Document
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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 at Tc = 25 C Junction Operating Temperature Storage Temperature Value -0.3 to 400 Internally Limited 0 to 15 0 to V DD 0 to 5 ±2 4000 3 82 Internally Limited -65 to 150 Unit V A V V V mA V A W C o C
o
THERMAL DATA
PENT AW ATT-HV R t hj-ca se R th j-a mb. Thermal Resistance Junction-case Thermal Resistance Ambient-case Max Max 1.4 60 PowerSO-10(*) 1.4 50
o o
C/W C/W
(*) When mounted using the minimum recommended pad size on FR-4 board.
CONNECTION DIAGRAMS (Top View) PENTAWATT HV PENTAWATT HV (022Y) PowerSO-10
CURRENT AND VOLTAGE CONVENTIONS
IDD ID
VDD
DRAIN
IOSC
OSC
13V
+
COMP SOURCE
VDD
VDS
ICOMP VOSC VCOMP
FC00020
2/20
VIPER100B/BSP
ORDERING NUMBERS
PENT AW ATT HV VIPer100B PENTAWATT HV (022Y) VIPer100B (022Y) Pow erSO -10 VIPer100BSP
PINS FUNCTIONAL DESCRIPTION DRAIN PIN: Integrated power MOSFET drain pin. It provides internal bias current during start-up via an integrated high voltage current source which is switched off during normal operation. The device is able to.