VIPER100AE STMicroelectronics, VIPER100AE Datasheet

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VIPER100AE

Manufacturer Part Number
VIPER100AE
Description
TO-220-7
Manufacturer
STMicroelectronics
Datasheet

Specifications of VIPER100AE

Date_code
09+
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General Features
Block Diagram
September 2005
VIPer100A-E/ASP-E
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
UNDERVOLTAGE LOCK-OUT WITH
HYSTERESIS
INTEGRATED START-UP SUPPLY
OVER-TEMPERATURE PROTECTION
LOW STAND-BY CURRENT
ADJUSTABLE CURRENT LIMITATION
Type
V
DD
13 V
V
700V
DSS
_
+
AMPLIFIER
ERROR
0.5 V
3 A
I
LOGIC
UVLO
n
ON/OFF
4.5 V
+
_
R
2.8
DS(on)
OVERTEMP .
DETECTOR
SECURITY
R/S
LATCH
DELAY
1.7 s
FF
S
Q
LATCH
PWM
OSCILLATOR
R1
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.
PENTAWATT HV
R2 R3
COMP
OSC
FF
S
Q
BLANKING
250 ns
PENTAWATT HV (022Y)
SMPS PRIMARY I.C.
+
_
VIPer100ASP-E
0.5V
+
AMPLIFIER
_
CURRENT
1 V/A
VIPer100A-E
SOURCE
DRAIN
10
POWERSO-10
www.st.com
Rev 1
1
1/31
TM
31

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