TDK-Lambda DTM70 Series User manual

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
N
+
+
-
-
Output
Over-
Voltage
Protection
Power
Converter Output
Filter
Output
Power
Manager
Input Fuses
Input Filter
Input Rectifier
Inrush Limiter
L
DC-OK
LED
3
4
1
2
N
Functional diagram DTM70
+
+
-
-
Output
Over-
Voltage
Protection
Power
Converter Output
Filter
Output
Power
Manager
Input Fuses
Input Filter
Input Rectifier
Inrush Limiter
L
DC-OK
LED
3
4
1
2
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
70
= 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
C8 = 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.
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.
Nom.
Nom.
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.
Nom.
Nom.
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.
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.
Max.
Max.
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.
Typ.
Typ.
Typ.
Typ.
89.0%
89.0%
89.0%
90.0%
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.
Max.
Max.
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
Criterion A
Electromagnetic RF field EN 61000-4-3 80MHz - 1GHz
1GHz – 2.7GHz
2.7GHz - 6GHz
10V/m (level 3)
10V/m (level 3)
10V/m (level 3)
Criterion A
Criterion A
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)
±2kV (level 3)
Criterion A
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
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 A
Criterion B
Criterion A
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
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
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
1800mm
Wire Size
16AWG
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