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TPS60403DBVT

製品説明
仕様・特性

TPS60400, TPS60401, TPS60402, TPS60403 UNREGULATED 60ĆmA CHARGE PUMP VOLTAGE INVERTER SLVS324A − JULY 2001 REVISED NOVEMBER 2004 features applications D Inverts Input Supply Voltage D Up to 60-mA Output Current D Only Three Small 1-µF Ceramic Capacitors D D D D D D Needed D Input Voltage Range From 1.6 V to 5.5 V D PowerSave-Mode for Improved Efficiency D D D D at Low Output Currents (TPS60400) Device Quiescent Current Typical 65 µA Integrated Active Schottky-Diode for Start-Up Into Load Small 5-Pin SOT23 Package Evaluation Module Available TPS60400EVM−178 LCD Bias GaAs Bias for RF Power Amps Sensor Supply in Portable Instruments Bipolar Amplifier Supply Medical Instruments Battery-Operated Equipment DBV PACKAGE (TOP VIEW) OUT 1 IN 2 CFLY− 3 5 CFLY+ 4 GND 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. typical application circuit TPS60400 C(fly) 1 µF CFLY− 2 CI 1 µF 0 IO = 60 mA 5 TPS60400 IN OUT GND 4 IO = 30 mA −1 CFLY+ 1 CO 1 µF Output −1.6 V to −5.5 V, Max 60 mA V O − Output Voltage − V 3 Input 1.6 V to 5.5 V OUTPUT VOLTAGE vs INPUT VOLTAGE IO = 1 mA −2 −3 −4 TA = 25°C −5 0 1 2 3 4 VI − Input Voltage − V 5 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. Copyright  2001−2004, Texas Instruments Incorporated 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. WWW.TI.COM 1

ブランド

TI

会社名

Texas Instruments Incorporated

本社国名

U.S.A

事業概要

世界25ヶ国以上に製造・販売拠点を有する国際的な半導体企業であり、デジタル情報家電、ワイヤレス、ブロードバンド市場に欠かせないデジタル信号処理を行うDSPと、それに関連するアナログIC、マイクロコントローラを主力製品としている。

供給状況

 
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