TPS60403DBVR Switching Voltage Regulators TPS60403DBVR TPS60403DBV TPS60403 SOT-23-5

Description

TPS6040x Unregulated 60-mA Charge Pump Voltage Inverter

TPS60400, TPS60401, TPS60402, TPS60403

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.

The TPS6040x can deliver a maximum output current of 60 mA with a typical conversion efficiency of greater than 90% over a wide output current range. Three device options with 20-kHz, 50-kHz, and 250- kHz fixed-frequency operation are available. TPS60400 comes with a variable switching frequency to reduce operating current in applications with a wide load range and enables the design with low-value capacitors.

PART NUMBER

TPS60400DBV TPS60401DBV TPS60402DBV TPS60403DBV

PACKAGING INFORMATION

Features

• 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
• Small 5-Pin SOT-23 Package
• Evaluation Module Available TPS60400EVM-178

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