TDK-Lambda DTM70 Series Manuale utente

DTM70, DTM70-C8 Manual

External AC-DC Power Adapters, 70W

DTM70 Series (Class I)

DTM70-C8 Series (Class II)

Instruction and Application Manual

Content:

1. Product Description.............................................2

2. Product Features .................................................2

3. Intended Use .......................................................3

4. Installation Instructions ......................................3

5. Recycling and Disposal Information...................4

6. Functional Description ........................................4

7. Functional Diagram.............................................4

8. Product Nomenclature and List of Models ........5

9. Short-form Data ..................................................6

10. Efficiency Curves..................................................7

11. EMC......................................................................8

12. Physical Dimensions, Weight and Connectors ...9

13. Environment......................................................10

14. Isolation and Dielectric Strength......................11

15. Safety and Protection Features ........................11

16. Approvals and Regulatory Compliances ..........12

17. Packaging Information .....................................13

All parameters are typical values specified at nominal input voltage, nominal output load, 25°C ambient and after a 5 minutes run-in time unless

otherwise noted. The information presented in this document is believed to be accurate and reliable and may change without notice.

For additional information, please visit https://product.tdk.com/en/power/dtm 1/13

DOC-ID: 260932 – Issue 1

DTM70, DTM70-C8 Manual

External AC-DC Power Adapters, 70W

1. PRODUCT DESCRIPTION

With the two series DTM70 and DTM70-C8 TDK-Lambda offers compact 70W medical AC-DC power adapters.

Both, the DTM70 as a Class I version with protective earth on the input and the DTM70-C8 as Class II version

with double insulated protection uses a robust desktop housing with the dimensions of only 120 x 52 x

31mm. Both series are members of the DTM family, whose devices are available in various power classes

between 36W and 300W.

The two power adapter series are suitable for 2MOPP medical as well as for general industrial applications.

The DTM70-C8 also has an IEC 60601-1-11 approval, making it ideal for medical, clinical and home

healthcare applications.

All devices are approved for installation altitudes up to 5000m and EMC is tested according to IEC/EN 60601-

1-2 Ed 4.

Both series are available with 12V, 15V, 18V, 24V, 36V and 48V output voltage.

Due to the high efficiencies and the low no-load losses, the devices are compliant with EU Regulation

2019/1782 (Ecodesign requirements for external power supplies) and the US DoE Level VI specification.

Special features are the compact design, achieved by the high efficiency and the standard locking DIN output

connector, which prevents unintentional output voltage disconnection. Other connector versions and cable

assemblies are available on request.

Safety is assured by IEC/UL/CSA/EN 60601-1 and EN 62368-1. CE and UKCA markings confirm compliance

with the low voltage, EMC and RoHS directives.

2. PRODUCT FEATURES

- Small in size, only 120 x 52 x 31mm

- Protection Class I for DTM70 and Class II for DTM70-C8

- IEC/UL/EN 60601-1 - 2MOPP approved

- 4400Vac Input to output isolation

- IEC/EN 60601-1-2 Ed 4 (EMC) tested

- IEC/EN 60601-1-11 home healthcare approval for DTM70-C8

- IEC/BS/EN 62368-1 (I.C.T.) compliant

- Temperature range -30 to +60°C (with derating)

- AC 100-240V universal input voltage

- Locking output connector

- Operating altitude up to 5000m

- High efficiencies up to 91%

- Low no-load power consumption <150mW

- Compliant with EU Regulation 2019/1782 (ecodesign for external power supplies)

- Meets US DoE Level VI specifications

All parameters are typical values specified at nominal input voltage, nominal output load, 25°C ambient and after a 5 minutes run-in time unless

otherwise noted. The information presented in this document is believed to be accurate and reliable and may change without notice.

For additional information, please visit https://product.tdk.com/en/power/dtm 2/13

DOC-ID: 260932 – Issue 1

DTM70, DTM70-C8 Manual

External AC-DC Power Adapters, 70W

All parameters are typical values specified at nominal input voltage, nominal output load, 25°C ambient and after a 5 minutes run-in time unless

otherwise noted. The information presented in this document is believed to be accurate and reliable and may change without notice.

