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OUTPUT SPECIFICATIONS

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DC/DC CONVERTER
WIDE INPUT RANGE - 2:1
WKQ SERIES

Mechanical Characteristics

Length:50.8mm

Height: 11.0mm

Width: 50.8mm

Weight: 60.0g Typ

GENERAL SPECIFICATIONS

Operating Temperature
-40°C to +60°C
Isolation Resistance
109 ohms min
Storage Temperature
-55°C to +100°C
Isolation Capacitance
2500pF max
Case Temperature
+90°C max
Switching Frequency
250 KHz typ
Humidity
95% max
Case Material
Six-Side Shielded Case
Cooling
Free-Air Convection
Conducted Emissions
EN55022 Class A
Efficiency
88% min
Radiated Emissions
EN55022 Class A
Isolation Voltage
1500 VDC min
.
.

2:1 33W~40W OUTPUT 1500VDC Isolation

Model No

INPUT VOLTAGE
(DC)

OUTPUT VOLTAGE
(DC)

OUTPUT CURRENT
(mA)

INPUT CURRENT(mA)

EFF
(%)

ISOLATION
(VDC)

FULL LOAD

NO LOAD

WKQS-1203.3
9-18
3.3
10000
3125
200
88
1500
WKQS-1205
9-18
5
8000
3663
200
91
1500
WKQS-1212
9-18
12
3333
3623
200
92
1500
WKQS-1215
9-18
15
2667
3623
200
92
1500
WKQS-2403.3
18-36
3.3
10000
1545
100
89
1500
WKQS-2405
18-36
5
8000
1832
100
91
1500
WKQS-2412
18-36
12
3333
1812
100
92
1500
WKQS-2415
18-36
15
2667
1792
100
93
1500
WKQS-4803.3
36-72
3.3
10000
764
40
90
1500
WKQS-4805
36-72
5
8000
906
40
92
1500
WKQS-4812
36-72
12
3333
906
40
92
1500
WKQS-4815
36-72
15
2667
906
40
92
1500

ELECTRICAL SPECIFICATIONS

Input Voltage Range
2:1 Input Range
Line Regulation
+/-0.5% max
Input Filter
Pi Network
Load Regulation
+/-0.5% max
Protection
Fuse Recommended
Minimum Load
10% of Full Load
Voltage Setpoint Accuracy
+/-2% max
Short Circuit Protection
Continuous
Over Voltage Protection
Built-in
Short Circuit Restart
Automatic
Temperature Coefficient
+/-0.03%/°C
Over Load Protection
150% Typ
Ripple & Noise(20MHz BW)
100mVp-p max
Transient Response
500uS max
External Trim Adj. Range
+/-10%
. .
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MECHANICAL DIMENSIONS &
RECOMMENDED FOOTPRINT DETAILS

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SIMPLIFIED SCHEMATIC

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WG1-DIMENSIONS
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