Datasheet > SG3525A_05

SG3525A_05

更新时间： 2024-09-23 03:32:27

品牌	Logo	应用领域
安森美 - ONSEMI		/
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10页	146K
描述
Pulse Width Modulator Control Circuit

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SG3525A_05 数据手册

SG3525A

Pulse Width Modulator

Control Circuit

The SG3525A pulse width modulator control circuit offers

improved performance and lower external parts count when

implemented for controlling all types of switching power supplies.

The on−chip +5.1 V reference is trimmed to "1% and the error

amplifier has an input common−mode voltage range that includes the

reference voltage, thus eliminating the need for external divider

resistors. A sync input to the oscillator enables multiple units to be

slaved or a single unit to be synchronized to an external system clock.

A wide range of deadtime can be programmed by a single resistor

http://onsemi.com

MARKING

DIAGRAMS

PDIP−16

N SUFFIX

CASE 648

SG3525AN

AWLYYWW

connected between the C and Discharge pins. This device also

features built−in soft−start circuitry, requiring only an external timing

capacitor. A shutdown pin controls both the soft−start circuitry and the

output stages, providing instantaneous turn off through the PWM latch

with pulsed shutdown, as well as soft−start recycle with longer

shutdown commands. The under voltage lockout inhibits the outputs

and the changing of the soft−start capacitor when V

is below

SOIC−16L

DW SUFFIX

CASE 751G

SG3525A

AWLYYWW

nominal. The output stages are totem−pole design capable of sinking

and sourcing in excess of 200 mA. The output stage of the SG3525A

features NOR logic resulting in a low output for an off−state.

Features

= Assembly Location

• 8.0 V to 35 V Operation

WL = Wafer Lot

YY = Year

WW = Work Week

• 5.1 V " 1.0% Trimmed Reference

• 100 Hz to 400 kHz Oscillator Range

• Separate Oscillator Sync Pin

• Adjustable Deadtime Control

• Input Undervoltage Lockout

PIN CONNECTIONS

• Latching PWM to Prevent Multiple Pulses

• Pulse−by−Pulse Shutdown

• Dual Source/Sink Outputs: "400 mA Peak

• Pb−Free Packages are Available*

Inv. Input

Noninv. Input

Sync

ref

Output B

OSC. Output

Ground

Output A

Discharge

Soft−Start

Shutdown

Compensation

(Top View)

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 2 of this data sheet.

*For additional information on our Pb−Free strategy and soldering details, please

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

Semiconductor Components Industries, LLC, 2005

Publication Order Number:

January, 2005 − Rev. 5

SG3525A/D

12 3 4 5 6 7...10

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与SG3525A_05相关器件

型号	品牌	获取价格	描述	数据表
SG3525ACJ	Linear	获取价格	IC SWITCHING CONTROLLER, CDIP, Switching Regulator or Controller
SG3525ADW	MICROSEMI	获取价格	REGULATING PULSE WIDTH MODULATOR
SG3525ADW	ONSEMI	获取价格	Pulse Width Modulator Control Circuit
SG3525ADW	MOTOROLA	获取价格	PULSE WIDTH MODULATOR CONTROL CIRCUITS
SG3525ADWG	ONSEMI	获取价格	Pulse Width Modulator Control Circuit
SG3525ADWR2	ONSEMI	获取价格	Pulse Width Modulator Control Circuit
SG3525ADWR2G	ONSEMI	获取价格	Pulse Width Modulator Control Circuit
SG3525AJ	MICROSEMI	获取价格	REGULATING PULSE WIDTH MODULATOR
SG3525AJ	Linear	获取价格	Regulating Pulse Width Modulators
SG3525AN	STMICROELECTRONICS	获取价格	REGULATING PULSE WIDTH MODULATORS

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