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VIPER53SP-E Datasheet

  • VIPER53SP-E

  • OFF-line primary switch

  • 359.20KB

  • 36頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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VIPer53 - E
OFF-line primary switch
General features
Type
DIP-8
PowerSO-10
TM
European
(195 - 265Vac)
50W
65W
US / Wide range
(85 - 265 Vac)
30W
40W
PowerSO-10
DIP-8
Features
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Switching frequency up to 300kHz
Current limitation
Current mode control with adjustable limitation
Soft start and shut-down control
Automatic burst mode in standby condition
(鈥淏lue Angel鈥?compliant )
Undervoltage lockout with Hysteresis
HIgh voltage star-tup current source
Overtemperature protection
Overload and short-circuit control
Description
The VIPer53-E combines an enhanced current
mode PWM controller with a high voltage
MDMesh Power Mosfet in the same package.
Typical applications cover offline power supplies
with a secondary power capability ranging up to
30W in wide range input voltage, or 50W in single
European voltage range and DIP-8 package, with
the following benefits:
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Overload and short circuit controlled by
feedback monitoring and delayed device reset.
Efficient standby mode by enhanced pulse
skipping.
Primary regulation or secondary loop failure
protection through high gain error amplifier.
DRAIN
Block diagram
OSC
ON/OFF
OSCILLAT OR
PW M
LATCH
OVERT EMP.
DET ECT OR
R1
S
FF
Q
BLANKING TIME
SELECTION
1V
R2
R3 R4 R5
UVLO
COMPARATOR
VDD
8.4/
11.5V
0.5V
STANDBY
COMPARATOR
0.5V
150/400ns
BLANKING
PW M
COMPARATOR
4V
8V
H
COM P
CURRENT
AMPLIFIER
15V
ERROR
AMPLIFIER
125k
4.35V
OVERLOAD
COMPARATOR
OVERVOLTAGE
COMPARATOR
18V
4.5V
T OVL
COMP
SOURCE
November 2006
Rev 1
1/36
www.st.com
36

VIPER53SP-E 產(chǎn)品屬性

  • STMicroelectronics

  • 電流型 PWM 控制器

  • SMD/SMT

  • PowerSO-10

  • Tube

  • 50

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