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ASM8I1843 - (ASM8x184x) Voltage Mode PWM Controller

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Datasheet Details

Part number ASM8I1843
Manufacturer Alliance Semiconductor Corporation
File Size 1.57 MB
Description (ASM8x184x) Voltage Mode PWM Controller
Datasheet download datasheet ASM8I1843 Datasheet

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.

Overview

June 2005 rev 0.6 ASM8P18S42 / ASM8P18S42ER ASM8P1843 / ASM8P18S43ER ASM8P18S44ER / ASM8P18S45ER Voltage Mode PWM Controller with EMI Reduction.

Key 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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