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TPS60401 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS60401 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 29 page - 5 - 4 - 3 - 2 - 1 0 0 1 2 3 4 5 IO = 60 mA IO = 30 mA IO = 1 mA TA = 25°C VI - Input Voltage - V TPS60400 CFLY- CFLY+ 3 5 OUT IN GND 1 2 4 CI 1 µF CO 1 µF Output -1.6 V to -5.5 V, Max 60 mA Input 1.6 V to 5.5 V C(fly) 1 µF Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS60400, TPS60401 TPS60402, TPS60403 SLVS324B – JULY 2001 – REVISED APRIL 2015 TPS6040x Unregulated 60-mA Charge Pump Voltage Inverter 1 Features 3 Description The TPS6040x family of devices generates an 1 • Inverts Input Supply Voltage unregulated negative output voltage from an input • Up to 60-mA Output Current voltage ranging from 1.6 V to 5.5 V. The devices are • Only Three Small 1-µF Ceramic Capacitors typically supplied by a preregulated supply rail of 5 V Needed or 3.3 V. Due to its wide input voltage range, two or three NiCd, NiMH, or alkaline battery cells, as well as • Input Voltage Range From 1.6 V to 5.5 V one Li-Ion cell can also power them. • PowerSave-Mode for Improved Efficiency at Low- Only three external 1-µF capacitors are required to Output Currents (TPS60400) build a complete DC-DC charge pump inverter. • Device Quiescent Current Typical 65 µA Assembled in a 5-pin SOT-23 package, the complete • Integrated Active Schottky-Diode for Start-up Into converter can be built on a 50-mm2 board area. Load Additional board area and component count reduction is achieved by replacing the Schottky diode that is • Small 5-Pin SOT-23 Package typically needed for start-up into load by integrated • Evaluation Module Available TPS60400EVM-178 circuitry. 2 Applications The TPS6040x can deliver a maximum output current of 60 mA with a typical conversion efficiency of • LCD Bias greater than 90% over a wide output current range. • GaAs Bias for RF Power Amps Three device options with 20-kHz, 50-kHz, and 250- kHz fixed-frequency operation are available. • Sensor Supply in Portable Instruments TPS60400 comes with a variable switching frequency • Bipolar Amplifier Supply to reduce operating current in applications with a • Medical Instruments wide load range and enables the design with low- • Battery-Operated Equipment value capacitors. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS6040x SOT-23 (5) 2.90 mm x 1.60 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Output Voltage vs Input Voltage Typical Application 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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