6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
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CSP-6
TPS62619, TPS62612 TPS62615, TPS62616
SLVS936A – NOVEMBER 2009 – REVISED MARCH 2010
350-mA, 6-MHz HIGH...
Description
www.ti.com
CSP-6
TPS62619, TPS62612 TPS62615, TPS62616
SLVS936A – NOVEMBER 2009 – REVISED MARCH 2010
350-mA, 6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER IN LOW PROFILE CHIP SCALE PACKAGING (HEIGHT < 0.4mm)
Check for Samples: TPS62619, TPS62612, TPS62615, TPS62616
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 Low Ripple Light-Load PFM Mode >50dB VIN PSRR (1kHz to 10kHz) Internal Soft-Start, 100-ms Start-Up Time Integrated Active Power-Down Sequencing
(Optional) Three Surface-Mount External Components
Required (One 0603 MLCC Inductor, Two 0402 Ceramic Capacitors) Complete Sub 0.4-mm Component Profile Solution Total Solution Size <10 mm2 Available in a 6-Pin NanoFree™ (CSP) Ultra-Thin Packaging
APPLICATIONS
Cell Phones, Smart-Phones WLAN, GPS and Bluetooth™ 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 Application
DESCRIPTION
The TPS6261x device is a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications. Intended for low-power applications, the TPS6261x supports up to 350-mA load current, and allows the use of low cost chip inductor and capacitors.
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