Datasheet

Input Current
- At no load
24 Vin models:
20 mA typ.
48 Vin models:
10 mA typ.
- At full load
24 Vin models:
202 mA typ.
48 Vin models:
102 mA typ.
Surge Voltage
24 Vin models:
50 VDC max. (1 s max.)
48 Vin models:
100 VDC max. (1 s max.)
Recommended Input Fuse
(The need of an external fuse has to be assessed
in the final application.)
Input Filter
Internal Capacitor
Input Specifications
Voltage Set Accuracy
±1% max.
Regulation
- Input Variation (Vmin - Vmax)
single output models:
0.5% max.
dual output models:
0.5% max.
- Load Variation (0 - 100%)
single output models:
1% max.
dual output models:
1% max. (Output 1)
1% max. (Output 2)
- Voltage Balance
(symmetrical load)
dual output models:
2% max.
- Cross Regulation
(25% / 100% asym. load)
dual output models:
5% max.
Ripple and Noise
- 20 MHz Bandwidth
80 mVp-p max.
Capacitive Load
- single output
5 Vout models:
1'800 µF max.
12 Vout models:
1'000 µF max.
15 Vout models:
820 µF max.
24 Vout models:
470 µF max.
- dual output
12 / -12 Vout models:
560 / 560 µF max.
15 / -15 Vout models:
390 / 390 µF max.
Minimum Load
Not required
Temperature Coefficient
±0.02 %/K max.
Start-up Time
30 ms typ.
Short Circuit Protection
Continuous, Automatic recovery
Overload Protection
Foldback Mode
Output Current Limitation
160% typ. of Iout max.
Transient Response
- Response Deviation
3% typ. / 5% max. (25% Load Step)
- Response Time
250 µs typ. (25% Load Step)
Output Specifications
Safety Standards
- IT / Multimedia Equipment
EN 62368-1
IEC 62368-1
UL 62368-1
- Certification Documents
www.tracopower.com/overview/tmr4wi
Pollution Degree
PD 3
Safety Specifications
EMI Emissions
- Conducted Emissions
EN 55032 class A (with external filter)
EN 55032 class B (with external filter)
FCC Part 15 class A (with external filter)
FCC Part 15 class B (with external filter)
- Radiated Emissions
EN 55032 class A (with external filter)
EN 55032 class B (with external filter)
FCC Part 15 class A (with external filter)
FCC Part 15 class B (with external filter)
External filter proposal:
www.tracopower.com/overview/tmr4wi
EMC Specifications
TMR 4WI Series, 4 Watt
All specifications valid at nominal voltage, resistive full load and +25°C after warm-up time, unless otherwise stated.
www.tracopower.com September 20, 2023
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