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TPS65054RSMTG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS65054RSMTG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 37 page www.ti.com FEATURES APPLICATIONS DESCRIPTION TPS65050, TPS65051, TPS65052 TPS65054, TPS65056 SLVS710 – JANUARY 2007 6-CHANNEL POWER MGMT IC WITH TWO STEP-DOWN CONVERTERS AND 4 LOW-INPUT VOLTAGE LDOs • Cell Phones, Smart-Phones • Up To 95% Efficiency • WLAN • Output Current for DC/DC Converters: • PDAs, Pocket PCs – TPS65050: 2 x 0.6 A • OMAP™ and Low-Power TMS320™ DSP – TPS65051: DCDC1 = 1 A; DCDC2 = 0.6 A Supply – TPS65052: DCDC1 = 1 A; DCDC2 = 0.6 A • Samsung S3C24xx application processor – TPS65054: 2 x 0.6 A Supply – TPS65056: DCDC1 = 1 A; DCDC2 = 0.6 A • Portable Media Players • Output Voltages for DC/DC Converters – TPS65050: Externally Adjustable The TPS6505x are integrated Power Management – TPS65051: Externally Adjustable ICs for applications powered by one Li-Ion or – TPS65052: DCDC1 = Fixed at 3.3 V; Li-Polymer cell, which require multiple power rails. DCDC2 = 1 V / 1.3 V for Samsung The TPS6505x provides two efficient, 2.25-MHz Application Processors step-down converters targeted at providing the core – TPS65054: DCDC1 = Externally Adjustable; voltage and I/O voltage in a processor based DCDC2 = 1.3 V / 1.05 V for OMAP™1710 system. Both step-down converters enter a low power mode at light load for maximum efficiency Processor across the widest possible range of load currents. – TPS65056: DCDC1 = Fixed at 3.3 V; DCDC2 = 1 V / 1.3 V for Samsung For low noise applications, the devices can be forced Application Processors into fixed frequency PWM mode by pulling the MODE pin high. In the shutdown mode, the current • V I Range for DC/DC Converters consumption is reduced to less than 1 µA. The From 2.5 V to 6 V devices allow the use of small inductors and • 2.25-MHz Fixed Frequency Operation capacitors to achieve a small solution size. • Power Save Mode at Light Load Current TPS6505x provides an output current of up to 1 A on each DC/DC converter. The TPS6505x also integrate • 180° Out-of-Phase Operation two 400-mA LDO and two 200-mA LDO voltage • Output Voltage Accuracy in PWM mode ±1% regulators, which can be turned on/off using separate • Low Ripple PFM Mode enable pins on each LDO. Each LDO operates with an input voltage range between 1.5 V and 6.5 V • Total Typical 32-µA Quiescent Current for allowing them to be supplied from one of the Both DC/DC Converters step-down converters or directly from the main • 100% Duty Cycle for Lowest Dropout battery. • Two General-Purpose 400-mA, High PSRR Four digital input pins are used to set the output LDOs voltage of the LDOs from a set of 16 different • Two General-Purpose 200-mA, High PSRR combinations for LDO1 to LDO4 on TPS65050 and LDOs TPS65052. In TPS65051, TPS65054 and TPS65056, the LDO voltages are adjustable using external • V I range for LDOs from 1.5 V to 6.5 V resistor dividers. • Digital Voltage Selection for the LDOs The TPS6505x come in a small 32-pin leadless • Available in a 4 mm x 4 mm 32-Pin QFN package (4 mm x 4 mm QFN) with a 0.4 mm pitch. Package 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. OMAP, TMS320, PowerPAD are trademarks of Texas Instruments. UNLESS OTHERWISE NOTED this document contains Copyright © 2007, Texas Instruments Incorporated PRODUCTION DATA information 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. |
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