LM34936RHFT - Texas Instruments

Manufacturer Part Number

LM34936RHFT

Manufacturer

Texas Instruments

Introduction

The LM34936RHFT is a Buck-Boost Switching Controller designed for efficient power management and is suitable for a variety of applications.

Product Features and Performance

Output Type: Transistor Driver

Function: Step-Up/Step-Down

Output Configuration: Positive

Topology: Buck-Boost

Number of Outputs: 1

Output Phases: 1

Voltage - Supply (Vcc/Vdd): 4.2V ~ 30V

Frequency - Switching: 100kHz ~ 600kHz

Duty Cycle (Max): 100%

Synchronous Rectifier: Yes

Clock Sync: Yes

Control Features: Current Limit, Enable, Frequency Control, Power Good, Soft Start

Operating Temperature: -40°C ~ 125°C

Product Advantages

Highly flexible with Buck-Boost topology

Maintains performance across a wide range of input voltages

Integrated synchronous rectifier for improved efficiency

Key Technical Parameters

Frequency - Switching: 100kHz ~ 600kHz

Voltage - Supply (Vcc/Vdd): 4.2V ~ 30V

Operating Temperature: -40°C ~ 125°C

Duty Cycle (Max): 100%

Quality and Safety Features

Operating temperature support from -40°C up to 125°C ensures reliability in varying environmental conditions

Built-in current limit and thermal shutdown for safety

Compatibility

Compatible with various types of external transistors considering its functionality as a driver

Application Areas

Suitable for telecommunications, automotive systems, portable devices, and power regulation modules

Product Lifecycle

Currently active with continued manufacturer support; no indication of nearing discontinuation

Several Key Reasons to Choose This Product

Flexible voltage supply range from 4.2V to 30V

Supports high switching frequency up to 600kHz for faster response

High efficiency with synchronous rectification and the ability to sync to an external clock

Comprehensive control features like soft start and power good signal for enhanced system management

Robust against temperature extremes ensuring performance in hostile environments

Support for both step-up and step-down operations increases application versatility