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AT1741 - 2-Channel PWM Controller

General Description

The AT1741 is 2-channel PWM switching regulator controllers that contains an on-chip 2.5V reference, two error amplifier, an adjustable oscillator, two dead-time comparators, undervoltage lockout circuitry and 2 common-emitter output.

It is idea for step-up, step-down, and inverting converter.

Key Features

  • High-accuracy reference voltage circuit (±2%).
  • Built-in short-circuit protection circuit.
  • Built-in Undervoltage Lockout protection.
  • Internal 2.5V Reference supply.
  • Variable Dead time provides control over total Range.

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Datasheet Details

Part number AT1741
Manufacturer Aimtron
File Size 410.28 KB
Description 2-Channel PWM Controller
Datasheet download datasheet AT1741 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AT1741 Preliminary Product Information 2-Channel PWM Controller for CCFL Backlight Features • High-accuracy reference voltage circuit (±2%). • Built-in short-circuit protection circuit. • Built-in Undervoltage Lockout protection. • Internal 2.5V Reference supply. • Variable Dead time provides control over total Range. Applications • LCD CCFL Backlight • Portable equipment General Description The AT1741 is 2-channel PWM switching regulator controllers that contains an on-chip 2.5V reference, two error amplifier, an adjustable oscillator, two dead-time comparators, undervoltage lockout circuitry and 2 common-emitter output. It is idea for step-up, step-down, and inverting converter. Block Diagram Aimtron reserves the right without notice to change this circuitry and specifications.