Manufacturer Part Number
TC1121COA
Manufacturer
Microchip Technology
Introduction
TC1121COA, a ratiometric charge pump DC-DC switching regulator by Microchip Technology.
Product Features and Performance
Ratiometric charge pump design allows for regulated output proportional to input
Provides a fixed negative output voltage config
Low operating frequency range from 10kHz to 200kHz
Power-efficient charge pump with minimal external components
Product Advantages
Compact 8-SOIC surface mount package suitable for space-constrained applications
Reliable power management choice for designs requiring negative output voltages
Key Technical Parameters
Single output
Min input voltage: 2.4V
Max input voltage: 5.5V
Fixed negative output voltage equivalent to negative input voltage (-Vin)
Max output current: 100mA
Non-synchronous rectification
Suitable for operation within 0°C to 70°C temperature range
Quality and Safety Features
Built with the consistent manufacturing quality expected from Microchip Technology
Complies with industry standards for electronic component safety
Compatibility
Tailored for systems requiring simplicity in achieving a negative voltage regulation
Ideal for surface mount technology (SMT) applications with its 8-SOIC packaging
Application Areas
Can be used in battery-powered devices, portable electronics, and wherever a negative supply voltage is required
Product Lifecycle
Product Status: Obsolete
Users should consider available replacement or upgrade options
Several Key Reasons to Choose This Product
If an existing design specifies this regulator and replacements or upgrades aren't feasible
Its simplicity in providing a negative output voltage from a positive input voltage could be ideal for certain designs
The product's low power operation and ease of integration may benefit power-sensitive projects
Microchip’s reputation for reliability might influence the decision to use remaining stock of this component