Features 3 Description
The TPS6306x devices provide a power supply 1
• Input Voltage Range: 2.5 V to 12 V
solution for products powered by either three-cell up
• Efficiency: Up to 93% to six-cell alkaline, NiCd or NiMH battery, or a one-
• Output Current at 5 V (VIN<10 V): 2 A in Buck cell or dual-cell Li-Ion or Li-polymer battery. Output
Mode currents can go as high as 2-A while using a dual-cell
• Output Current at 5 V (V Li-Ion or Li-polymer battery, and discharge it down to IN>4 V): 1.3 A in Boost
Mode 5 V or lower. The buck-boost converter is based on a
fixed frequency, pulse-width-modulation (PWM)
• Automatic Transition Between Step Down and controller using synchronous rectification to obtain
Boost Mode maximum efficiency. At low load currents, the
• Typical Device Quiescent Current: < 30 μA converter enters power-save mode to maintain high
efficiency over a wide load current range. The power- • Fixed and Adjustable Output Voltage Options from
save mode can be disabled, forcing the converter to 2.5 V to 8 V
operate at a fixed switching frequency. The maximum
• Power-Save Mode for Improved Efficiency at Low average current in the switches is limited to a typical
Output Power value of 2.25 A. The output voltage is programmable
• Forced Fixed-Frequency Operation at 2.4 MHz using an external resistor divider, or is fixed internally
and Synchronization Possible on the chip. The converter can be disabled to
minimize battery drain. During shutdown, the load is
• Power Good Output
disconnected from the battery.
• Buck-Boost Overlap Control™
The devices are available in a 3 mm × 3 mm, 10-pin,
• Load Disconnect During Shutdown
WSON (DSC), PowerPAD™ package.
• Overtemperature Protection
Device Information
(1)
• O
