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VIPER53E: 产品描述STATE OF THE ART PRIMARY SIDE SWITCH FOR AC/DC CONVERTERS; 文件大小384KB，共1页; 制造商ST(意法半导体); 官网地址http://www.st.com/

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VIPER53E概述

STATE OF THE ART PRIMARY SIDE SWITCH FOR AC/DC CONVERTERS

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The new VIPer53E includes a PWM driver, an

MDmesh MOSFET, a start-up high voltage current

source and several on-chip protection circuits.

The VIPer53E is an alternative choice to the VIPer53

when only the secondary regulation is required in

a power supply. Like the standard VIPer53, the new

version is housed in surface mounting DIP-8 and

PowerSO-10 packages.

The higher V

voltage range brings flexibility in

designing the transformer. In fact in secondary

regulation VIPer53E V

voltage extends from 9V

to 18V, while in the VIPer53 it goes from 9V to 14.5V

and this wide voltage range can follow fast load

variations. The extended V

is implemented by

eliminating an internal error amplifier.

Thanks to the MDmesh MOSFET with a breakdown

voltage of 620V, an R

DS(on)

of 1Ω at 25°C and a

typical handling output power of 40W for a 85 to

265Vac voltage mains. For this level of power the

device does not require a heat-sink.

The total power consumption of the converter is less

than 0.5W for the system when working in stand-by

mode. This means power supply designers can easily

meet the Blue Angel Eco or Energy Star Program.

Automatic burst mode for very low consumption

in stand-by conditions (less than 500mW);

Integrated high voltage start-up current source;

Overload and short circuit control;

Over-voltage protection at 18V;

Over-temperature shutdown;

Under-voltage protection;

Current mode control with adjustable drain current

limitation;

Externally set switching frequency, up to 300kHz.

OSC

DRAIN

ON/OFF

oscillator

PWM

Latch

VIPer53E

blanking time

selection

0.5V

150/400ns

blanking

COMP

P/N

VIPer53EDIP

VIPer53ESP

Input Mains

195-265Vac

85-265Vac

50W

65W

30W

40W

UVLO

comparator

8.4/

11.5V

overtemp

detector

R1 S

R2 FF Q

R3 R4 R5

standby

comparator

0.5V

current

amplifier

PWM

comparator

125k

4.35V

overvoltage

comparator

18V

overload

comparator

4.5V

Although the main application of VIPer53E is in

AC/DC converters for consumer equipment such

as set-top boxes, DVDs, VCRs, it can also be used

for stand-by power supplies for servers or in home

appliances where a very efficient AC/DC power

supply in buck topology is needed.

www.st.com/vipower

TOVL

COMP SOURCE

VIPer53E general block diagram

VIPER53E相似产品对比

	VIPER53E	VIPER53EDIP	VIPER53ESP
描述	STATE OF THE ART PRIMARY SIDE SWITCH FOR AC/DC CONVERTERS	STATE OF THE ART PRIMARY SIDE SWITCH FOR AC/DC CONVERTERS	STATE OF THE ART PRIMARY SIDE SWITCH FOR AC/DC CONVERTERS
厂商名称	-	ST(意法半导体)	ST(意法半导体)
零件包装代码	-	DIP	SOIC
包装说明	-	PLASTIC, DIP-8	SOP,
针数	-	8	10
Reach Compliance Code	-	unknow	unknow
ECCN代码	-	EAR99	EAR99
模拟集成电路 - 其他类型	-	SWITCHING REGULATOR	SWITCHING REGULATOR
控制模式	-	CURRENT-MODE	CURRENT-MODE
控制技术	-	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION
标称输入电压	-	13 V	13 V
JESD-30 代码	-	R-PDIP-T8	R-PDSO-G10
长度	-	9.27 mm	9.4 mm
功能数量	-	1	1
端子数量	-	8	10
最大输出电流	-	2.3 A	2.3 A
封装主体材料	-	PLASTIC/EPOXY	PLASTIC/EPOXY
封装代码	-	DIP	SOP
封装形状	-	RECTANGULAR	RECTANGULAR
封装形式	-	IN-LINE	SMALL OUTLINE
认证状态	-	Not Qualified	Not Qualified
座面最大高度	-	5.33 mm	3.65 mm
表面贴装	-	NO	YES
切换器配置	-	SINGLE	SINGLE
最大切换频率	-	300 kHz	300 kHz
端子形式	-	THROUGH-HOLE	GULL WING
端子节距	-	2.54 mm	1.27 mm
端子位置	-	DUAL	DUAL
宽度	-	7.62 mm	7.5 mm

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