Texas Instruments

TPS60403DBVRG4

TPS60403DBVRG4 Description

The TPS60403DBVRG4 from Texas Instruments is a high-performance, ratiometric charge pump voltage inverter designed to generate a negative output voltage from a positive input supply. Operating within a wide input voltage range of 1.8V to 5.25V, it delivers a fixed inverted output voltage with a maximum output current of 60mA. This device utilizes a 250kHz switching frequency and features a compact SOT-23 package, making it ideal for space-constrained applications. Its charge pump topology eliminates the need for inductors, simplifying board design and reducing BOM costs. The TPS60403DBVRG4 is RoHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance.

TPS60403DBVRG4 Features

• Ratiometric Operation: Output voltage tracks the input voltage, ensuring consistent performance across varying supply conditions.
• Wide Input Range: Supports 1.8V to 5.25V, accommodating diverse power sources.
• High Efficiency: Achieves up to 90% efficiency with minimal external components.
• No Inductors Required: Charge pump design reduces footprint and complexity.
• Low Noise: Integrated switching frequency minimizes EMI interference.
• Robust Packaging: SOT-23 surface-mount package with MSL 1 (Unlimited) rating for easy handling and assembly.
• Synchronous Rectifier-Free: Simplifies design while maintaining performance.

TPS60403DBVRG4 Applications

• Portable Electronics: Ideal for generating negative bias voltages in smartphones, tablets, and wearables.
• LCD Displays: Provides negative rail for TFT-LCD bias supplies.
• Sensor Interfaces: Suitable for signal conditioning circuits requiring dual-polarity supplies.
• Audio Amplifiers: Generates negative rails for op-amps in audio systems.
• Industrial Systems: Used in low-power instrumentation and control modules.

Conclusion of TPS60403DBVRG4

The TPS60403DBVRG4 stands out as a versatile, efficient, and compact solution for voltage inversion in low-power applications. Its ratiometric operation, wide input range, and inductorless design make it superior to traditional LDOs or buck-boost converters in space-constrained designs. With Texas Instruments' reliability and compliance with RoHS3 standards, this IC is an excellent choice for portable, industrial, and consumer electronics requiring stable negative voltage generation.