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TPS62021DRCR-TPS62021DRCRG4
Adjustable, 600-mA, 95% Efficient Step-Down Converter, 18uA, Active-Low Mode in QFN-10
www.ti.com
FEATURES DESCRIPTION
APPLICATIONS
Typical Application Circuit (600-mA Output Current)
VIN
VIN
MODE
PGND
PGND
GND 9
TPS62020
10 μF
2.5 V to 6 V
10 μH
10 μF
0.7 V to VI / 600 mA
Efficiency − %
EFFICIENCY
LOAD CURRENT
VO = 1.8 V
Mode = Low
VI = 5 V
VI = 3.6 V
VI = 2.7 V
TPS62020
TPS62021
TPS62026SLVS076C–JUNE 2003–REVISED DECEMBER 2004
600 mA/1.25 MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER Upto 95% Conversion Efficiency The TPS6202x isa high efficiency synchronous
step-down dc-dc converter optimized for battery pow-•
Typical Quiescent Current:18µAered portable applications. This deviceis ideal for•
Load Current: 600 mA•
Operating Input Voltage Range: 2.5Vto 6.0V Frequency: 1.25 MHz••
PowerCurrents•
Active-Low•
100%•
Internal•
Dynamic Positioning•
Thermal Shutdown•
Short-Circuit•
10 Pin MSOP Package 10 Pin QFN3X3 mm Package PDA, Pocket PC and Smart Phones USB Powered Modems CPUs and DSPs PC Cards and Notebooks xDSL Applications Standard 5-Vto 3.3-V Conversion