For additional information, please visit https://product.tdk.com/en/power/dtm 3/13

DOC-ID: 260932 – Issue 1

3. INTENDED USE

This power supply is designed for commercial use, such as in industrial control, process control, monitoring

and measurement equipment or the like. It also fulfills requirements according to the medical device

standard and can be used to supply certain medical devices, where this power supply is approved as part of

the medical end device. Please note that compliance with the European Medical Device Directive is the

responsibility of the end device manufacturer.

Do not use this device in equipment, where malfunctioning may cause severe personal injury or threaten

human life without additional appropriate safety measures, that are suited for the end-application.

Do not use this device as critical component in nuclear control systems, life support systems or equipment for

use in hazardous environments without the express written approval of TDK-Lambda.

If this device is used in a manner outside of its specification, the protection provided by the device may be

impaired.

The device is designed for pollution degree 2 areas or for use in controlled environments.

The device is designed for altitudes up to 5000m (16400ft).

The device is designed to operate in areas with a maximum relative humidity of 93%.

4. INSTALLATION INSTRUCTIONS

Before operating this device, please read this manual thoroughly and retain this manual for future reference!

Regardless of the place of purchase, this device must only be installed and put into operation by qualified

personnel.

If damage or malfunction should occur during installation or operation, immediately turn power off and send

unit to the factory or an authorized agent for inspection.

Before putting the unit into operation, check for external visible damage or noises caused by loose parts. In

such cases, do not connect the device to the power source.

WARNING Risk of electrical shock, fire, personal injury or death.

Turn power off before working on the device. Protect against inadvertent re-powering.

Do not open, modify or repair the device. This device does not contain serviceable parts.

This device does not contain serviceable parts. Replace fuses only when explicitly permitted.

Use caution to prevent any foreign objects from entering the housing.

Do not use or store this product in environments with strong electromagnetic fields, flammable gas or

ignitable substances, corrosive gases, floating conductive particles, direct sunlight, or in wet locations or

areas where moisture, condensation or frost can be expected.

Do not touch during power-on, and immediately after power-off. Hot surfaces may cause burns.

Make sure that the wiring is correct by following all local and national codes.

Do not apply return voltages from the load to the output terminals.

Do not connect the outputs of multiple devices in parallel for higher output currents or in series for higher

output voltages.

Do not connect batteries for charging purposes to the output of the device.

DTM70, DTM70-C8 Manual

External AC-DC Power Adapters, 70W

All parameters are typical values specified at nominal input voltage, nominal output load, 25°C ambient and after a 5 minutes run-in time unless

otherwise noted. The information presented in this document is believed to be accurate and reliable and may change without notice.

For additional information, please visit https://product.tdk.com/en/power/dtm 4/13

DOC-ID: 260932 – Issue 1

5. RECYCLING AND DISPOSAL INFORMATION

The device may not be disposed of as domestic refuse.

Packaging and packaging aids must be recycled or disposed in accordance with local regulations.

6. FUNCTIONAL DESCRIPTION

The output is electronically protected against no-load, overload and short circuit. In case of an overload or

short circuit, the device will operate intermittently (hiccup mode).

The device can supply resistive and inductive loads.

Avoid loads with large input capacitances. If the capacitive load is higher than the values specified, the device

operates in an intermittent mode (hiccup mode). See short-form data table for maximum values.

The output voltage is fixed and can not be adjusted.

The device is equipped with an over-temperature protection. In case of a high temperature, the output shuts

down and starts automatically after cooling off.

The device is equipped with an input under-voltage protection. If the input voltage is too low, the device does

not start or switches off.

In case of an internal defect, a redundant circuit prevents the output voltage from becoming excessive or

dangerous.

The device is equipped with a green DC-OK LED, which is visible from the outside of the device.

7. FUNCTIONAL DIAGRAM

Output

Over-

Voltage

Protection

Power

Converter Output

Filter

Output

Power

Manager

Input Fuses

Input Filter

Input Rectifier

Inrush Limiter

DC-OK

LED

Functional diagram DTM70

Output

Over-

Voltage

Protection

Power

Converter Output

Filter

Output

Power

Manager

Input Fuses

Input Filter

Input Rectifier

Inrush Limiter

DC-OK

LED

Functional diagram DTM70-C8

DTM70, DTM70-C8 Manual

External AC-DC Power Adapters, 70W

8. PRODUCT NOMENCLATURE AND LIST OF MODELS

Product Nomenclature:

