Data Sheet

Input Current
- At no load
12 Vin models:
11 mA typ.
24 Vin models:
9 mA typ.
48 Vin models:
9 mA typ.
Surge Voltage
12 Vin models:
25 VDC max. (3 s max.)
24 Vin models:
50 VDC max. (3 s max.)
48 Vin models:
100 VDC max. (3 s max.)
Under Voltage Lockout
12 Vin models:
7.8 VDC min. / 8 VDC typ. / 8.6 VDC max.
24 Vin models:
15.8 VDC min. / 16 VDC typ. / 17.4 VDC max.
48 Vin models:
32 VDC min. / 33 VDC typ. / 34 VDC max.
Recommended Input Fuse
12 Vin models:
4'000 mA (slow blow)
24 Vin models:
2'000 mA (slow blow)
48 Vin models:
1'000 mA (slow blow)
Input Filter
Internal Pi-Type
Input Specifications
Output Voltage Adjustment
–10% to +20% (By external trim resistor) (15 &
24 VDC single output models)
±10% (By external trim resistor) (other single out-
put models)
See application note:
www.tracopower.com/overview/thm20
Output power must not exceed rated power!
Voltage Set Accuracy
±1% max.
Regulation
- Input Variation (Vmin - Vmax)
single output models:
0.2% max.
dual output models:
0.5% max.
- Load Variation (0 - 100%)
single output models:
0.2% max.
dual output models:
1% max. (Output 1)
1% max. (Output 2)
- Cross Regulation
(25% / 100% asym. load)
dual output models:
5% max.
Ripple and Noise
(20 MHz Bandwidth)
- single output
5 Vout models:
50 mVp-p typ. (with 10 µF X7R)
12 Vout models:
75 mVp-p typ. (with 10 µF X7R)
15 Vout models:
75 mVp-p typ. (with 10 µF X7R)
24 Vout models:
100 mVp-p typ. (with 4.7 µF X7R)
- dual output
5 / -5 Vout models:
50 / 50 mVp-p typ. (with 10 µF X7R)
12 / -12 Vout models:
75 / 75 mVp-p typ. (with 10 µF X7R)
15 / -15 Vout models:
75 / 75 mVp-p typ. (with 10 µF X7R)
Capacitive Load
- single output
5 Vout models:
5'000 µF max.
12 Vout models:
850 µF max.
15 Vout models:
700 µF max.
24 Vout models:
220 µF max.
- dual output
5 / -5 Vout models:
2'500 / 2'500 µF max.
12 / -12 Vout models:
500 / 500 µF max.
15 / -15 Vout models:
350 / 350 µF max.
Minimum Load
Not required
Temperature Coefficient
±0.02 %/K max.
Start-up Time
30 ms typ. / 60 ms max.
Short Circuit Protection
Continuous, Automatic recovery
Output Current Limitation
185% max. of Iout max.
150% typ. of Iout max.
Output Specifications
THM 20 Series, 20 Watt
All specifications valid at nominal voltage, full load and +25°C after warm-up time unless otherwise stated.
www.tracopower.com
October 14, 2019
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