SG3525AP

更新时间： 2024-11-10 22:43:15

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		脉冲
页数	文件大小	规格书
12页	120K
描述
REGULATING PULSE WIDTH MODULATORS

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中文翻译

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数据手册
替代型号

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SG3525AP 数据手册

SG2525A

SG3525A

REGULATING PULSE WIDTH MODULATORS

8 TO 35 V OPERATION

5.1 V REFERENCE TRIMMED TO 1%

100 Hz TO 500 KHz OSCILLATORRANGE

SEPARATE OSCILLATORSYNC TERMINAL

ADJUSTABLE DEADTIME CONTROL

INTERNALSOFT-START

PULSE-BY-PULSESHUTDOWN

INPUT UNDERVOLTAGE LOCKOUT WITH

HYSTERESIS

LATCHING PWM TO PREVENT MULTIPLE

PULSES

DUAL SOURCE/SINK OUTPUT DRIVERS

DIP16

16(Narrow)

DESCRIPTION

The SG3525Aseries of pulse width modulatorinte-

grated circuits are designed to offer improved per-

formance and lowered external parts count when

used in designing all types of switchingpower sup-

plies. Theon-chip + 5.1 V referenceis trimmed to ±

1 % andthe inputcommon-mode rangeof the error

amplifier includes the reference voltageeliminating

external resistors. A sync input to the oscillator al-

lows multipleunitsto beslavedor a singleunittobe

synchronizedto an externalsystem clock. A single

resistorbetweentheC_Tandthedischargeterminals

provide a wide range of dead time ad- justment.

Thesedevicesalsofeaturebuilt-insoft-startcircuitry

with only an external timing capacitor required. A

shutdownterminal controlsboththe soft-startcircu-

ity and the output stages, providing instantaneous

turn off through the PWM latch with pulsed shut-

down,as well as soft-start recycle with longer shut-

downcommands.Thesefunctionsarealsocontrol-

ledbyan undervoltagelockoutwhichkeepsthe out-

puts off and the soft-start capacitor discharged for

sub-normal input voltages.This lockoutcircuitry in-

cludesapproximately500mVofhysteresisforjitter-

free operation. Another feature of these PWM cir-

cuits is a latch following the comparator. Once a

PWM pulses has been terminated for any reason,

theoutputswill remainoff for the durationof the pe-

riod. The latch is reset with each clock pulse. The

output stages are totem-pole designs capable of

sourcing or sinking in excess of 200 mA. The

SG3525AoutputstagefeaturesNOR logic,givinga

LOW outputfor an OFF state.

PIN CONNECTIONS AND ORDERING NUMBERS (top view)

Type

Plastic DIP

SG2525AN

SG3525AN

SO16

SG2525A

SG3525A

SG2525AP

SG3525AP

June 2000

1/12

12 3 4 5 6 7...12

中文翻译

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SG3525AP 替代型号

型号	品牌	替代类型	描述	数据表
SG2525AP013TR	STMICROELECTRONICS	类似代替	REGULATING PULSE WIDTH MODULATORS
SG2525AP	STMICROELECTRONICS	功能相似	REGULATING PULSE WIDTH MODULATORS

与SG3525AP相关器件

型号	品牌	获取价格	描述	数据表
SG3525AP013TR	STMICROELECTRONICS	获取价格	电压模式PWM
SG3526	MOTOROLA	获取价格	PULSE WIDTH MODULATION CONTROL CIRCUIT
SG3526	ONSEMI	获取价格	PULSE WIDTH MODULATION CONTROL CIRCUIT
SG3526	MICROSEMI	获取价格	REGULATING PULSE WIDTH MODULATOR
SG3526	MICROCHIP	获取价格	The SG1526 is a high-performance monolithic pulse width modulator circuit designed for fix
SG3526_06	ONSEMI	获取价格	Pulse Width Modulation Control Circuit
SG3526B	MICROSEMI	获取价格	REGULATING PULSE WIDTH MODULATOR
SG3526B	MICROCHIP	获取价格	The SG1526B is a high-performance pulse width modulator for switching power supplies which
SG3526BDW	MICROSEMI	获取价格	REGULATING PULSE WIDTH MODULATOR
SG3526BJ	MICROSEMI	获取价格	REGULATING PULSE WIDTH MODULATOR

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