DTM 70 CN XXX YY

Family Name

DTM

Power Class

= 70W

Place of

Manufactoring

(Code)

Output Voltage

120

= 12V

150

= 15V

180

= 18V

240

= 24V

360

= 36V

480

= 48V

CLASS I / II

Blank

= Class I

= Class II

Model list:

DTM70CN120 External Adapter Power Supply, Class I: 70W, 12V 5.8A

DTM70CN150 External Adapter Power Supply, Class I: 70W, 15V 4.65A

DTM70CN180 External Adapter Power Supply, Class I: 70W, 18V 3.9A

DTM70CN240 External Adapter Power Supply, Class I: 70W, 24V 3.0A

DTM70CN360 External Adapter Power Supply, Class I: 70W, 36V 1.9A

DTM70CN480 External Adapter Power Supply, Class I: 70W, 48V 1.5A

DTM70CN120C8 External Adapter Power Supply, Class II: 70W, 12V 5.8A

DTM70CN150C8 External Adapter Power Supply, Class II: 70W, 15V 4.65A

DTM70CN180C8 External Adapter Power Supply, Class II: 70W, 18V 3.9A

DTM70CN240C8 External Adapter Power Supply, Class II: 70W, 24V 3.0A

DTM70CN360C8 External Adapter Power Supply, Class II: 70W, 36V 1.9A

DTM70CN480C8 External Adapter Power Supply, Class II: 70W, 48V 1.5A

All parameters are typical values specified at nominal input voltage, nominal output load, 25°C ambient and after a 5 minutes run-in time unless

otherwise noted. The information presented in this document is believed to be accurate and reliable and may change without notice.

For additional information, please visit https://product.tdk.com/en/power/dtm 5/13

DOC-ID: 260932 – Issue 1

DTM70, DTM70-C8 Manual

External AC-DC Power Adapters, 70W

9. SHORT-FORM DATA

Input voltage Nom. AC 100-240V

Input voltage range 80 – 264Vac Reduce output power linearly to 80% load

from 90Vac to 80Vac input

(Note: Safety certified for 90-264Vac only)

Input voltage frequency range 47 – 63Hz

Input current Max. 1.5A At 100Vac input, nominal load

Input inrush current Max. 100A At 240Vac input, cold start, 25°C ambient

Input power at no load Max. 150mW For all models

Power Factor Typ.

Typ.

0.58

0.54

0.46

At 100Vac input, 50Hz, nominal load

At 120Vac input, 60Hz, nominal load

At 230Vac input, 50Hz, nominal load

Output power Nom. 70W For all models

Output voltage setpoint Nom.

Nom.

12V ±2% (11.76–12.24V)

15V ±2% (14.70–15.30V)

18V ±2% (17.64–18.36V)

24V ±2% (23.52–24.48V)

36V ±2% (35.28–36.72V)

48V ±2% (47.04–48.96V)

For DTM70CN120, DTM70CN120C8

For DTM70CN150, DTM70CN150C8

For DTM70CN180, DTM70CN180C8

For DTM70CN240, DTM70CN240C8

For DTM70CN360, DTM70CN360C8

For DTM70CN480, DTM70CN480C8

At 115/230Vac, 60% load and 25°C ambient

Output voltage is not adjustable

Output current Nom.

Nom.

5.8A

4.65A

3.9A

3.0A

1.9A

1.5A

For DTM70CN120, DTM70CN120C8

For DTM70CN150, DTM70CN150C8

For DTM70CN180, DTM70CN180C8

For DTM70CN240, DTM70CN240C8

For DTM70CN360, DTM70CN360C8

For DTM70CN480, DTM70CN480C8

At 115/230Vac and 25°C ambient

Line regulation Max. ±1% Between 90 and 264Vac

Load regulation Max.

Max.

±5%

±3%

±2%

For DTM70CN120, DTM70CN120C8

For DTM70CN150, DTM70CN150C8

For all remaining models

For 60% ±40% load steps

Ripple and noise voltage Max.

Max.

120mVp-p

150mVp-p

180mVp-p

240mVp-p

360mVp-p

480mVp-p

For DTM70CN120, DTM70CN120C8

For DTM70CN150, DTM70CN150C8

For DTM70CN180, DTM70CN180C8

For DTM70CN240, DTM70CN240C8

For DTM70CN360, DTM70CN360C8

For DTM70CN480, DTM70CN480C8

Bandwidth 20MHz, 25degC ambient, 100nF

ceramic capacitors and 10uF aluminium

capacitor to output

Efficiency Typ.

