TC1121EOA - Microchip Technology

Manufacturer Part Number

TC1121EOA

Manufacturer

microchip-technology

Introduction

TC1121EOA is a ratiometric charge pump DC-DC switching regulator designed for power management applications, specifically to generate a negative output voltage from a positive input voltage.

Product Features and Performance

Ratiometric charge pump efficiently converts positive voltage to its negative counterpart

Capable of producing a fixed output voltage equal to the negative of the input voltage

Supports a wide input voltage range from 2.4V to 5.5V

Delivers up to 100mA of output current

Adjustable switching frequency from 10kHz to 200kHz

Operates within a temperature range of -40°C to 85°C

Designed for surface mount technology with an 8-SOIC package

Product Advantages

High efficiency in voltage conversion due to ratiometric charge pump design

Flexibility in application due to a broad input voltage range

Suitable for low power applications requiring up to 100mA

Customizable performance with an adjustable switching frequency

Reliability in various environmental conditions given the wide operational temperature range

Key Technical Parameters

Input Voltage (Min): 2.4V

Input Voltage (Max): 5.5V

Output Voltage (Min/Fixed): -Vin

Current Output: 100mA

Frequency Switching: 10kHz ~ 200kHz

Operating Temperature: -40°C ~ 85°C

Package: 8-SOIC

Quality and Safety Features

Complies with industry standards for quality and safety

Rugged design assures reliable operation under a range of environmental conditions

Compatibility

Compatible with a variety of digital and analog circuits requiring a negative voltage supply

Application Areas

Battery-powered devices

Portable instruments

Mixed-signal systems requiring negative biasing

Product Lifecycle

Obsolete status, implying discontinuation of production

Recommended to seek replacements or upgrades for long-term projects

Several Key Reasons to Choose This Product

High conversion efficiency suitable for battery-powered applications

Wide input voltage range offers versatility across different power levels

The ability to customize switching frequency for optimal performance

Reliable operation in diverse environmental conditions due to extensive temperature range

Ideal for designs needing compact, surface-mounted power solutions