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VIPER100B

STMicroelectronics
Part Number VIPER100B
Manufacturer STMicroelectronics
Description SMPS PRIMARY I.C.
Published Apr 16, 2005
Detailed Description ® VIPer100B VIPer100BSP SMPS PRIMARY I.C. PRELIMINARY DATA T YPE VIPer100B/BSP V DSS 400V In 6A R DS(on) 1.1 Ω 10 ...
Datasheet PDF File VIPER100B PDF File

VIPER100B
VIPER100B

Overview
® VIPer100B VIPer100BSP SMPS PRIMARY I.
C.
PRELIMINARY DATA T YPE VIPer100B/BSP V DSS 400V In 6A R DS(on) 1.
1 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 VIPer100B/100BSP, 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 (400 V / 6 A).
Typical applications cover off line power supplies with a secondary power capability of 100 W in a US mains lines 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 0.
5V/A ERROR _ AMPLIFIER 13 V + 4.
5 V CURRENT AMPLIFIER COMP SOURCE FC00231 January 2000 1/20 VIPER100B/BSP ABSOLUTE MAXIMUM RATING Symb ol V DS ID VDD V OSC V COMP I COMP V esd I D(AR) P tot Tj T s tg Parameter o Continuous Drain-Source Voltage (T j = 25 to 125 C) 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 W idth Limited by T J max, δ <1%) o Power Dissipation a...


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