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VIPER53ESP Datasheet State Of The Art Primary Side Switch For AC/dc Converters

Manufacturer: STMicroelectronics

Overview: VIPER53EDIP VIPER53ESP OFF LINE PRIMARY SWITCH Table 1. TYPICAL OUTPUT POWER CAPABILITY TYPE European US / Wide range (195 - 265 Vac) (85 - 265 Vac) VIPer53EDIP 50W 30W VIPer53ESP 65W 40W Note : Above power capabilities are given under adequate thermal conditions Figure 1. Package PRELIMINARY DATA s SWITCHING FREQUENCY UP TO 300 KHZ 10 s CURRENT MODE CONTROL WITH ADJUSTABLE CURRENT LIMITATION s SOFT START AND SHUT DOWN CONTROL DIP-8 1 PowerSO-10™ s AUTOMATIC BURST MODE IN STAND-BY CONDITION (“BLUE ANGEL” PLIANT) s UNDERVOLTAGE LOCKOUT WITH HYSTERESIS s INTEGRATED STARTUP CURRENT SOURCE .. Typical applications cover off line power supplies s OVERTEMPERATURE PROTECTION with a secondary power capability ranging up to s OVERLOAD AND SHORT-CIRCUIT CONTROL s OVERVOLTAGE PROTECTION 30W in wide range input voltage or 50W in single European voltage range and DIP-8 package, with the following benefits: – Overload and short circuit controlled by feedback monitoring and delayed device reset.

General Description

The VIPer53E bines in the same package an enhanced current mode PWM controller with a high voltage MDMesh Power Mosfet.

– Efficient standby mode by enhanced pulse skipping.

Integrated startup current source disabled during the normal operation to reduce the input power.

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