MAX8540 - High-Frequency Current- and Voltage-Mode PWM Controllers

Product Overview

Maxim

Datasheet Details

Part number	MAX8540
Manufacturer	Maxim
File Size	328.69 KB
Description	High-Frequency Current- and Voltage-Mode PWM Controllers
Datasheet	MAX8540 Datasheet
Additional preview pages of the MAX8540 datasheet.

Product details

Description

The MAX8540/MAX8541 pulse-width-modulated (PWM) controllers for forward/flyback isolated DC-to-DC converters provide maximum flexibility to power-supply designers and reduce external component count.

Features

useradjustable ramp magnitude for the PWM comparator. A cycle-by-cycle current-limit function controls the peak primary current during overload and short circuit. Both controllers can be set to latch off or to hiccup when a short circuit is detected. The number of current-limited cycles to initiate the hiccup mode and number of cycles skipped are user selectable to allow startup with high-capacitance loads and protect the converter against sustained short circuits. The MAX8540/MAX8541 feature 9Ω.

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Published: May 2, 2005 |