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TPS60403-Q1

Texas Instruments

Unregulated 60-mA Charge Pump Voltage Inverter

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS60400-Q1, TPS60401-Q1, TPS6...


TPS60403-Q1

Texas Instruments


Octopart Stock #: O-1500476

Findchips Stock #: 1500476-F

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Description
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS60400-Q1, TPS60401-Q1, TPS60402-Q1, TPS60403-Q1 SGLS246B – JUNE 2004 – REVISED OCTOBER 2016 TPS6040x-Q1 Unregulated 60-mA Charge Pump Voltage Inverter 1 Features •1 Qualified for Automotive Applications • AEC-Q100 Test Guidance With the Following Results:
More View – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range – Device HBM ESD Classification Level 2 – Device CDM ESD Classification Level C6 • Inverts Input Supply Voltage • Up to 60-mA Output Current • Only Three Small 1-µF Ceramic Capacitors Needed • Input Voltage Range From 1.8 V to 5.25 V • PowerSave-Mode for Improved Efficiency at Low Output Currents (TPS60400-Q1) • Device Quiescent Current Typical: 100 µA • Integrated Active Schottky-Diode for Start-Up Into Load • Small 5-Pin SOT23 Package • Evaluation Module Available: TPS60400EVM-178 2 Applications • Automotive Infotainment • Automotive Cluster • LCD Displays • Negative Supply Voltages Typical Application Circuit C (fly) 1 µF Input 1.8 V to 5.25 V CI 1 µF 3 5 C FLY− C FLY+ 2 TPS60400-Q1 1 IN OUT GND 4 CO 1 µF Output −1.6 V to −5 V, Max 60 mA Copyright © 2016, Texas Instruments Incorporated 3 Description The TPS6040x-Q1 family of devices generate an unregulated negative output voltage from an input voltage ranging from 1.8 V to 5.25 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. Replacing the Schottky diode typically needed for start-up into load with integrated circuitry can achieve additional board area and component count reduction. The TPS6040x-Q1 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 TPS60401/2/3-Q1 with 20-kHz, 50-kHz, and 250-kHz fixed frequency operation are available. TPS60400-Q1 device 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. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS6040x-Q1 SOT-23 (5) 2.80 mm × 2.90 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Output Voltage vs Input Voltage 0 IO = 60 mA −1 IO = 30 mA IO = 1 mA −2 −3 VO − Output Voltage − V −4 TA = 25°C −5 0 1 2 3 4 5 VI − Input Voltage − V 1 An IMPORTANT NOTICE at the end of this data sheet addresses availa






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