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VIPER100

STMicroelectronics
Part Number VIPER100
Manufacturer STMicroelectronics
Description SMPS PRIMARY I.C.
Published Apr 16, 2005
Detailed Description ® VIPer100/SP VIPer100A/ASP SMPS PRIMARY I.C. T YPE VIPer100/SP VIPer100A/ASP V DSS 620V 700V In 3 A 3 A R DS(on) 2...
Datasheet PDF File VIPER100 PDF File

VIPER100
VIPER100

Overview
® VIPer100/SP VIPer100A/ASP SMPS PRIMARY I.
C.
T YPE VIPer100/SP VIPer100A/ASP V DSS 620V 700V In 3 A 3 A R DS(on) 2.
5 Ω 2.
8 Ω 10 PENTAWATT HV FEATURE s ADJUSTABLE SWITCHING FREQUENCY UP TO 200KHZ s CURRENT MODE CONTROL s SOFT START AND SHUT DOWN CONTROL s AUTOMATIC BURST MODE OPERATION IN STAND-BY CONDITION ABLE TO MEET ”BLUE ANGEL” NORM (<1W TOTAL POWER CONSUMPTION) s INTERNALLY TRIMMED ZENER REFERENCE s UNDERVOLTAGE LOCK-OUT WITH HYSTERESIS s INTEGRATED START-UP SUPPLY s AVALANCHE RUGGED s OVERTEMPERATURE PROTECTION s LOW STAND-BY CURRENT s ADJUSTABLE CURRENT LIMITATION BLOCK DIAGRAM OSC 1 PowerSO-10 PENTAWATT HV (022Y) DESCRIPTION VIPer100™/100A, made using VIPower M0 Technology, combines on the same silicon chip a state-of-the-art PWM circuit together with an optimized high voltage avalanche rugged Vertical Power MOSFET (620V or 700V / 3A).
Typical applications cover off line power supplies with a secondary power capability of 50W in wide range condition and 100W in single range or with doubler configuration.
It is compatible from both primary or secondary regulation loop despite using around 50% less components when compared with a discrete solution.
Burst mode operation is an additional feature of this device, offering the possibility to operate in stand-by mode without extra components.
DRAIN ON/OFF OSCILLATOR SECURITY LATCH V DD PWM LATCH S R1 FF Q R2 R3 UVLO LOGIC R/S FF S Q OVERTEMP.
DETECTOR 0.
5V _ + + _ 0.
5 V + _ 1.
7 µ s DELAY 25 0 ns BLANKING 1 V/A ERROR _ AMPLIFIER 13 V + 4.
5 V CURRENT AMPLIFIER COMP SOURCE FC00231 May 1999 1/20 VIPer100/SP - VIPer100A/ASP ABSOLUTE MAXIMUM RATING Symb ol V DS Parameter Continuous Drain-Source Voltage (Tj = 25 to 125o C) for VIPer100/SP for VIPer100A/ASP Maximum Current Supply Voltage Voltage Range Input Voltage Range Input Maximum Continuous Current Electrostatic discharge (R = 1.
5 K Ω C = 100pF) Avalanche Drain-Source Current, Repetitive or Not-Repetitive (T C = 100 o C, Pulse Width Limi...


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