The TPS6113x devices provide a complete power supply solution for products powered by either a one-cell Li-Ion or Li-Polymer, or two- to four-cell Alkaline, NiCd, or NiMH batteries. The devices can generate two regulated output voltages. It provides a simple and efficient buck-boost solution for generating 3.3 V out of an input voltage that can be both higher and lower than the output voltage. The converter provides a maximum output current of at least 300 mA with supply voltages down to 1.8 V. The implemented SEPIC converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. The maximum peak current in the SEPIC switch is limited to a value of 1600 mA.
The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. A low-EMI mode is implemented to reduce ringing, and in effect, lower radiated electromagnetic energy when the converter enters the discontinuous conduction mode. A power good output at the SEPIC stage provides additional control of any connected circuits like cascaded power supply stages, or microprocessors.
Features
• Synchronous, Up to 90% Efficient, SEPIC Converter With 300-mA Output Current From 2.5-V Input
• Integrated 200-mA Reverse Voltage Protected LDO for DC-DC Output Voltage Post Regulation or Second Output Voltage
• 40-μA (Typical) Quiescent Current
• Input Voltage Range: 1.8 V to 5.5 V
• Fixed and Adjustable Output Voltage Options up to 5.5 V
• Power Save Mode for Improved Efficiency at Low- Output Power
These terms and conditions are for reference only. The actual terms and conditions are subject to the sales staff's quotation.
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- Carefully tested and packaged by ChipWorker- Vacuum packed - Anti-static packaging - Anti-vibration foam
- Income quality control (IQC), 800+ qualified distributors.
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- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing
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