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TPS62229DDCTTIN/a6000avai1.7-V Output, 400-mA, 95% Efficient Step-Down Converter, 15uA, ThinSOT-23


TPS62229DDCT ,1.7-V Output, 400-mA, 95% Efficient Step-Down Converter, 15uA, ThinSOT-23FEATURESDESCRIPTION2• High-Efficiency Synchronous Step-DownConverter With up to 95% EfficiencyThe T ..
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TPS62229DDCT
1.7-V Output, 400-mA, 95% Efficient Step-Down Converter, 15uA, ThinSOT-23
1FEATURES
DESCRIPTION
APPLICATIONS
GND
4.7F
m
4.7H
mFm
TPS62220
2.5 V to 6 V
360 kW
180 kW
22 pF
100 pF
TPS62220,
, TPS62221,, TPS62222
TPS62223, TPS62224, TPS62225
TPS62227, TPS62228, TPS62229
www.ti.com.......................................................................................................................................
SLVS491E–SEPTEMBER 2003–REVISED FEBRUARY 2009
400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23 High-Efficiency Synchronous Step-Down
Converter With upto 95% Efficiency
The TPS6222x devices area familyof high-efficiency,
synchronous step-down converters ideally suited for• 2.5-Vto 6-V Input Voltage Range
portable systems powered by 1-cell Li-Ionor 3-cell• Adjustable Output Voltage Range From 0.7V NiMH/NiCd batteries. The devices are also suitabletotoVI operate froma standard 3.3-Vor 5-V voltage rail.• Fixed Output Voltage Options Available With an output voltage rangeof6V downto 0.7V• Upto 400-mA Output Current and upto 400-mA output current, the devices are• 1.25-MHz Fixed Frequency PWM Operation ideal
family• Highest Efficiency Over Wide Load Current
andRange Dueto Power-Save Mode devices• 15 μA Typical Quiescent Current typically• Soft Start enters
frequency• 100% Duty Cycle Low-Dropout Operation typically• Dynamic Output-Voltage Positioning the• Availablein TSOT23 Package range.
external
package,
achieved.• PDAs and Pocket PC control• Cellular Phones, Smart Phones regulation• OMAP™ and Low Power DSP Supply capacitors.• Digital Cameras Portable Media Players Portable Equipment WLAN PC Cards
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