LM7705MM/NOPB - Texas Instruments

Manufacturer Part Number

LM7705MM/NOPB

Manufacturer

Texas Instruments

Introduction

The LM7705 is a high-efficiency, low-dropout, step-down charge pump voltage regulator that provides a negative output voltage from a positive input voltage. It is ideal for applications that require a negative supply rail from a positive input source, such as LCD displays, op-amps, and other analog circuits.

Product Features and Performance

Step-down, charge pump topology

Wide input voltage range: 3V to 5.25V

Fixed negative output voltage: -0.23V

Output current up to 26mA

Switching frequency: 92kHz

Operates over a wide temperature range: -40°C to 125°C

Small footprint 8-pin TSSOP/MSOP package

Product Advantages

High efficiency, up to 90% typical

Low dropout voltage

Stable operation with minimal external components

Thermal shutdown and current limit protection

Key Reasons to Choose This Product

Compact size and high efficiency make it ideal for space-constrained, power-sensitive applications

Robust protection features ensure reliable operation in demanding environments

Wide operating temperature range allows use in a variety of applications

Quality and Safety Features

Automotive-qualified version available (LM7705MM/NOPB)

Meets stringent quality and reliability standards

Compatibility

Compatible with a variety of positive input voltage sources, including batteries, USB, and regulated power supplies

Application Areas

LCD displays

Operational amplifiers

Analog circuits requiring a negative supply rail

Product Lifecycle

The LM7705 is an active product. There are no plans for discontinuation at this time. Alternative models with similar functionality include the LM7706 and LM7707, which offer different output voltage options. For the latest product information or to discuss custom requirements, please contact our website's sales team.