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TPS60400 Datasheet PDF

Part Series:
TPS60400 Series
Category:
-
Description:
60mA Charge Pump Voltage Inverter with Variable Switching Frequency
Updated Time: 2023/01/13 02:11:09 (UTC + 8)

TPS60400 Datasheet PDF -

29 Pages
TI
Evaluation Module for TPS6040x Family of Unregulated Voltage Inverters, 1.8 to 5V Input Voltage
29 Pages
TI
Charge Pump INV -1.6V to -5.25V 60mA 5Pin SOT-23 T/R
29 Pages
TI
60mA Charge Pump Voltage Inverter with Variable Switching Frequency
29 Pages
TI
Unregulated 60mA Charge Pump Voltage Inverter

TPS60400 - TI Specifications

TYPE
DESCRIPTION
Case/Package
SOT-23-5
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TPS60400 - TI Function Overview

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.
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.
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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