Description
www.ti.com CSP-6 TPS62619, TPS62612 TPS62615, TPS62616 SLVS936A * NOVEMBER 2009 * REVISED MARCH 2010 350-mA, 6-MHz HIGH-EFFICIENCY ST.
The TPS6261x device is a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications.
Features
* 1
* 23 90% Efficiency at 6MHz Operation
* 31mA Quiescent Current
* Wide VIN Range From 2.3V to 5.5V
* 6MHz Regulated Frequency Operation
* Best in Class Load and Line Transient
* ±2% Total DC Voltage Accuracy
* Automatic PFM/PWM Mode Switching
Applications
* Cell Phones, Smart-Phones
* WLAN, GPS and Bluetoothâ„¢ Applications
* DTV Tuner Applications
* DC/DC Micro Modules
l l
VBAT 2.9 V . . 5.5 V
CI 2.2 mF
TPS6261x VIN
EN
L SW
0.47 mH
FB
GND
MODE
VOUT 1.8 V @ 350mA
CO 4.7 mF
Figure 1. Smallest Solution Size Applicati