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VIPER20SP 데이터시트(PDF) 1 Page - STMicroelectronics

부품명 VIPER20SP
상세설명  SMPS PRIMARY I.C.
PDF  25 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VIPER20SP 데이터시트(HTML) 1 Page - STMicroelectronics

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July 2002
1/25
®
VIPer20/SP/DIP
- VIPer20A/ASP/ADIP
SMPS PRIMARY I.C.
1
s
ADJUSTABLE SWITCHING FREQUENCY UP
TO 200 kHz
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
DESCRIPTION
VIPer20/20A,
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 (620V or 700V / 0.5A).
Typical applications cover off line power supplies
with a secondary power capability of 10W in wide
range condition and 20W 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.
TYPE
VDSS
In
RDS(on)
VIPer20/SP/DIP
620V
0.5 A
16
Ω
VIPer20A/ASP/ADIP
700V
0.5 A
18
Ω
BLOCK DIAGRAM
PENTAWATT HV
PENTAWATT HV (022Y)
1
10
PowerSO-10™
VDD
OSC
COMP
DRAIN
SOURCE
13 V
UVLO
LOGIC
SECURITY
LATCH
PWM
LATCH
FF
FF
R/S
S
Q
S
R1
R2 R3
Q
OSCILLATOR
OVERTEMP.
DETECTOR
ERROR
AMPLIFIER
_
+
0.5 V
+
_
1.7
µs
delay
250 ns
Blanking
CURRENT
AMPLIFIER
ON/OFF
0.5V
6 V/A
_
+
+
_
4.5 V
DIP-8


유사한 부품 번호 - VIPER20SP

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유사한 설명 - VIPER20SP

제조업체부품명데이터시트상세설명
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VIPER100A STMICROELECTRONICS-VIPER100A Datasheet
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