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TPS40400RHLR +BOM

3-V to 20-V, 30-A, synchronous buck controller with PMBus™, including Telemetry

TPS40400RHLR General Description

In addition to its compact size and wide input voltage range, the TPS40400RHLR offers programmable soft start, power good output, and overcurrent protection, providing added reliability and flexibility in system designs. This level of functionality allows for peace of mind in system operations, as well as the ability to tailor the controller to specific application requirements

Key Features

  • Input Operating Voltage Range: 3 V to 20 V
  • PMBus Enabled Analog Controller
  • Reference 600 mV ± 1%
  • Remote Voltage Sense Amplifier
  • Internal 6-V Regulator and 6-V Gate Drive
  • Programmable Overcurrent Protection
  • Inductor Resistance or Series Resistance Used for Current Sensing
  • Programmable Switching Frequency: 200 kHz to 2 MHz
  • Powergood Indicator
  • Thermal Shutdown
  • Programmable Soft-Start
  • Internal Bootstrap Diode
  • Prebias Output Safe
  • 24-Pin QFN Package

Application

  • Multi-channel precision
  • Adaptive on-time control

Specifications

Vin (min) (V) 3 Vin (max) (V) 20
Vout (min) (V) 0.6 Vout (max) (V) 5
Iout (max) (A) 30 Iq (typ) (mA) 6
Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2000
Features Dynamic Voltage Scaling, Enable, Frequency synchronization, PMBus, Power good, Pre-Bias Start-Up, Remote Sense, Synchronous Rectification, Tracking Operating temperature range (°C) -40 to 125
Regulated outputs (#) 1 Number of phases 1
Rating Catalog Control mode Voltage mode
Type Controller

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