Datasheet
Input Current
- at no load
12 Vin models:
60 mA typ.
24 Vin models:
25 mA typ.
48 Vin models:
15 mA typ.
- at full load
12 Vin models:
300 mA typ.
24 Vin models:
150 mA typ.
48 Vin models:
75 mA typ.
Surge Voltage
12 Vin models:
25 VDC max. (1 s max.)
24 Vin models:
50 VDC max. (1 s max.)
48 Vin models:
100 VDC max. (1 s max.)
Under Voltage Lockout
12 Vin models:
4 VDC max.
24 Vin models:
8 VDC max.
48 Vin models:
16 VDC max.
Recommended Input Fuse
12 Vin models:
1500 mA (slow blow)
24 Vin models:
700 mA (slow blow)
48 Vin models:
350 mA (slow blow)
Input Filter
Internal Capacitor
Short Circuit Input Power
2.5 W max.
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 (25 - 100%)
single output models:
1% max.
dual output models:
1% max. (Output 1)
1% max. (Output 2)
- Cross Regulation
(symmetrical load)
dual output models:
2% max.
Ripple and Noise
- 20 MHz Bandwidth
75 mVp-p max.
Capacitive Load
- single output
3.3 Vout models:
1'760 µF max.
5 Vout models:
1'000 µF max.
12 Vout models:
170 µF max.
15 Vout models:
110 µF max.
- dual output
5 / -5 Vout models:
470 / 470 µF max.
12 / -12 Vout models:
100 / 100 µF max.
15 / -15 Vout models:
47 / 47 µF max.
Minimum Load
25 % of Iout max.
(Operation at lower load condition is safe but a
higher output ripple will be experienced)
Temperature Coefficient
±0.02 %/K max.
Short Circuit Protection
Automatic recovery
Overload Protection
Foldback Mode
Output Current Limitation
110% min. of Iout max.
140% typ. of Iout max.
Transient Response
- Response Deviation
5% max. (25% Load Step)
- Response Time
300 µs typ. / 500 µs max. (25% Load Step)
Output Specifications
Safety Standards
- IT / Multimedia Equipment
IEC 60950-1
EN 60950-1
UL 60950-1
CSA-C22.2, No 60950-1
- Certification Documents
www.tracopower.com/overview/tmr3wie
Safety Specifications
TMR 3WIE Series, 3 Watt
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
www.tracopower.com
June 3, 2019
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