Texas Instruments

TL7660ID

TL7660ID Description

The TL7660ID from Texas Instruments is a fixed-output charge pump voltage inverter designed to generate negative voltages from a positive input supply. Operating within a 1.5V to 10V input range, it delivers a ratiometric output, making it ideal for applications requiring simple, efficient voltage inversion. Housed in an 8-pin SOIC package, this surface-mount IC employs a charge pump topology with a 10kHz switching frequency, eliminating the need for inductors and simplifying PCB design. Its single-output configuration supports both positive and negative output polarities, offering flexibility in power supply solutions.

TL7660ID Features

• Wide Input Range (1.5V–10V): Compatible with low-voltage and standard logic supplies.
• Ratiometric Output: Ensures consistent performance across varying input voltages.
• Inductorless Design: Charge pump topology reduces component count and board space.
• Low Power Consumption: Efficient switching at 10kHz minimizes energy loss.
• RoHS3 & REACH Compliant: Meets environmental and safety standards.
• Synchronous Rectifier-Free: Simplifies design while maintaining reliability.
• MSL 1 (Unlimited): Suitable for extended storage and handling.

TL7660ID Applications

The TL7660ID excels in systems requiring compact, noise-sensitive power solutions, such as:

• Signal Conditioning Circuits: Generating negative rails for op-amps and sensors.
• Portable Electronics: Powering LCD bias or low-voltage analog circuits in battery-operated devices.
• Data Acquisition Systems: Providing isolated or dual supplies for ADCs/DACs.
• Industrial Controls: Inverting voltages for legacy logic interfaces or instrumentation.

Conclusion of TL7660ID

The TL7660ID stands out for its simplicity, efficiency, and versatility in voltage inversion tasks. Its inductorless design and wide input range make it superior to traditional switched-mode regulators in space-constrained or noise-sensitive applications. Texas Instruments’ robust manufacturing ensures reliability for industrial, consumer, and automotive use cases. For engineers seeking a cost-effective, low-complexity solution for dual-rail generation, the TL7660ID is an optimal choice.