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2N3904 Datasheet(PDF) 3 Page - Texas Instruments |
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2N3904 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 9 page www.ti.com Features 3 Features The design uses the following high-efficiency dc/dc converters with integrated FETs. HIGH EFFICIENCY (With DVFS) INPUT VOLTAGE ~12 V/3.3 V OUTPUT VOLTAGES Core 1.2 V at 600 mA TPS62353 Fixed 1.2 V + VRTC at 251 mA TPS62232 1.8 V at 230 mA TPS62231 3.3 V at 115 mA TPS62111 In the preceding table, VRTC is included in the STATIC12 (fixed 1.2-V) group. TPS62353 • 88% efficiency at 3-MHz operation • Output peak current up to 800 mA • 3-MHz fixed frequency operation • Best in class load and line transient • ±2% PWM dc voltage accuracy • Efficiency optimized Power-Save mode • Transient optimized Power-Save mode • Fixed 1.2-V output eliminates need for external voltage-setting resistors • Available in a 10-pin QFN (3 × 3 mm) 12-pin NanoFree™ (CSP) packaging TPS62231 and TPS62232 • 3-MHz switch frequency • Up to 94% efficiency • Output peak current up to 500 mA • Small external output filter components (1 mH/4.7 mF) • Small 1 × 1,5 × 0,6 mm 3 SON package • Fixed 1.8-V and 1.2-V output, respectively, eliminates need for external voltage-setting resistors TPS62111 • High-efficiency synchronous step-down converter with up to 95% efficiency • Up to 1.5-A output current • High efficiency over a wide load-current range due to PFM/PWM operation mode • Fixed 3.3-V output eliminates need for external voltage-setting resistors More information on the devices can be found in the data sheets. • TPS62111, SLVS585 • TPS62231 and TPS62232, SLVS941 • TPS62353, SLVS540 3 SLVA339A – June 2009 – Revised May 2010 High-Vin, High-Efficiency Power Solution Using DC/DC Converters With DVFS Copyright © 2009–2010, Texas Instruments Incorporated |
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