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TPS40170 - Wide-Input Synchronous PWM Buck Controller

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General Description

TPS40170 is a full-featured, synchronous PWM buck controller that operates at an input voltage between 4.5 V and 60 V and is optimized for VIN ENABLE 1 ENABLE 20 UVLO 2 SYNC 3 M/S VIN 19 BOOT 18 4 RT HDRV 17 TRK 5 SS SW 16 TPS40170 6 TRK VBP 15 7 FB LDRV 14 8 COMP PGND 13 9 AGND V

Overview

TPS40170 SLUS970C – MARCH 2011 – REVISED NOVEMBER 2023 TPS40170 4.

Key Features

  • New, similar products available:.
  • LM5145 75-V synchronous buck controller with wide input voltage and duty cycle ranges.
  • LM5146 100-V synchronous buck DC/DC controller with wide duty-cycle range.
  • Wide input voltage range from 4.5 V to 60 V.
  • Reference voltage of 600 mV with 1% accuracy.
  • Programmable UVLO and hysteresis.
  • Voltage mode control with voltage feed forward.
  • Programmable frequency between 100 kHz and 600 kHz.

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