LM2687MM - Texas Instruments

Manufacturer Part Number

LM2687MM

Manufacturer

Texas Instruments

Introduction

The LM2687MM is a charge pump based step-down DC DC switching regulator designed for power management.

Product Features and Performance

Step-Down Charge Pump Voltage Regulator

Negative Output Configuration

Adjustable Output Voltage

Supports 2.7V to 5.5V Input Voltage Range

Adjustable -1.5V to -5.2V Output Voltage Range

10mA Current Output Capability

110kHz Switching Frequency

Operating Temperature Range from -40°C to 85°C

Product Advantages

Compact 8-TSSOP, 8-MSOP Surface Mount Package

Provides a Negative Output Voltage from a Positive Input

Low Output Ripple

Simple External Components Required

No Synchronous Rectifier Needed

Key Technical Parameters

Minimum Input Voltage: 2.7V

Maximum Input Voltage: 5.5V

Minimum Output Voltage: -1.5V

Maximum Output Voltage: -5.2V

Output Current: 10mA

Switching Frequency: 110kHz

Temperature Range: -40°C to 85°C

Mounting Type: Surface Mount

Quality and Safety Features

Built-In Thermal Shutdown

Short-Circuit Protection

Compatibility

Suitable for 8-VSSOP Device Packages

Application Areas

Portable Devices

Battery Powered Equipment

Local Negative Supply Generation

Product Lifecycle

Obsolete Status

Replacement or upgrade options should be evaluated from the latest Texas Instruments product lines

Several Key Reasons to Choose This Product

Designed by a reputable manufacturer, Texas Instruments

Ideal for applications requiring a negative voltage rail

Ease of design with adjustable function for output voltage

Reliable operation in a wide temperature range

Simple integration into space-constrained applications due to small form factor

Offers essential protection features for enhanced safety

No need for an external diode due to charge pump topology

Low-profile surface mount package saves on PCB space