Description
Product Overview
Texas Instruments TPS60400DBVR
The TPS6040x family of devices generates an unregulated negative output voltage from an input voltage ranging from 1.6 V to 5.5 V. The devices are typically supplied by a preregulated supply rail of 5 V or 3.3 V. Due to its wide input voltage range, two or three NiCd, NiMH, or alkaline battery cells, as well as one Li-Ion cell can also power them.
Only three external 1-μF capacitors are required to build a complete DC-DC charge pump inverter Assembled in a 5-pin SOT-23 package, the complete converter can be built on a 50-mm2 board area Additional board area and component count reduction is achieved by replacing the Schottky diode that is typically needed for start-up into load by integrated circuitry.
Features of Texas Instruments TPS60400DBVR
- Inverts Input Supply Voltage
- Up to 60-mA Output Current
- Only Three Small 1-μF Ceramic Capacitors Needed
- Input Voltage Range From 1.6 V to 5.5 V
- PowerSave-Mode for Improved Efficiency at Low- Output Currents (TPS60400)
- Device Quiescent Current Typical 65 μA
- Integrated Active Schottky-Diode for Start-up Into Load
Applications of TPS60400DBVR
- LCD Bias
- GaAs Bias for RF Power Amps
- Sensor Supply in Portable Instruments
- Bipolar Amplifier Supply
- Medical Instruments
- Battery-Operated Equipment
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