VIPer50A
VIPer50A is SMPS PRIMARY I.C. manufactured by STMicroelectronics.
DESCRIPTION
VIPer50™/50A, made using VIPower M0 Technology, bines 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 / 1.5A).
Typical applications cover off line power supplies with a secondary power capability of 25W in wide range condition and 50W in single range or with doubler configuration. It is patible from both primary or secondary regulation loop despite using around 50% less ponents when pared 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 ponents.
DRAIN
ON/OFF
OSCILLATOR
SECURITY PWM
LATCH
LATCH
UVLO LOGIC
R/S FF Q S
S R1 FF Q
R2 R3
OVERTEMP. DETECTOR
0.5 V + _
ERROR _ AMPLIFIER
13 V +
4.5 V
1.7 µ s DELAY
250 ns BLANKING
0.5V ++ _ _
2 V/A
CURRENT AMPLIFIER
FC00291
April 2002
SOURCE
1/23
VIPer50/SP
- VIPer50A/ASP
ABSOLUTE MAXIMUM RATING
Symbol
ID VDD VOSC VP IP Vesd
ID(AR)
Ptot Tj...
