SLVA343A Datasheet, PDF (3/8 Pages) Texas Instruments – Medium Integrated Power Solution Using a Dual DC/DC Converter and an LDO

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3 Features
The design uses the following high-efficiency dc/dc converter with integrated FETs.
INPUT VOLTAGE
COMBINE RTC AND STATIC 1.2
Core 1.2 V at 600 mA
Static 1.2 V + VRTC at 251 mA
Static 1.8 V at 230 mA
Static 3.3 V at 115 mA
~3.3 V
INTEGRATION AND HIGH EFFICIENCY
(Without DVFS)
TPS62420 (DCDC1)
TPS62420 (DCDC2)
TPS71733 (DRV)
In the preceding table, VRTC is included in the STATIC12 (fixed 1.2 V) group.
TPS62420
• High efficiency – up to 95%
• VIN range From 2.5 V to 6 V
• Output current 600 mA and 1000 mA
• EasyScale™ optional 1-pin serial interface for dynamic output voltage adjustment
• Power-Save mode at light-load currents
• Available in a 10-pin QFN (3×3mm)
TPS71733
• 150-mA low-dropout (LDO) regulator with enable
• Low noise: 30 mV typical (100 Hz to 100 kHz)
• Excellent load/line transient response
• Small SC70-5, 2 mm × 2 mm SON-6, and 1,5 mm × 1,5 mm SON-6 packages
More information on the devices can be found in the data sheets.
• TPS62420, SLVS676
• TPS71733, SBVS068
Features
SLVA343A – June 2009 – Revised May 2010
Medium Integrated Power Solution Using a Dual DC/DC Converter and an LDO
3
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