器件名称:
TPS65051RSMRG4
功能描述:
6-CHANNEL POWER MGMT IC WITH TWO STEP-DOWN CONVERTERS AND 4 LOW-INPUT VOLTAGE LDOs
文件大小:
1220.94KB 共41页
简 介:
TPS65050, TPS65051, TPS65052 TPS65054, TPS65056 www.ti.com SLVS710 – JANUARY 2007 6-CHANNEL POWER MGMT IC WITH TWO STEP-DOWN CONVERTERS AND 4 LOW-INPUT VOLTAGE LDOs FEATURES Up To 95% Efficiency Output Current for DC/DC Converters: – TPS65050: 2 x 0.6 A – TPS65051: DCDC1 = 1 A; DCDC2 = 0.6 A – TPS65052: DCDC1 = 1 A; DCDC2 = 0.6 A – TPS65054: 2 x 0.6 A – TPS65056: DCDC1 = 1 A; DCDC2 = 0.6 A Output Voltages for DC/DC Converters – TPS65050: Externally Adjustable – TPS65051: Externally Adjustable – TPS65052: DCDC1 = Fixed at 3.3 V; DCDC2 = 1 V / 1.3 V for Samsung Application Processors – TPS65054: DCDC1 = Externally Adjustable; DCDC2 = 1.3 V / 1.05 V for OMAP1710 Processor – TPS65056: DCDC1 = Fixed at 3.3 V; DCDC2 = 1 V / 1.3 V for Samsung Application Processors VI Range for DC/DC Converters From 2.5 V to 6 V 2.25-MHz Fixed Frequency Operation Power Save Mode at Light Load Current 180° Out-of-Phase Operation Output Voltage Accuracy in PWM mode ±1% Low Ripple PFM Mode Total Typical 32-A Quiescent Current for Both DC/DC Converters 100% Duty Cycle for Lowest Dropout Two General-Purpose 400-mA, High PSRR LDOs Two General-Purpose 200-mA, High PSRR LDOs VI range for LDOs from 1.5 V to 6.5 V Digital Voltage Selection for the LDOs Available in a 4 mm x 4 mm 32-Pin QFN Package APPLICATIONS Cell Phones, Smart-Phones WLAN PDAs, Pocket PCs OMAP and Low-Power TMS320 DSP Supply Samsung S3C24xx application processor Supply Portable Media Players DESCRIPTION The TPS6505x are integra……
