ASM8P1843, ASM8I1843 (ASM8x184x) Voltage Mode PWM Controller

Alliance Semiconductor Corporation

Description

June 2005 rev 0.6 ASM8P18S42 / ASM8P18S42ER ASM8P1843 / ASM8P18S43ER ASM8P18S44ER / ASM8P18S45ER Voltage Mode PWM Controller with EMI Reduction Gene.
ASM8P18xx is a high performance, adjustable frequency, PWM controller with an integrated spread spectrum modulator for EMI reduction.

📥 Download Datasheet

ASM8P1843 Datasheet Preview — This datasheet PDF includes multiple part numbers: ASM8P1843, ASM8I1843. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: ASM8P1843, ASM8I1843
Manufacturer: Alliance Semiconductor Corporation
File Size: 1.57 MB
Datasheet: ASM8I1843_AllianceSemiconductorCorporation.pdf
Description: (ASM8x184x) Voltage Mode PWM Controller
Note: This datasheet PDF includes multiple part numbers: ASM8P1843, ASM8I1843.
Please refer to the document for exact specifications by model.

Features

* 30V maximum operating voltage with CMOS technology Adjustable PWM frequencies (40 KHz to 400 KHz) Maximum Output drive current of 1A. Wide duty cycle range (0% minimum to 95% maximum) Spread spectrum modulation with adjustable spread. Under voltage lockout with hysteresis. Low startup current: 275?A

Applications

* Off-line converter DC-DC converter Monitor power supply Computer/DVD/STB power supply Wireless base station power supply Telecom power supply Typical Operating Circuit VDD VDD FSEL CT GND ASM8P18xx VREF RD COMP FB OUT ISNS R1 RC CC R2 R3 RS VIN From SMPS Output Alliance Semiconductor 2575 August

ASM8P1843 Distributors

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ASM8I1843 ASM8x184x Voltage Mode PWM Controller Alliance Semiconductor Corporation

Alliance Semiconductor Corporation ASM8P1843-like datasheet