Product Summary

The TPS62303YZDT is a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications. Intended for low-power applications, the TPS62303YZDT supports up to500-mA load current and allows the use of tiny, low cost chip inductor and capacitors. The applications of the TPS62303YZDT include Cell Phones, Smart-Phones, WLAN and Bluetooth, Applications, Micro DC-DC Converter Modules, PDAs, Pocket PCs, USB-Based DSL Modems, Digital Cameras.

Parametrics

TPS62303YZDT absolute maximum ratings: (1)VI, Voltage at VIN, AVIN(2): -0.3 V to 7 V; Voltage at SW(2): -0.3 V to 7 V; Voltage at FB, ADJ: -0.3V to 3.6 V; Voltage at EN, MODE/SYNC(2): -0.3 V to VI + 0.3V; Voltage at VOUT(2): 0.3 V to 5.4 V; (2)IO, Continuous output current: 500 mA; (3)Power dissipation: Internally limited; (4)TA, Operating temperature range: -40℃ to 85℃; (5)TJ(max), Maximum operating junction temperature: 150℃Tstg, Storage temperature range: -65℃ to 150℃.

Features

TPS62303YZDT features: (1)Up to 93% Efficiency at 3-MHz Operation; (2)Up to 500-mA Output Current at VI = 2.7 V; (3)3-MHz Fixed Frequency Operation; (4)Best in Class Load and Line Transient; (5)Complete 1-mm Component Profile Solution; (6)-0.5% / +1.3% PWM DC Voltage Accuracy Over Temperature; (7)35-ns Minimum On-Time; (8)Power-Save Mode Operation at Light Load current; (9)Fixed and Adjustable Output Voltage; (10)Only 86-μA Quiescent Current; (11)100% Duty Cycle for Lowest Dropout; (12)Synchronizable On the Fly to External Clock Signal; (13)Integrated Active Power-Down Sequencing; (14)Available in a 10-Pin QFN (3 x 3 mm) and Highly Reliable 8-Pin NanoFree and NanoStar (CSP) Packaging.

Diagrams

TPS62303YZDT block diagram

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