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XR-3527A Datasheet Pulse-Width Modulating Regulators

Manufacturer: Exar (now MaxLinear)

Download the XR-3527A datasheet PDF. This datasheet also includes the XR-1525A variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (XR-1525A-EXAR.pdf) that lists specifications for multiple related part numbers.

General Description

The XR-1525A11527A is a series of monolithic integrated circuits that contain all of the control circuitry necessary for a pulse-width modulating regulator.

Included in the 16-Pin dual-in-line package is a voltage reference, an error amplifier, a pulse-width modulator, an oscillator, under-voltage lockout, soft-start circuitry, and output drivers.

FUNCTIONAL BLOCK DIAGRAM INV INPUT NON·Ir-;V INPUT SYNC The XR-1525A12525A13525A series

Overview

XR·1525A/2525A/3525A XR·1527A/2527A/3527A Pulse-Width Modulating Regulators.

Key Features

  • NOR logic, giving a LOW output for an OFF state. The XR-1527AI 2525A13527A series features OR logic, giving a HIGH output for an OFF state.

More Datasheets from Exar (now MaxLinear)

Part Number Description
XR-3524 Pulse-Width Modulating Regulator
XR-3525A Pulse-Width Modulating Regulators
XR-3503 (XR-3403 / XR-3503) Quad Operational Amplifiers
XR-3543 Power Supply Output Supervisory Circuit
XR-320 Monolithic Timing Circuit
XR-3403 (XR-3403 / XR-3503) Quad Operational Amplifiers
XR-3448 Floppy Disk Read/Write
XR-346 Programmable Quad Operational Amplifiers
XR-3470A Floppy Disk Read Amplifier
XR-3470B Floppy Disk Read Amplifier