OUTPUT SPECIFICATIONS
DC/DC CONVERTER
WIDE INPUT RANGE - 2:1
WKH SERIES
|
Mechanical Characteristics |
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|---|---|
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Length:50.8mm |
Height: 11.0mm |
|
Width: 50.8mm |
Weight: 60.0g Typ |
|
GENERAL SPECIFICATIONS |
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|---|---|---|---|
| Operating Temperature | -40°C to +55°C |
Isolation Resistance | 109 ohms min |
| Case Temperature | +100°C max |
Isolation Capacitance | 2500pF max |
| Storage Temperature | -55°C to +100°C |
Switching Frequency | 250 KHz min |
| Humidity | 95% max |
Case Material | Six-Sided Shield Case |
| Cooling | Free-Air Convection |
Potting Material | Epoxy(UL94-V0) |
| Efficiency | 92% typ |
Conducted Emissions | EN55022 Class A |
| Isolation Voltage | 1500 VDC min |
Radiated Emissions | EN55022 Class A |
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2:1 60W SINGLE OUTPUT |
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|---|---|---|---|---|---|---|---|
|
Model No |
INPUT VOLTAGE |
OUTPUT VOLTAGE |
OUTPUT CURRENT |
INPUT CURRENT(mA) |
EFF |
CAPACITOR |
|
|
FULL LOAD |
NO LOAD |
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WHKS-1203.3 |
9-18 |
3.3 |
14000 |
4231 |
160 |
91 |
1000uF |
WHKS-1205 |
9-18 |
5 |
12000 |
5505 |
160 |
91 |
1000uF |
WHKS-1212 |
9-18 |
12 |
5000 |
5430 |
160 |
92 |
220uF |
WHKS-1215 |
9-18 |
15 |
4000 |
5430 |
160 |
92 |
100uF |
WHKS-1224 |
9-18 |
24 |
2500 |
5556 |
160 |
90 |
47uF |
WHKS-2403.3 |
18-36 |
3.3 |
14000 |
2092 |
100 |
92 |
1000uF |
WHKS-2405 |
18-36 |
5 |
12000 |
2778 |
100 |
92 |
1000uF |
WHKS-2412 |
18-36 |
12 |
5000 |
2701 |
100 |
93 |
220uF |
WHKS-2415 |
18-36 |
15 |
4000 |
2690 |
100 |
93 |
100uF |
WHKS-4803.3 |
36-75 |
3.3 |
14000 |
1046 |
50 |
92 |
1000uF |
WHKS-4805 |
36-75 |
5 |
12000 |
1354 |
50 |
92 |
1000uF |
WHKS-4812 |
36-75 |
12 |
5000 |
1356 |
50 |
92 |
220uF |
WHKS-4815 |
36-75 |
15 |
4000 |
1358 |
50 |
92 |
100uF |
|
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 |
| OVLO(Over Voltage Lockout) | See Table 1 |
Short Circuit Protection | Continuous |
| UVLO(Under Voltage Lockout) | See Table 1 |
Short Circuit Restart | Automatic |
| OVLO & UVLO Circuit Restart | Automatic |
Overload Protection | 150% typ |
| Voltage Setpoint Accuracy | +/-2% max |
Over Voltage Protection | Built-in |
| Temperature Coefficient | +/-0.03%/°C |
Transient Response | 500uS max |
| Ripple & Noise(20MHz BW) | 100mVp-p max |
External Trim Adj. Range | +/-10% |
MECHANICAL DIMENSIONS &
RECOMMENDED FOOTPRINT DETAILS
SIMPLIFIED SCHEMATIC &
INPUT OPERATING VOLTAGE TABLE
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