DC/DC Converters
THM 6WI Series
6 Watt
Input Specifications
Input current at no load
5 Vin models: 20 mA typ.
24 Vin models: 6 mA typ.
48 Vin models: 4 mA typ.
Start-up voltage / under voltage shut down
5 Vin models: 4.5 VDC / 4.0 VDC typ.
24 Vin models: 9.0 VDC / 8.0 VDC typ.
48 Vin models: 18 VDC / 16 VDC typ.
Surge voltage (1 sec. max.)
5 Vin models: 16 VDC max.
24 Vin models: 50 VDC max.
48 Vin models: 100 VDC max.
Conducted noise
EN 55022 class A, without external components
ESD (electrostatic discharge)
EN 61000-4-2, air 8 kV, contact 6 kV,
perf. criteria A
Radiated immunity
EN 61000-4-3, 10 V/m, perf. criteria A
Fast transient / surge (with external input capacitor / diode)
EN 61000-4-4, 2 kV, perf. criteria A
EN 61000-4-5, 2 kV perf. criteria A
– external input capacitor:
5 Vin models: Nippon chemi-con KY 1000 µF/25 V and
reverse diode (Vishay V10P45) in parallel
24 Vin models: Nippon chemi-con KY 470 µF/ 50 V
48 Vin models: Nippon chemi-con KY 330 µF/ 100 V
Conducted immunity
EN 61000-4-6, 10 V, perf. criteria A
External input fuse required (recommended values, slow blow type) 5 Vin models: 5 A
24 Vin models: 2.5 A
48 Vin models: 1.5 A
Output Specifications
Voltage set accuracy
1.0 % max.
Regulation
– Input variation
single output models 0.2 % max.
dual output models 0.5 % max.
single output models: 0.2 % max..
– Load variation 0 – 100 %:
dual output models balanced load: 1.0 % max.
dual output models unbalanced load: 5.0 % max.
Minimum load
not required
30 mS
Start up time
Ripple and noise (20 MHz Bandwidth)
3.3 & 5.0 VDC models: 30 mVp-p typ. with cap. 10µF/25V X7R MLCC
12 & 15 VDC models: 40 mVp-p typ. with cap. 10µF/25V X7R MLCC
24 VDC models: 50 mVp-p typ. with cap. 4.7µF/50V X7R MLCC
Transient response (25% load step change)
Current limitation
250 µs typ.
150 % Iout nominal typ. (hiccup mode)
continuous (automatic recovery)
Short circuit protection
Over voltage protection
3.3 VDC output models: 3.7 – 5.4 VDC
5 VDC output models: 5.6 – 7.0 VDC
12 VDC output models: 13.5 – 19.6 VDC
15 VDC output models: 18.3 – 22.0 VDC
24 VDC output models: 29.1 – 32.5 VDC
Capacitive load
3.3 VDC output models: 2100 µF max.
5 VDC output models: 1500 µF max.
12 VDC output models: 260 µF max.
15 VDC output models: 210 µF max.
24 VDC output models: 75 µF max.
5 VDC output models: 860 µF max. (each output)
12 VDC output models: 150 µF max. (each output)
15 VDC output models: 100 µF max. (each output)
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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