STMicroelectronics VIPER53SP
The VIPer53 combines in the same package an enhanced current mode PWM controller with a n CURRENT MODE CONTROL WITH high voltage MDMesh Power Mosfet.| Part No. | VIPER53SP |
|---|---|
| Datasheet | VIPER53SP Download |
| Manufacturer |  STMicroelectronics |
| Description | OFF LINE PRIMARY SWITCH |
| Buy | Stock & Price |
FEATURES
DESCRIPTION
n SWITCHING FREQUENCY UP TO 300 kHz n CURRENT LIMITATION Typical ADJUSTABLE LIMITATION applications cover off line power supplies with a n SOFT START AND SHUT DOWN CONTROL secondary power capability ranging up to 30W in n AUTOMATIC BURST MODE IN STAND-BY wide range input voltage or 50W in single CONDITION (“BLUE ANGEL” COMPLIANT) European voltage range and DIP-8 package, with the following benefits: n UNDERVOLTAGE LOCKOUT WITH HYSTERESIS – Overload and short circuit controlled by feedback monitoring and delayed device reset. n HIGH VOLTAGE STARTUP CURRENT – Efficient standby mode by enhanced pulse SOURCE skipping. n OVERTEMPERATURE PROTECTION – Primary regulation or secondary loop failure n OVERLOAD AND SHORT-CIRCUIT CONTROL protection through high gain error amplifier. BLOCK DIAGRAM OSC DRAIN ON/OFF OSCILLATOR PWM LATCH OVERTEMP. DETECTOR R1 R2 R3 UVLO COMPARATOR VDD 8.4/ 11.5V 0.5V STANDBY COMPARATOR 4V 150/400ns BLANKING PWM COMPARATOR 8V S FF R4 Q R5 0.5V H COM...
