Features: INPUT VOLTAGE UP TO 400 V DC OR 285 V RMS RECTIFIED OUTPUT VOLTAGE ADJUSTABLE FROM1.25 TO VIN-30V OUTPUT CURRENT LIMITED TO 40 mA THERMAL SHUT-DOWN PROTECTION SHORT CIRCUIT PROTECTIONSpecifications Symbol Parameter Value Unit TO-220 ISOWATT220 D2PAK VIN,OUT Input to...
VB408B: Features: INPUT VOLTAGE UP TO 400 V DC OR 285 V RMS RECTIFIED OUTPUT VOLTAGE ADJUSTABLE FROM1.25 TO VIN-30V OUTPUT CURRENT LIMITED TO 40 mA THERMAL SHUT-DOWN PROTECTION SHORT CIRCUIT PROTECTIONSpeci...
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|
Parameter | Value | Unit | ||
TO-220 | ISOWATT220 | D2PAK | |||
VIN,OUT |
Input to Output Voltage at 20 mA | - 0.2 to 420 | V | ||
IOUT |
Output current | Internally limited | mA | ||
VESD |
Electrostatic discharge (R=1.5k, C=100pF) | 2000 | V | ||
Ptot |
Power dissipation at TC=25 | 89 | 31 | 89 | W |
Tj |
Junction operating temperature | - 40 to150 | |||
TSTG |
Storage temperature | - 55 to 150 |
The VB408, VB408B, VB408FI are fully protected positive adjustable voltage regulators made using a proprietary High Voltage VIPower] technology. The VB408, VB408B, VB408FI devices can be connected to a D.C. source (up to 400V) or in off-line application directly to the rectified main (110V/230V). It is particularly suitable to be used in the manufacture of DC/DC converters, AC/DC converters,start-up circuits, pneumatic valve drivers and current sources. The device is able to drive resistive or inductive loads with an output voltage from 1.25V to VIN-30V providing an internally limited output current; it has built in short circuit and thermal shutdown protections. The device does not provide galvanic insulation from main.