Product Features

• Input Voltage Range: 2.0 V to 16 V 

• Output Voltage Range: 2.5 V to 9 V 

• Up to 95 Percent Efficiency 

• +/- 1 Percent dc accuracy in PWM mode 

• +3 Percent / -1 Percent dc accuracy in PFM mode 

• 2 A Output Current in Buck Mode 

• 2 A Output Current in Boost Mode (VIN = 4 V; Vout = 5 V) 

• Precise ENABLE input allows 

– user defined undervoltage lockout

 – exact sequencing 

• Automatic Transition Between Step Down and Boost Mode 

• Typical Device Quiescent Current: 50 μA 

• Fixed and Adjustable Output Voltage Options 

• Output Discharge Option 

• Power Save Mode for Improved Efficiency at Low Output Power 

• Forced Fixed Frequency Operation at 2.4 MHz and Synchronization Option 

• Power Good Output 

• VSEL simply allows output voltage change 

• Load Disconnect During Shutdown 

• Overtemperature Protection 

• Input / Output Overvoltage Protection 

• Available in QFN Package

Product Applications

• Dual Li-Ion Applications 

• Industrial Metering Equipment 

• DSC's and Camcorders 

• Notebook Computers 

• Ultra Mobile PC's and Mobile Internet Devices 

• Personal Medical Products

Product Descriptions

The TPS6307x is a high efficiency, low quiescent current buck-boost converter suitable for applications where the input voltage can be higher or lower than the output voltage. Output currents can go as high as 2 A in boost mode and in buck mode. The buck-boost converter is based on a fixed frequency, pulse-widthmodulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters Power Save Mode to maintain high efficiency over a wide load current range. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery. The device is available in a 2.5 mm x 3 mm QFN package.

Specifications

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