Description
TPS62650 CSP-9 TPS62651 www.ti.com SLVS808B * AUGUST 2009 * REVISED JULY 2011 800-mA, 6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER WI.
The TPS6265x device is a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications.
Features
* 1
* 2 86% Efficiency at 6 MHz Operation
* 38μA Quiescent Current
* Wide VIN Range From 2.3 V to 5.5 V
* 6MHz Regulated Frequency Operation
* Best-In-Class Load and Line Transient
* ±2% PWM DC Voltage Accuracy
* Automatic PFM/PWM Mode Switching
Applications
* SmartReflex™ Compliant Power Supply
* OMAP™ Application Processor Core Supply
* Cell Phones, Smart-Phones
* Micro DC-DC Converter Modules
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VI 2.3 V . . 5.5 V
C1 4.7mF
TPS62650
VIN FB SW
GND
L1 0.47 mH
VO
C2 4.7mF
VO = Roof VO = Floor
I2C Bus up to 3.4