DC/DC Converter
A_S-1WR2 & B_LS-1WR2 Series
Output Short Circuit Protection**
A24xxS-1WR2 /B24xxLS-1WR2
A0524S-1WR2/B0524LS-1WR2
others
--
--
1
s
Continuous, self-recovery
Note: * Ripple and noise tested with “parallel cable” method, please see DC-DC Converter Application Notes for specific operation methods.
**Supply voltage must be discontinued at the end of short circuit duration for A24xxS-1WR2 /B24xxLS-1WR2 series, and A0524S-1WR2/ B0524LS-1WR2
models.
General Specifications
Item
Insulation Voltage
Insulation Resistance
Isolation Capacitance
Operating Temperature
Storage Temperature
Casing Temperature Rise
Pin Welding Resistance Temperature
Storage Humidity
Switching Frequency
MTBF
Ta=25℃
Welding spot is 1.5mm away from the casing, 10 seconds
Non-condensing
100% load, nominal input voltage
MIL-HDFK-217F@25℃
Operating Conditions
Input-output, with the test time of 1 minute and the leak
current lower than 1mA
Input-output, insulation voltage 500VDC
Input-output, 100KHz/0.1V
Derating if the temperature
≥85°C,
(see Fig. 2)
Min.
1500
1000
--
-40
-55
--
--
--
--
3500
Typ.
--
--
20
--
--
25
--
--
100
--
Max.
--
--
--
105
125
--
300
95
--
--
%RH
KHz
K hours
℃
Unit
VDC
MΩ
pF
Physical Specifications
Casing Material
Package Dimensions
Weight
Cooling methods
Black flame-retardant heat-proof epoxy resin (UL94-V0)
19.50*9.30*6.00 mm
2.4g(Typ.)
Free air convection
EMC Specifications
EMI
EMS
Conducted disturbance
Radiated emission
Electrostatic discharge
A_S-1WR2
B_LS-1WR2
CISPR22/EN55022 CLASS B (see Fig. 4 for recommended circuit)
CISPR22/EN55022 CLASS B (see Fig. 4 for recommended circuit)
IEC/EN61000-4-2
IEC/EN61000-4-2
Contact ±6KV
Contact ±8KV
perf. Criteria B
perf. Criteria B
Product Characteristic Curve
3.3VDC output
Output Voltage
Accuracy
+10%
+5%
0
-5%
-10%
-15%
10% 20%
40%
60%
80%
Other output
+15%
Tolerance Envelope Cur ve
Max .
+1.0%
Output Voltage
Accuracy
Tolerance Envelope Cur ve
+10%
+5%
0
-5%
-10%
10% 20%
40%
Max .
Ty p
.
M i n.
+2.5%
-2.5%
-7.5%
Ty p
.
-7.5%
M i n.
-15%
100%
60%
80%
100%
Output Current Percentage
(Nominal Input Voltage)
Output Current Percent
(Nominal Input Voltage)
Fig. 1
2016.02.17-B/1
Page 3 of 5
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