LM34936RHFR - Texas Instruments

Manufacturer Part Number

LM34936RHFR

Manufacturer

Texas Instruments

Introduction

The LM34936RHFR is a highly integrated, configurable buck-boost switching controller that facilitates efficient transfer and control of power from input to output in a compact form factor.

Product Features and Performance

Configurable buck-boost topology

Supports a single-phase output

Voltage supply range from 4.2V to 30V

Switching frequency adjustable between 100kHz and 600kHz

Maximum 100% duty cycle

Incorporates synchronous rectification for greater efficiency

Features clock synchronization

Enhanced control features including current limit, enable pin, frequency control, power good signal, and soft start function

Capable of operating in temperatures ranging from -40°C to 125°C

Product Advantages

Flexibility in managing various input and output voltage configurations

High efficiency and reliability through synchronous rectification and clock sync

Robust performance in extreme temperature conditions

Key Technical Parameters

Output Type: Transistor Driver

Topology: Buck-Boost

Number of Outputs: 1

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

Frequency Switching: 100kHz ~ 600kHz

Duty Cycle (Max): 100%

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Built-in current limit for overload protection

Soft start to minimize inrush current during startup

Power good signal ensures stable operation

Temperature resilience for high-reliability requirements

Compatibility

Surface mount, 28-VFQFN Exposed Pad package for PCB integration

Application Areas

Suitable for varied electronics requiring configurable power management including consumer electronics, telecommunications, and industrial systems

Product Lifecycle

Currently in an active state within Texas Instruments product portfolio

No impending discontinuation, sustaining long-term availability and support

Upgrade paths available within the LM34936 product series

Several Key Reasons to Choose This Product

Versatile input and output voltage range accommodates numerous applications

High switching frequency range allows for tailored performance and size optimization of passive components

Fully integrated features reduce external component count enhancing reliability and minimizing size

Stable operation under a wide range of temperatures extends usability in diverse operating environments

Continuous product support and availability from Texas Instruments assures long-term usability and integration into future designs