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RT7296A - 17V Current Mode Synchronous Step-Down Converter

Description

The RT7296A is a high-efficiency, 3A current mode synchronous step-down DC-DC converter with a wide input voltage range from 4.5V to 17V.

The device integrates 80m high-side and 30m low-side MOSFETs to achieve high efficiency conversion.

Features

  • 4.5V to 17V Input Voltage Range.
  • 3A Output Current.
  • Internal N-Channel MOSFETs.
  • Current Mode Control.
  • Fixed Switching Frequency : 500kHz.
  • Synchronous to External Clock : 200kHz to 2MHz.
  • Cycle-by-Cycle Current Limit.
  • TTH For Adjustable PSM to PWM Transition Threshold.
  • Internal Soft-Start Function.
  • Input Under-Voltage Lockout.
  • Output Under-Voltage Protection.
  • Thermal Shutdown.
  • RoHS Compliant and Halogen Free.

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Datasheet preview – RT7296A

Datasheet Details

Part number RT7296A
Manufacturer Richtek
File Size 1.13 MB
Description 17V Current Mode Synchronous Step-Down Converter
Datasheet download datasheet RT7296A Datasheet
Additional preview pages of the RT7296A datasheet.

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Full PDF Text Transcription

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RT7296A 3A, 17V Current Mode Synchronous Step-Down Converter General Description The RT7296A is a high-efficiency, 3A current mode synchronous step-down DC-DC converter with a wide input voltage range from 4.5V to 17V. The device integrates 80m high-side and 30m low-side MOSFETs to achieve high efficiency conversion. The current mode control architecture supports fast transient response and internal compensation. The RT7296A provides TTH pin to adjust transition point from PSM to PWM in order to balance efficiency and output ripple. A cycle-by-cycle current limit function provides protection against shorted output. The RT7296A provides complete protection functions such as input under-voltage lockout, output under-voltage protection, over-current protection, and thermal shutdown.
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