VIPER50A-022Y STMicroelectronics, VIPER50A-022Y Datasheet

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VIPER50A-022Y

Manufacturer Part Number
VIPER50A-022Y
Description
Manufacturer
STMicroelectronics
Datasheet

Specifications of VIPER50A-022Y

Case
TO-220
Date_code
2000
BLOCK DIAGRAM
May 2003
VIPer50/SP
VIPer50A/ASP
ADJUSTABLE SWITCHING FREQUENCY UP
CURRENT MODE CONTROL
SOFT START AND SHUT DOWN CONTROL
AUTOMATIC BURST MODE OPERATION IN
INTERNALLY TRIMMED ZENER REFERENCE
UNDERVOLTAGE LOCK-OUT WITH
INTEGRATED START-UP SUPPLY
AVALANCHE RUGGED
OVERTEMPERATURE PROTECTION
LOW STAND-BY CURRENT
ADJUSTABLE CURRENT LIMITATION
STAND-BY CONDITION ABLE TO MEET
“BLUE ANGEL” NORM (<1W TOTAL POWER
CONSUMPTION)
TO 200 kHz
HYSTERESIS
TYPE
®
V
DD
13 V
_
+
V
620V
700V
DSS
AMPLIFIER
ERROR
0.5 V
LOGIC
UVLO
1.5 A
1.5 A
I
n
ON/OFF
4.5 V
+
_
R
OVERTEMP.
DETECTOR
SECURITY
R/S
5.7
DS(on)
5
LATCH
1.7
DELAY
S
FF
s
Q
LATCH
PWM
OSCILLATOR
R1
DESCRIPTION
VIPer50
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 (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 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.
R2 R3
COMP
PENTAWATT HV
FF
OSC
S
Q
BLANKING
250 ns
/50A,
SMPS PRIMARY I.C.
-
PowerSO-10™
made
10
VIPer50A/ASP
_
+
0.5V
+
AMPLIFIER
_
CURRENT
VIPer50/SP
using
2 V/A
1
SOURCE
DRAIN
PENTAWATT HV
VIPower
(022Y)
1/23
M0
1

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