WRA-ZD-8W＆WRB-ZD -8W Series
Input Specifications
Input current (no load)
9–36 Vin, 3.3 VDC & 5 VDC models:
40 mA typ.
9–36 Vin other models:
18–75 Vin, 3.3 VDC & 5 VDC models:
18–75 Vin other models:
25 mA typ.
20 mA typ.
13 mA typ.
43–160 Vin, 3.3 VDC & 5 VDC models:
43–160 Vin other models:
9–36 Vin models:
8 mA typ.
5 mA typ.
Input current (full load)
410 mA typ
18–75 Vin models:
210 mA typ
43–160 Vin models:
90 mA typ.
Input voltage variation (dv/dt)
Start-up voltage
5 V/ms, max.
(complies with ETS300 132 part 4.4)
9.0 VDC (or lower)
18 VDC (or lower)
43 VDC (or lower)
8.0 VDC typ.
16 VDC typ.
9–36 Vin models:
18–75 Vin models:
43–160 Vin models:
9–36 Vin models:
18–75 Vin models:
43–160 Vin models:
9–36 Vin models:
18–75 Vin models:
43–160 Vin models:
Under voltage shut down (lock-out circuit)
Surge voltage (100 msec. max.)
42 VDC typ.
50 V max.
100 V max.
170 V max.
Reflected ripple current
Conducted noise
20 mAp-p typ.
EN 55022 class A with external components
see application note:
ESD (electrostatic discharge)
Radiated immunity
EN 61000-4-2, air ±8 kV, contact ±6 kV,perf. criteria A
EN 61000-4-3, 20 V/m, perf. criteria A
Fast transient / surge (with external input
EN 61000-4-4, ±2 kV, perf. criteria A
EN 61000-4-5, ±2 kV perf. criteria A
capacitor)
– external input capacitor
24/48 Vin models:
110 Vin models:
Nippon chemi-con KY 220 µF, 100 V, ESR 48 mOhm
Nippon chemi-con KX J 150 µF, 200 V, ESR 48 mOhm
EN 61000-4-6, 10 Vrms, perf. criteria A
Conducted immunity
Output Specifications
Voltage set accuracy
±1 %
Regulation
– Input variation Vin min. to Vin max.
single output models:
0.2 % max.
0.5 % max.
1 % max.
– Load variation 0 – 100 %
dual output models:
– Load cross variation 25 % / 100 %
5 % max.
Minimum load
not required
±0.02 %/K
Temperature coefficient
Ripple and noise (20 MHz bandwidth)
24/48 Vin models:
110 Vin models:
50 mVp-p typ.
75 mVp-p typ.
450 ms typ.
5 ms typ.
Start up time
– Power On
(constant resistive load)
– Remote On
Transient Response(25% load step change)
Short circuit protection
250 µs typ.
indefinite (automatic recovery)
150 % of Iout max. typ.
3.9 V
Over load protection
Over voltage protection(only single output models)
3.3 V output:
5 V output:
6.2 V
12 V output:
15 V
15 V output:
18 V
Capacitive load
3.3 VDC & 5 VDC models:
12 VDC models:
15 VDC models:
±5 VDC models:
±12 VDC models:
±15 VDC models:
1330 µF
288 µF
200 µF
900 µF (each output)
133 µF (each output)
90 µF (each output)
TEMPERATURE CHARACTERISTICS
TYPICAL CHARACTERISTICS
http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
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