VIPer20ADIP

® VIPer20/SP/DIP VIPer20A/ASP/ADIP SMPS PRIMARY I.C. T YPE VIPer20/SP/DIP VIPer20A/ASP/ADIP V DSS 620V 700V In 0.5 A 0.5 A R DS(on) 16 Ω 18 Ω PENTAWATT HV (022Y) FEATURE s ADJUSTABLE SWITCHING FREQUENCY UP TO 200KHZ 10 s CURRENT MODE CONTROL 1 s SOFT START AND SHUT DOWN CONTROL PowerSO-10 DIP-8 s AUTOMATIC BURST MODE OPERATION IN STAND-BY CONDITION ABLE TO MEET Technology, combines on the same silicon chip a ”BLUE ANGEL” NORM (<1W TOTAL POWER state-of-the-art PWM circuit together with an CONSUMPTION) optimized high voltage avalanche rugged Vertical s INTERNALLY TRIMMED ZENER Power MOSFET (620V or 700V / 0.5A). REFERENCE Typical applications cover off line power supplies s UNDERVOLTAGE LOCK-OUT WITH with a secondary power capability of 10W in wide HYSTERESIS range condition and 20W in single range or with www.DataSheet4U.com s INTEGRATED START-UP SUPPLY doubler configuration. It is compatible from both s AVALANCHE RUGGED primary or secondary regulation loop despite s OVERTEMPERATURE PROTECTION using around 50% less components when s LOW STAND-BY CURRENT compared with a discrete solution. Burst mode s ADJUSTABLE CURRENT LIMITATION operation is an additional feature of this device, offering the possibility to operate in stand-by DESCRIPTION mode without extra components. VIPer20/20A, made using VIPower M0 BLOCK DIAGRAM OSC DRAIN PENTAWATT HV ON/OFF OSCILLATOR SECURITY LATCH VDD UVLO LOGIC R/S FF S Q PWM LATCH R1 S FF R2 R3 Q OVERTEMP. DETECTOR 0.5 V + _ 1.7 µs dela...