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VIPER50-E Datasheet

  • VIPER50-E

  • SMPS PRIMARY I.C.

  • 29頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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VIPer50-E
SMPS PRIMARY I.C.
General Features
Type
VIPer50-E
鈻?/div>
V
DSS
620V
I
n
1.5A
R
DS(on)
5
鈩?/div>
PENTAWATT HV
PENTAWATT HV (022Y)
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
鈥淏LUE ANGEL鈥?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
鈻?/div>
鈻?/div>
鈻?/div>
Description
VIPer50-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 (620V/ 1.5A).
Typical applications cover offline 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 ability to operate in stand-by mode
without extra components.
OSC
DRAIN
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
Block Diagram
ON/OFF
OSCILLATOR
SECURITY
LATCH
V
DD
PWM
LATCH
S
R1 FF Q
R2 R3
UVLO
LOGIC
R/S
FF
S
Q
OVERTEMP.
DETECTOR
0.5V
_
+ +
_
0.5 V
ERROR
_ AMPLIFIER
13 V
+
+
_
1.7
碌
s
DELAY
250 ns
BLANKING
2 V/A
CURRENT
AMPLIFIER
COMP
SOURCE
FC00291
4.5 V
September 2005
Rev 1
1/29
www.st.com
29

VIPER50-E 產品屬性

  • 50

  • 集成電路 (IC)

  • PMIC - AC-DC 轉換器，離線開關

  • VIPER™

  • 隔離

  • 90kHz ~ 200kHz

  • 8 V ~ 15 V

  • 620V

  • 60W

  • 25°C ~ 125°C

  • Pentawatt-5 HV（彎曲和錯列引線）

  • 5-PENTAWATT

  • 管件

  • 497-6801-5VIPER50-E-ND

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