|
Mechanical Characteristics |
|
|---|---|
|
Length:50.8mm |
Height: 11.2mm |
|
Width: 25.4mm |
Weight: 31.2g Typ |
|
GENERAL SPECIFICATIONS |
|||
|---|---|---|---|
| Operating Temperature (20W) | -40°C to +75°C |
Isolation Resistance | 109 ohms min |
| Operating Temperature (30W) | -40°C to +65°C |
Isolation Capacitance | 3000pF max |
| Case Temperature | +100°C max |
Switching Frequency | 300 KHz min |
| Storage Temperature | -55°C to +125°C |
MTBF | >700,000 Hours at 25°C |
| Humidity | 95% max |
Case Material | Six-Sided Shield Case |
| Cooling | Free-Air Convection |
Potting Material | Epoxy(UL94-V0) |
| Efficiency | 88% typ |
Conducted Emissions | EN55022 Class A |
| Isolation Voltage | 1500 VDC min |
Radiated Emissions | EN55022 Class A |
|
ELECTRICAL SPECIFICATIONS |
|||
|---|---|---|---|
| Input Voltage Range | 2:1, 4:1 Input Range |
Load Regulation | +/-0.5% max |
| Input Filter | Pi Network |
Minimum Load | 10% of Full Load |
| Protection | Fuse Recommended |
Short Circuit Protection | Continuous |
| OVLO(Over Voltage Lockout) | See Table 1 |
Short Circuit Restart | Automatic |
| UVLO(Under Voltage Lockout) | See Table 1 |
Overload Protection | 130%~180% |
| Voltage Setpoint Accuracy | +/-2% max |
Transient Response | 500uS max |
| Temperature Coefficient | +/-0.05%/°C |
External Trim Adj. Range Vout:5V |
+/-10% |
| Ripple & Noise(20MHz BW) | 150mVp-p max |
External Trim Adj. Range Vout:12V,15V |
-20%~+10% |
| Line Regulation | +/-0.3% max |
. | . |
OUTPUT SPECIFICATIONS
DC/DC CONVERTER
WIDE INPUT RANGE - 4:1
WFE SERIES
SIMPLIFIED SCHEMATIC &
INPUT OPERATING VOLTAGE TABLE
MECHANICAL DIMENSIONS &
RECOMMENDED FOOTPRINT DETAILS
| 4:1 20W SINGLE OUTPUT |
||||||||
|---|---|---|---|---|---|---|---|---|
Model No |
INPUT VOLTAGE |
OUTPUT VOLTAGE |
OUTPUT CURRENT |
INPUT CURRENT(mA) |
EFF |
CAPACITOR |
PACK AGE |
|
FULL LOAD |
NO LOAD |
|||||||
WFES-1205A20T |
9-36 |
5 |
4000 |
1915 |
80 |
87 |
1000uF |
A |
WFES-1212A20T |
9-36 |
12 |
1666 |
1914 |
20 |
87 |
220uF |
A |
WFES-1215A20T |
9-36 |
15 |
1333 |
1893 |
20 |
88 |
100uF |
A |
WFES-2405A20T |
18-75 |
5 |
4000 |
957 |
60 |
87 |
1000uF |
A |
WFES-2412A20T |
18-75 |
12 |
1666 |
946 |
20 |
88 |
220uF |
A |
WFES-2415A20T |
18-75 |
15 |
1333 |
936 |
20 |
89 |
100uF |
A |
 |
 |
 |
 |
 |
 |
