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TPS60403QDBVRQ1 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS60403QDBVRQ1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page TPS60400Q1, TPS60401Q1, TPS60402Q1, TPS60403Q1 UNREGULATED 60mA CHARGE PUMP VOLTAGE INVERTER SGLS246 − JUNE 2004 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 features D Qualification in Accordance With AEC-Q100† D Qualified for Automotive Applications D Customer-Specific Configuration Control Can Be Supported Along With Major-Change Approval D Inverts Input Supply Voltage D Up to 60-mA Output Current D Only Three Small 1-µF Ceramic Capacitors Needed D Input Voltage Range From 1.6 V to 5.5 V D PowerSave-Mode for Improved Efficiency at Low Output Currents (TPS60400) D Device Quiescent Current Typical 100 µA D Integrated Active Schottky-Diode for Start-Up Into Load † Contact Texas Instruments for details. Q100 qualification data available on request. D Small 5-Pin SOT23 Package D Evaluation Module Available TPS60400EVM−178 applications D LCD Bias D GaAs Bias for RF Power Amps D Sensor Supply in Portable Instruments D Bipolar Amplifier Supply description The TPS6040x is a family of devices that generate 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 SOT23 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. One 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. AVAILABLE OPTIONS PART NUMBER MARKING DBV PACKAGE TYPICAL FLYING CAPACITOR [ mF] FEATURE TPS60400QDBVRQ1 AWP 1 Variable switching frequency 50 kHz−250 kHz TPS60401QDBVRQ1 AWQ 10 Fixed frequency 20 kHz TPS60402QDBVRQ1 AWR 3.3 Fixed frequency 50 kHz TPS60403QDBVRQ1 AWS 1 Fixed frequency 250 kHz Copyright 2004, Texas Instruments Incorporated Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 3 2 4 5 DBV PACKAGE (TOP VIEW) 1 OUT IN CFLY− CFLY+ GND PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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