DC/DC Converters
THN 30WI Series 30 Watt
Input Specifications
Input current at no load (at nominal input ꢁoltage)
24 Vin models: 10 mA typ.
48 Vin models: 8 mA typ.
Start-up voltage
24 Vin models: < 9.0 VDC
48 Vin models: < 18 VDC
Under voltage shut down (lock-out circuit)
Surge voltage (1 seꢀ. max.)
24 Vin models: 8.0 VDC typ.
48 Vin models: 16 VDC typ.
24 Vin models: 50 V max.
48 Vin models: 100 V max.
Reflected input ripple current
30 mAp-p typ.
Conducted noise (input)
EN 55032 class A and B (with exteꢂnal ꢀomponents)
– Filteꢂ pꢂoposal foꢂ ꢀompling to ꢀlass A/B
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ESD (eleꢀtꢂostatiꢀ disꢀhaꢂge)
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
EN 61000-4-4, 2 kV, perf. criteria A
EN 61000-4-5, 2 kV perf. criteria A
With exteꢂnal input ꢀapaꢀitoꢂ e.g. Nippon
ꢀhemi-ꢀon KY 220 µF, 100 V, ESR 48 mOhm
Conducted immunity
EN 61000-4-6, 10 Vrms, perf. criteria A
Recommended input fuse (slow blow)
24 Vin models: 6300 mA
48 Vin models: 3150 mA
Output Specifications
Voltage set accuracy
1 %
Output voltage adjustment range
5.0 Vout A1 models: –10 % to +20%
15 & 24 Vout models: –10 % to +20%
otheꢂ single output models: 10 %
– Foꢂ fuꢂtheꢂ infoꢂmation see appliꢀation note
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Regulation
– Input ꢁaꢂiation (Vmin – Vmax) single output models: 0.2 % max.
dual output models: 0.5 % max.
– Load ꢁaꢂiation (0 – 100 %)
single output models: 0.2 % max.
dual output models balanꢀed load: 1.0 % max.
dual output models unbalanꢀed load (25% /100%): 5.0 % max.
Minimum load
not required
Ripple and noise (measuꢂed with output ꢀapaꢀitoꢂ)
(20 MHz bandwidth)
3.3 & 5.0 Vout models: 75 mVp-p with (22µF/25V X7R 1812 MLCC)
12 & 15 Vout models: 75 mVp-p with (2x 22µF/25V X7R 1812 MLCC)
24 Vout models: 75 mVp-p with (2x 6.8µF/50V X7R 1812 MLCC)
dual output models: 60 mVp-p with (10µF/50V X7R 1812 MLCC)
Temperature coefficient
Output current limitation
Short circuit protection
Over voltage protection
0.02 %/K
at 170 % of Iout max.
hiccup, automatic recovery
3.3 Vout models: 3.7 – 5.4 VDC
5.0 Vout models: 5.6 – 7.0 VDC
5.0 Vout A1 models: 6.3 – 7.4 VDC
12 Vout models: 13.5 – 19.6 VDC
15 Vout models: 18.3 – 22.0 VDC
24 Vout models: 29.1 – 32.5 VDC
Start up time (nominal Vin and ꢀonstant ꢂesistiꢁe load)
30 ms max. (foꢂ poweꢂ on and ꢂemote on)
250 µs typ. (25% load step ꢀhange)
Transient response setting time
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