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TPS63050RMWR Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS63050RMWR Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 20 page Output Current (mA) TPS63051 VIN = 2.8V, VOUT = 3.3V VIN = 3.6V, VOUT = 3.3V 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 / 500mA TPS63051 SS C 1 10µF 10µF 1M R 2 C 3 PG 1nF PFM/ PWM ILIM1 V IH or VIL V IH or VIL C 3 10µF Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS63050, TPS63051 SLVSAM8C – JULY 2013 – REVISED JULY 2015 TPS6305x Single Inductor Buck-Boost With 1-A Switches and Adjustable Soft Start Continuous output current can go as high as 500 mA 1 Features in boost mode and as high as 1 A in buck mode. The 1 • Real Buck or Boost with Seamless Transition maximum average current in the switches is limited to Between Buck and Boost Mode a typical value of 1 A. The TPS6305x family of • 2.5 V to 5.5 V Input Voltage Range devices regulate the output voltage over the complete input voltage range by automatically switching • 0.5-A Continuous Output Current: VIN ≥ 2.5 V, between buck or boost mode depending on the input VOUT = 3.3 V voltage, ensuring seamless transition between • Adjustable and Fixed Output Voltage Version modes. • Efficiency > 90% in Boost Mode and > 95% in The buck-boost converter is based on a fixed- Buck Mode frequency, pulse-width-modulation (PWM) controller • 2.5-MHz Typical Switching Frequency using synchronous rectification to obtain the highest efficiency. At low load currents, the converter enters • Adjustable Average Input Current Limit Power Save Mode to maintain high efficiency over • Adjustable Soft-Start Time the complete load current range. • Device Quiescent Current < 60 μA The PFM/PWM pin allows the user to select between • Automatic Power Save Mode or Forced PWM automatic-PFM/PWM mode operation and forced- Mode PWM operation. During PWM mode a fixed-frequency • Load Disconnect During Shutdown of typically 2.5 MHz is used. The output voltage is programmable using an external resistor divider, or is • Overtemperature Protection fixed internally on the chip. The converter can be • Small 1.6mm x 1.2mm, 12-pin WCSP and 2.5mm disabled to minimize battery drain. During shutdown, x 2.5mm 12-pin HotRod™ QFN package the load is disconnected from the battery. The device is packaged in a 12-pin DSBGA and in a 12-pin 2 Applications HotRod package. • Cellular and Smart Phones Device Information (1) • Tablets PC PART NUMBER PACKAGE BODY SIZE (NOM) • PC and Smart Phone Accessories TPS63050 DSBGA (12) 1.56mm x 1.16mm • Battery Powered Applications TPS63051 VQFN (12) 2.50mm × 2.50mm • Smart Grid/Smart Meter (1) For all available packages, see the orderable addendum at the end of the datasheet. 3 Description The TPS6305x family of devices is a high efficiency, low quiescent-current buck-boost converter, suitable for applications where the input voltage is higher or lower than the output. Efficiency vs Output Current Simplified Schematic (WCSP) 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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