VIPer100A-E VIPer100ASP-E
SMPS PRIMARY I.C.
General Features
Type VIPer100A-E/ASP-E
VDSS 700V
In
RDS(on)
3A
2.8 ...
VIPer100A-E VIPer100ASP-E
SMPS PRIMARY I.C.
General Features
Type VIPer100A-E/ASP-E
VDSS 700V
In
RDS(on)
3A
2.8 Ω
■ ADJUSTABLE SWITCHING FREQUENCY UP TO 200 kHz
■ CURRENT MODE CONTROL
■ SOFT START AND SHUTDOWN CONTROL
■ AUTOMATIC BURST MODE OPERATION IN STAND-BY CONDITION ABLE TO MEET “BLUE ANGEL” NORM (<1w TOTAL POWER CONSUMPTION)
■ INTERNALLY TRIMMED ZENER REFERENCE
■ UNDER
VOLTAGE LOCK-OUT WITH HYSTERESIS
■ INTEGRATED START-UP SUPPLY
■ OVER-TEMPERATURE PROTECTION
■ LOW STAND-BY CURRENT
■ ADJUSTABLE CURRENT LIMITATION
Block Diagram
10
PENTAWATT HV
1
POWERSO-10TM
PENTAWATT HV (022Y)
Description
VIPer100A-E/ASP-E, made using VIPower M0 Technology, combines on the same silicon chip a state-of-the-art PWM circuit together with an optimized, high
voltage, Vertical Power
MOSFET (700V/ 3A).
Typical applications cover offline 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 ability to operate in stand-by mode without extra components.
OSC
DRAIN
ON/OFF
OSCILLATOR
SECURITY PWM
LATCH
LATCH
VDD
UVLO LOGIC
FF R/S Q
S R1 FF Q
S
R2 R3
OVERTEMP. DETECTOR
0.5 V + _
ERROR _ AMPLIFIER
13 V +
4.5 V
1.7 µs DELAY
250 ns BLANKING
0.5V ++ _ _
1 V/A
CURRENT AM...