TPS51511RHLR - Texas Instruments

Manufacturer Part Number

TPS51511RHLR

Manufacturer

Texas Instruments

Introduction

The TPS51511RHLR is a power management integrated circuit specifically designed for both linear and switching voltage regulation.

Product Features and Performance

Dual output capabilities: Step-down (Buck) Synchronous and Linear (LDO)

Synchronous Buck and LDO integrated in one chip

Switching frequency up to 350 kHz

Linear regulator provides output from 0.75V to 3.3V at 2A

Product Advantages

Dual function reduces component count

High efficiency through synchronous operation

Wide range of input voltage (3V to 28V) compatible with various supply levels

Supports high-density mounting with a small package size (20-VFQFN Exposed Pad)

Key Technical Parameters

Topology: Step-Down (Buck) Synchronous, Linear (LDO)

Number of Outputs: 2

Frequency Switching: 350kHz

Voltage/Current Output 1: Controller

Voltage/Current Output 2: 0.75V ~ 3.3V, 2A

Voltage Supply: 3V ~ 28V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built to operate in a wide range of temperatures from -40°C to 85°C

Compatibility

Compatible with surface mount technology for easy PCB design and assembly

Application Areas

Broad applicability in power supply systems requiring both linear and buck regulation

Product Lifecycle

Status: Obsolete

No direct replacements or upgrades specified

Several Key Reasons to Choose This Product

Integration of both buck and LDO regulators for efficiency and space-saving

Capable of handling a broad range of input voltages suitable for various applications

Compact and robust design suitable for high-density electronic assemblies

Reliable performance in harsh temperature environments