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TPS62204DBVTG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS62204DBVTG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 24 page www.ti.com FEATURES DESCRIPTION APPLICATIONS VI GND EN SW FB C1 4.7 µF L1 10 µH C2 10 µF TPS62202 VI 2.5 V − 6 V VO 1.8 V / 300 mA 1 5 2 3 4 40 45 50 55 60 65 70 75 80 85 90 95 100 0.010 0.100 1 10 100 1000 EFFICIENCY vs LOAD CURRENT IL −Load Current − mA VO = 1.8 V VI = 2.7 V VI = 3.7 V VI = 5 V TPS62200 ,, TPS62201 TPS62202, TPS62203, TPS62207 TPS62204, TPS62205, TPS62208 SLVS417E – MARCH 2002 – REVISED MAY 2006 HIGH-EFFICIENCY, SOT23 STEP-DOWN, DC-DC CONVERTER • High Efficiency Synchronous Step-Down The TPS6220x devices are a family of high-efficiency Converter With up to 95% Efficiency synchronous step-down converters ideally suited for • 2.5-V to 6-V Input Voltage Range portable systems powered by 1-cell Li-Ion or 3-cell • Adjustable Output Voltage Range From 0.7 V NiMH/NiCd batteries. The devices are also suitable to VI to operate from a standard 3.3-V or 5-V voltage rail. • Fixed Output Voltage Options Available With an output voltage range of 6 V down to 0.7 V • Up to 300 mA Output Current and up to 300 mA output current, the devices are ideal to power low voltage DSPs and processors • 1-MHz Fixed Frequency PWM Operation used in PDAs, pocket PCs, and smart phones. • Highest Efficiency Over Wide Load Current Under nominal load current, the devices operate with Range Due to Power Save Mode a fixed switching frequency of typically 1 MHz. At • 15-µA Typical Quiescent Current light load currents, the part enters the power save mode operation; the switching frequency is reduced • Soft Start and the quiescent current is typically only 15 µA; • 100% Duty Cycle Low-Dropout Operation therefore, it achieves the highest efficiency over the • Dynamic Output-Voltage Positioning entire load current range. The TPS6220x needs only three small external components. Together with the • Available in a 5-Pin SOT23 Package SOT23 package, a minimum system solution size is achieved. An advanced fast response voltage mode control scheme achieves superior line and load • PDAs and Pocket PC regulation with small ceramic input and output • Cellular Phones, Smart Phones capacitors. • Low Power DSP Supply • Digital Cameras • Portable Media Players • Portable Equipment Figure 1. Typical Application (Fixed Output Voltage Version) 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. PRODUCTION DATA information is current as of publication date. Copyright © 2002–2006, 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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