Typ.

89.0%

90.0%

91.0%

For DTM70CN120, DTM70CN120C8

For DTM70CN150, DTM70CN150C8

For DTM70CN180, DTM70CN180C8

For DTM70CN240, DTM70CN240C8

For DTM70CN360, DTM70CN360C8

For DTM70CN480, DTM70CN480C8

At 230Vac, 75% load and 25degC ambient

Load capacitance Max.

Max.

5800µF

4650µF

3900µF

3000µF

1900µF

1500µF

For DTM70CN120, DTM70CN120C8

For DTM70CN150, DTM70CN150C8

For DTM70CN180, DTM70CN180C8

For DTM70CN240, DTM70CN240C8

For DTM70CN360, DTM70CN360C8

For DTM70CN480, DTM70CN480C8

At 115/230Vac, nominal load and 25degC

ambient. At larger capacitive load, the

device operates in an intermittent mode.

All parameters are typical values specified at nominal input voltage, nominal output load, 25°C ambient and after a 5 minutes run-in time unless

otherwise noted. The information presented in this document is believed to be accurate and reliable and may change without notice.

For additional information, please visit https://product.tdk.com/en/power/dtm 6/13

DOC-ID: 260932 – Issue 1

DTM70, DTM70-C8 Manual

External AC-DC Power Adapters, 70W

Hold-up time Min.

Typ. 8ms

10ms For all models at 115Vac input voltage

Operational temperature range -30°C to +60°C For derating see chapter “Environment”

Storage temperature rang -40°C to +85°C

Size 120 x 52 x 31mm

(4.72 x 2.05 x 1.22”) Length x Width x Height

Weight 300g (0.66lb) Without input cable

MTBF Min. 500 000h Acc. to MIL HDBK 217F at full load, GB25°C

Warranty 3 years

10.EFFICIENCY CURVES

DTM70CN120, DTM70CN120C8:

Efficiency vs. output load DTM70CN150, DTM70CN150C8:

Efficiency vs. output load

DTM70CN180, DTM70CN180C8:

Efficiency vs. output load DTM70CN240, DTM70CN240C8:

Efficiency vs. output load

DTM70CN360, DTM70CN360C8:

Efficiency vs. output load DTM70CN480, DTM70CN480C8:

Efficiency vs. output load

All parameters are typical values specified at nominal input voltage, nominal output load, 25°C ambient and after a 5 minutes run-in time unless

otherwise noted. The information presented in this document is believed to be accurate and reliable and may change without notice.

For additional information, please visit https://product.tdk.com/en/power/dtm 7/13

DOC-ID: 260932 – Issue 1

DTM70, DTM70-C8 Manual

External AC-DC Power Adapters, 70W

11.EMC

The EMC behavior of the device is designed for applications in industrial environment as well as in residential,

commercial and light industry environments.

The device is investigated according to EN 61000-6-1, EN 61000-6-2, EN 61000-6-3, EN 61000-6-4 and EN

60601-1-2.

EMC Immunity

Electrostatic discharge EN 61000-4-2 Contact discharge

- input, output, case

Air discharge

- input, output, case

±8kV (level 4)

±15kV (level 4)

Criterion A

Electromagnetic RF field EN 61000-4-3 80MHz - 1GHz

1GHz – 2.7GHz

2.7GHz - 6GHz

10V/m (level 3)

Criterion A

EN 60601-1-2 380MHz to 5.8GHz

(Spot frequencies) 9-28V/m

as per table 9 in standard Criterion A

Fast transients (Burst) EN 61000-4-4

Input lines:

Output lines

±2kV (level 3)

Criterion A

Surge voltage EN 61000-4-5 Input lines:

L ÆN

L ÆPE 1), N ÆPE 1)

±1kV (level 3)

±2kV (level 3)

Criterion A

Conducted disturbance EN 61000-4-6 0.15-80MHz

- input, output

10V (level 3)

Criterion A

Power frequency magnetic

field EN 61000-4-8 Applied to enclosure 30A/m continuous

300A/m up to 3s Criterion A

Criterion A

Mains voltage dips EN 61000-4-11,

EN 60601-1-2 AC 100V 0Vac, ½ cycle (class 3)

0Vac, 1 cycle (class 3)

40Vac, 10/12 cycles (class 3)

70Vac, 25/30 cycles (class 3)

80Vac, 250/300 cycles (class 3)

Criterion A

Criterion B

Criterion A

Voltage interruptions EN 61000-4-11,

EN 60601-1-2 AC 100/120/230Vac 0Vac, 250/300 cycles (class 3) Criterion B

1) For DTM70 Class I versions only

Performance criterions:

A: Unit remains within main specification throughout testing, signals remains correct and output voltage fluctuation is less than ±5%.

