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TPS62313YZDT Datasheet(PDF) 1 Page - Texas Instruments |
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TPS62313YZDT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 37 page QFN-10 CSP-8 1 FEATURES DESCRIPTION APPLICATIONS VIN SW TPS62303YZD ADJ C1 C2 VOUT EN MODE/SYNC FB A2 B2 C1 B1 D1 C2 D2 GND A1 4.7 µF VI 2.7 V . . 6 V 4.7 µF VO 1.8 V/500 mA L1 1 µH 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 1 k VI = 3.6 V, VO = 1.8 V L = 2.2 µH, CO = 4.7 µF IO − Load Current − mA TPS62300, TPS62301, TPS62302 TPS62303, TPS62304, TPS62305, TPS62311, TPS62313, TPS62315, TPS62320, TPS62321 SLVS528E – JULY 2004 – REVISED NOVEMBER 2007 www.ti.com 500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING 234 • Up to 93% Efficiency at 3-MHz Operation • Up to 500-mA Output Current at V I = 2.7 V The TPS623xx device is a high-frequency • 3-MHz Fixed Frequency Operation synchronous step-down dc-dc converter optimized for • Best in Class Load and Line Transient battery-powered portable applications. Intended for low-power applications, the TPS623xx supports up to • Complete 1-mm Component Profile Solution 500-mA load current and allows the use of tiny, low • -0.5% / +1.3% PWM DC Voltage Accuracy Over cost chip inductor and capacitors. Temperature The device is ideal for mobile phones and similar • 35-ns Minimum On-Time portable applications powered by a single-cell Li-Ion • Power-Save Mode Operation at Light Load battery or by 3-cell NiMH/NiCd batteries. With an Currents output voltage range from 5.4 V down to 0.6 V, the • Fixed and Adjustable Output Voltage device supports the low-voltage TMS320™ DSP family, processors in smart-phones, PDAs as well as • Only 86-µA Quiescent Current notebooks, and handheld computers. • 100% Duty Cycle for Lowest Dropout The TPS62300 operates at 3-MHz fixed switching • Synchronizable On the Fly to External frequency and enters the power-save mode operation Clock Signal at light load currents to maintain high efficiency over • Integrated Active Power-Down Sequencing the entire load current range. For low noise (TPS6232x only) applications, the device can be forced into fixed frequency PWM mode by pulling the MODE/SYNC • Available in a 10-Pin QFN (3 x 3 mm), 8-Pin pin high. The device can also be synchronized to an NanoFree™, and NanoStar™ (CSP) Packaging external clock signal in the range of 3 MHz. In the shutdown mode, the current consumption is reduced to less than 1 µA. • Cell Phones, Smart-Phones The TPS623xx is available in a 10-pin leadless • WLAN and Bluetooth™ Applications package (3 x 3 mm QFN) and an 8-pin chip-scale • Micro DC-DC Converter Modules package (CSP). • PDAs, Pocket PCs • USB-Based DSL Modems • Digital Cameras Figure 1. Smallest Solution Size Application (Fixed Output Voltage) Figure 2. Efficiency vs Load Current 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. 2 NanoFree, NanoStar, TMS320 are trademarks of Texas Instruments. 3 Bluetooth is a trademark of Bluetooth SIG, Inc. 4 PowerPAD is a trademark of Texas Instsruments. PRODUCTION DATA information is current as of publication date. Copyright © 2004–2007, 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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