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TPS63050YFFR Datasheet(PDF) 1 Page - Texas Instruments |
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TPS63050YFFR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 27 page IIN_MAX 0.65*IIN_MAX 0.4*IIN_MAX Low Current LIMIT set ILIM0 ILIM1 V IN L1 VIN EN ILIM0 GND L2 VOUT FB L 1 1.5 µH C 2 2.5 V to 5.5 V V OUT 3.3 V /500m A TPS63051 SS C 1 10µF 10µF 1M R 2 C 3 PG 1nF PFM/ PWM ILIM1 High High High High Low Low Low 0.5*IIN_MAX TPS63051 www.ti.com SLVSAM8 – JULY 2013 SINGLE INDUCTOR BUCK-BOOST WITH 1A SWITCHES AND ADJUSTABLE SOFT START Check for Samples: TPS63051 1 FEATURES • Tablet PCs • PC and Smart Phone Accessories • 2.5V to 5.5V Input Voltage Range • USB Powered Applications • 0.5A Continuous Output Current : VIN ≥2.5V, VOUT = 3.3V DESCRIPTION • Real Buck or Boost Operation for Highest The TPS63051 is high efficiency, low quiescent Efficiency current buck-boost converter suitable for applications • Efficiency >90% in Boost Mode and >95% in where the input voltage can be higher or lower than Buck Mode the output voltage . Output currents can go as high • Seamless Buck-Boost and PFM-PWM as 500mA in boost mode and as high as 1A in buck mode. The buck-boost converter is based on a fixed transition with the lowest Output Voltage frequency, pulse-width-modulation (PWM) controller Ripple using synchronous rectification to obtain maximum • 2.5MHz Typical Switching Frequency efficiency. At low load currents, the converter enters • Adjustable Average Input Current Limit Power Save Mode to maintain high efficiency over a wide load current range. The maximum average input • Adjustable Soft Start current in the switches is limited to a typical value of • Device Quiescent Current Less Than 50 μA 1A. The converter can be disabled to minimize • Power Save Mode battery drain. During shutdown, the load is • Load Disconnect During Shutdown disconnected from the battery. The device is packaged in a 12-pin WCSP package measuring • Over-Temperature Protection 1.6mm × 1.2mm. • Small 1.6mm x 1.2mm, 12-pin WCSP package APPLICATIONS • Cellular Phones, Smart phones Figure 1. Typical Circuit 1 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. PRODUCTION DATA information is current as of publication date. Copyright © 2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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