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ASM8P18S42 - (ASM8x184x) Voltage Mode PWM Controller

This page provides the datasheet information for the ASM8P18S42, a member of the ASM8I1843 (ASM8x184x) Voltage Mode PWM Controller family.

Description

ASM8P18xx is a high performance, adjustable frequency, PWM controller with an integrated spread spectrum modulator for EMI reduction.

It contains all the functions of a standard PWM controller along with a user configurable spread spectrum modulation with adjustable spread.

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 maximum Pin compatible with industry standard 3842 PWM controller. Temperature range.
  • 40°C to +85°C. Thermal protection. Frequency skip mode. Available in 8-pin plastic MicroSO, P-DIP and SOI.

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Datasheet preview – ASM8P18S42

Datasheet Details

Part number ASM8P18S42
Manufacturer Alliance Semiconductor Corporation
File Size 1.57 MB
Description (ASM8x184x) Voltage Mode PWM Controller
Datasheet download datasheet ASM8P18S42 Datasheet
Additional preview pages of the ASM8P18S42 datasheet.

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Full PDF Text Transcription

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June 2005 rev 0.6 ASM8P18S42 / ASM8P18S42ER ASM8P1843 / ASM8P18S43ER ASM8P18S44ER / ASM8P18S45ER Voltage Mode PWM Controller with EMI Reduction General Description ASM8P18xx is a high performance, adjustable frequency, PWM controller with an integrated spread spectrum modulator for EMI reduction. It contains all the functions of a standard PWM controller along with a user configurable spread spectrum modulation with adjustable spread. ASM8P18xx allows significant system cost savings by reducing the number of PCB layers and shielding that are traditionally required to pass EMI regulation. Features 30V maximum operating voltage with CMOS technology Adjustable PWM frequencies (40 KHz to 400 KHz) Maximum Output drive current of 1A.
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