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TPS5124 - Dual Channel Synchronous Step-Down PWM Controller

Description

The TPS5124 is dual independent high efficiency synchronous step-down controller.

tions that use either a 5-V or 12-V bus voltage.

Features

  • D High Efficiency.
  • No Current Sense Resistor Required, RDS(on) Overcurrent Detection with Temperature Compensation D Adjustable Output Voltage Down to 0.9 V D Voltage-Mode PWM Control: Maximum 500-kHz Operation D 180° Out-of-Phase Control D Individual Standby and Soft-Start for Each Channel.
  • Easy Power Sequencing D Overvoltage and Undervoltage Protection D Built-In Boot-Strap Diode D Built-In 5-V Linear Regulator D Accurate ± 1% 0.85-V Reference.

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Full PDF Text Transcription

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TPS5124 ą DUAL CHANNEL, SYNCHRONOUS STEPĆDOWN PWM CONTROLLER SLUS571 − SEPTEMBER 2003 FEATURES D High Efficiency − No Current Sense Resistor Required, RDS(on) Overcurrent Detection with Temperature Compensation D Adjustable Output Voltage Down to 0.9 V D Voltage-Mode PWM Control: Maximum 500-kHz Operation D 180° Out-of-Phase Control D Individual Standby and Soft-Start for Each Channel − Easy Power Sequencing D Overvoltage and Undervoltage Protection D Built-In Boot-Strap Diode D Built-In 5-V Linear Regulator D Accurate ± 1% 0.85-V Reference APPLICATIONS D Consumer Game Systems D DSP Applications D Digital Set-Top Box D VGA and Sound Cards DESCRIPTION The TPS5124 is dual independent high efficiency synchronous step-down controller.
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