The TPS60400DBVT is a versatile and efficient voltage inverter chip produced by Texas Instruments, designed to meet the needs of a wide array of applications that require a stable and reliable negative voltage supply. This compact, surface-mount device comes in a SOT-23-5 package, making it an ideal solution for space-constrained applications.

Key Features

• High Efficiency: The TPS60400DBVT employs a switched-capacitor voltage conversion method that achieves high power efficiency, which is crucial for battery-operated devices.
• Adjustable Output: This chip offers an adjustable output voltage that can be set with two external resistors, providing design flexibility for various applications.
• Low Noise: It features a low-noise operation due to its constant switching frequency, which minimizes interference with other components in the system.
• Unregulated Output: The output is unregulated, which allows the device to provide a higher output current when the input voltage is closer to the desired output voltage.
• Wide Input Voltage Range: The TPS60400DBVT supports an input voltage range from 1.6V to 5.5V, accommodating a variety of power sources.

Applications

The device is suitable for a broad spectrum of applications, including but not limited to:

• Battery-powered equipment
• Handheld devices
• Medical instrumentation
• Portable media players
• Operational amplifier power supplies

Technical Specifications

Parameter Value Input Voltage Range 1.6V to 5.5V Output Voltage (Adjustable) -1.5V to -Vin Maximum Output Current 60mA Package SOT-23-5 Switching Frequency 20kHz to 250kHz

The TPS60400DBVT is a testament to Texas Instruments' commitment to providing innovative and reliable power management solutions. Its combination of efficiency, flexibility, and low noise operation makes it a preferred choice for designers looking to implement a negative voltage rail in their products.