VIPER22A PDF Datasheet


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Description

This is LOW POWER OFF LINE SMPS PRIMARY SWITCHER. ® VIPer22ADIP VIPer22AS LOW POWER OFF LINE SMPS PRIMARY SWITCHER TYPICAL POWER CAPABILITY Mains type European (195 - 265 Vac) US , Wide range (85 - 265 Vac) SO-8 12 W 7W DIP-8 20 W 12 W SO-8 DIP-8 ORDER CODES n n n n FIXED 60 KHZ SWITCHING FREQUENCY 9V TO 38V WIDE RANGE VDD VOLTAGE CURRENT MODE CONTROL AUXILIARY UNDERVOLTAGE LOCKOUT WITH HYSTERESIS SOURCE PACKAGE SO-8 DIP-8 TUBE T&R VIPer22AS VIPer22AS13TR VIPer22ADIP - n HIGH VOLTAGE START UP CURRENT n OVERTEMPERATURE, OVERCURRENT AND OVERVOLTAGE PROTECTION WITH AUTORESTART DESCRIPTION The VIPer22A combines a dedicated current mode PWM controller with a high voltage Power BLOCK DIAGRAM MOSFET on the same silicon chip. Typical applications cover off line power supplies for battery charger adapters, standby power supplies for TV or monitors, auxiliary supplies for motor control, etc. The internal control circuit offers the following benefits: Large input voltage range on the VDD pin accommodates changes in auxiliary supply .