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VIPER53ESPTR-E Datasheet

  • VIPER53ESPTR-E

  • OFF-line Primary Switch

  • 31頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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VIPer53EDIP - E
VIPer53ESP - E
OFF-line Primary Switch
Features
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Switching frequency up to 300kHz
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
Integrated start-up current source
Over-temperature protection
Overload and short-circuit control
Overvoltage protection
In compliance with the 2002/95/EC European
Directive
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 and
40W in wide range input voltage, or 65W in single
European voltage range and PowerSO-10
package, with the following benefits:
鈥?Overload and short-circuit events
controlled by feedback monitoring and
delayed device reset;
鈥?Efficient standby mode by enhanced pulse
skipping.
鈥?Integrated start-up current source is
disabled during normal operation to reduce
the input power.
DRAIN
PowerSO-10
DIP-8
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Description
The VIPer53E combines an enhanced current
mode PWM controller with a high voltage
MDMesh Power MOSFET in the same package.
Block diagram
OSC
ON/OFF
OSCILLATOR
PWM
LATCH
OVERTEMP.
DETECTOR
R1
S
FF
Q
BLANKING TIME
SELECTION
1V
R2
R3 R4 R5
UVLO
COMPARATOR
VDD
8.4/
11.5V
8V
PWM
COMPARATOR
150/400ns
BLANKING
0.5V
H
COMP
CURRENT
AMPLIFIER
STANDBY
COMPARATOR
0.5V
Vcc
125k
4V
OVERLOAD
COMPARATOR
I
C OMP
4.4V
OVERVOLTAGE
COMPARATOR
4.5V
18V
TOVL
COMP
SOURCE
January 2006
DocRev1
1/31
www.st.com
31

VIPER53ESPTR-E 產(chǎn)品屬性

  • STMicroelectronics

  • 電流型 PWM 控制器

  • 300 KHz

  • 50 ns

  • 100 ns

  • 9.3 V to 19 V

  • 8 mA

  • 1

  • + 125 C

  • SMD/SMT

  • PowerSO-10

  • - 25 C

  • 1.9 A

  • Reel

  • 600

  • 11.5 V

  • 8.4 V

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