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TL5001 - Pulse-Width-Modulation Controller

General Description

The UTC TL5001 incorporates on a single monolithic chip all the functions required for a pulse width modulation (PWM) control circuit.

Key Features

  • S.
  • Complete PWM power control.
  • 3.6-V to 40-V operation.
  • Internal under voltage-lockout circuit.
  • Internal short-circuit protection.
  • Oscillator frequency : 20kHz to 500kHz.
  • Variable dead timer provides control over total range.

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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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UNISONIC TECHNOLOGIES CO., LTD TL5001 LINEAR INTEGRATED CIRCUIT PULSE-WIDTH-MODULATION CONTROL CIRCUITS  DESCRIPTION The UTC TL5001 incorporates on a single monolithic chip all the functions required for a pulse width modulation (PWM) control circuit. Designed primarily for power-supply control, It contains an error amplifier, a regulator, an oscillator, a PWM comparator with a dead-time-control input, undervoltage lockout (UVLO), short-circuit protection (SCP) and an open-collector output transistor. The error-amplifier common-mode voltage ranges from 0V to 1.5V. The noninverting input of the error amplifier is connected to a 1-V reference. Dead-time control (DTC) can be set to provide 0% to 100% dead time by connecting an external resistor between DTC and GND.