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LT1508 Datasheet Power Factor And Pwm Controller(voltage Mode)

Manufacturer: Linear Technology (now Analog Devices)

Overview: LT1508 Power Factor and PWM Controller (Voltage Mode).

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The LT ® 1508 is a complete solution for universal off-line switching power supplies utilizing active power factor correction.

The PFC section is identical to the LT1248 PFC controller except the EN/SYNC pin is removed because PFC and PWM are synchronized internally.

The voltage mode PWM section (LT1509 is the current mode counterpart) contains all the primary side functions to convert the PFC preregulated high voltage output to an isolated low voltage output.

Key Features

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