B: Unit performance drops below specification during testing, but recovers after the test without user intervention

C: Unit performance drops below specification during testing, and requires user intervention to recover

EMC Emission

Conducted emission

input lines EN 55011

EN 55032

FCC 47 CFR Ch1. Part 18.309(b)

Class B

N/A

Group 1

Not registered but tested

Radiated emission EN 55011

EN 55032

FCC 47 CFR Ch1. Part 18.305

Class B

N/A

Group 1

Not registered but tested

Harmonic input current EN 61000-3-2 Fulfilled For class A equipment

Voltage fluctuations, flicker EN 61000-3-3 Fulfilled dmax only, other aspects

require test at system level

Switching Frequency

Main converter Typ. 65kHz Constant switching frequency

All parameters are typical values specified at nominal input voltage, nominal output load, 25°C ambient and after a 5 minutes run-in time unless

otherwise noted. The information presented in this document is believed to be accurate and reliable and may change without notice.

For additional information, please visit https://product.tdk.com/en/power/dtm 8/13

DOC-ID: 260932 – Issue 1

DTM70, DTM70-C8 Manual

External AC-DC Power Adapters, 70W

12.PHYSICAL DIMENSIONS,WEIGHT AND CONNECTORS

Length 120mm (4.72’’)

Width 52mm (2.05’’)

Height 31mm (1.22’’)

Weight 300g (0.66lb)

Case material Polycarbonate

DTM70:

DTM70-C8:

All dimensions in mm A

1220mm

1800mm

Wire Size

16AWG

18AWG

For models

12V and 15V

18V

24V, 36V and 48V

Output Connector

Kycon KPPx-4P

(or equivalent)

P1, P2: -Vout

P3, P4: +Vout

Alternative output connectors are available

Please contact sales for further information (minimum quantities apply)

All parameters are typical values specified at nominal input voltage, nominal output load, 25°C ambient and after a 5 minutes run-in time unless

otherwise noted. The information presented in this document is believed to be accurate and reliable and may change without notice.

For additional information, please visit https://product.tdk.com/en/power/dtm 9/13

DOC-ID: 260932 – Issue 1

DTM70, DTM70-C8 Manual

External AC-DC Power Adapters, 70W

13.ENVIRONMENT

Operational temperature -30°C to +60°C

(-22°F to 140°F) Operational temperature is the ambient or surrounding

temperature of the device

Storage temperature -40°C to +85°C

(-40°F to 185°F) For storage and transportation

Output de-rating 1.75W/°C Between +40°C and +60°C

The de-rating is not hardware controlled. The user has to take this into consideration to stay

below the de-rated current limits in order not to overload the unit.

Humidity Max 93% r.h. According to IEC 60068-2-30

Atmospheric pressure 110-54kPa

Altitude Up to 5000m (16 400ft)

Over-voltage category II According to IEC 60664-1

Degree of pollution 2 According to IEC 62477-1, not conductive

Vibration sinusoidal 4g

15-2000Hz

60 minutes per axis

According MIL-STD-810F Table 514.5C-VIII,

sinusoidal vibration,

units are operational

Shock 75 g, 10 ms

18 shocks

3 shocks for each ±axis

According MIL-STD-810F Table 516.5-I

units are operational

Allowed output load vs. ambient temp.

Allowed Output Load

0-30 60°C

70W

Ambient Temperature

400

Input voltage 90-264Vac

35W

All parameters are typical values specified at nominal input voltage, nominal output load, 25°C ambient and after a 5 minutes run-in time unless

otherwise noted. The information presented in this document is believed to be accurate and reliable and may change without notice.

For additional information, please visit https://product.tdk.com/en/power/dtm 10/13

DOC-ID: 260932 – Issue 1

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