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TPS62007 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS62007 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page TPS62000, TPS62001, TPS62002, TPS62003 TPS62004, TPS62005, TPS62006, TPS62007, TPS62008 HIGHEFFICIENCY STEPDOWN LOW POWER DCDC CONVERTER SLVS294C − SEPTEMBER 2000 − REVISED SEPTEMBER 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 FEATURES D High-Efficiency Synchronous Step-Down Converter With Greater Than 95% Efficiency D 2 V to 5.5 V Operating Input Voltage Range D Adjustable Output Voltage Range From 0.8 V to VI D Fixed Output Voltage Options Available in 0.9 V, 1 V, 1.2 V, 1.5 V, 1.8 V, 1.9 V, 2.5 V, and 3.3 V D Synchronizable to External Clock Signal up to 1 MHz D Up to 600 mA Output Current D Pin-Programmable Current Limit D High Efficiency Over a Wide Load Current Range in Power Save Mode D 100% Maximum Duty Cycle for Lowest Dropout D Low-Noise Operation Antiringing Switch and PFM/PWM Operation Mode D Internal Softstart D 50-µA Quiescent Current (TYP) D Available in the 10-Pin Microsmall Outline Package (MSOP) D Evaluation Module Available D Available in a Ultra-Small, 12-Pin NanoStar E (Wafer Chip-Scale) Package APPLICATIONS D Low-Power CPUs and DSPs D Cellular Phones D Organizers, PDAs, and Handheld PCs D MP-3 Portable Audio Players D Digital Cameras D USB-Based DSL Modems and Other Network Interface Cards description The TPS6200x devices are a family of low-noise synchronous step-down dc-dc converters that are ideally suited for systems powered from a 1-cell Li-ion battery or from a 2- to 3-cell NiCd, NiMH, or alkaline battery. The TPS6200x operates typically down to an input voltage of 1.8 V, with a specified minimum input voltage of 2 V. 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 1000 EFFICIENCY vs LOAD CURRENT IO − Load Current − mA VI = 3.6 V, VO = 2.5 V Figure 1 VIN 1 8 6 7 32 9 5 10 4 10 µH EN ILIM SYNC GND FC PG PGND FB L TPS6200x † 10 µF VO = 0.8 V to VI PG 0.1 µF 10 µF VI = 2 V to 5.5 V † With VO ≥1.8 V; Co = 10 µF, VO <1.8 V; Co = 47 µF Figure 2. Typical Application Circuit for Fixed Output Voltage Option SYNC = Low SYNC = High Copyright 2002−2003, 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. 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. |
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