Texas Instruments TPS8268x Step-Down Converter Modules
Texas Instruments TPS8268x High-Efficiency Step-Down Converter Modules are a complete DC-DC step-down power supply optimized for a small solution size. Included are the switching regulator, inductor, and input/output capacitors. The integration of these components enables a tiny solution size of 6.7mm2. The TPS8268x is based on a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications. These applications are where high load currents in a very small solution size and height are required. The TPS8268x from Texas Instruments is optimized for high efficiency and low output voltage ripple and supports up to 160mA load current. With an input voltage range of 2.5V to 5.5V, the device supports applications powered by Li-Ion batteries as well as 5V and 3.3V rails.
Features
- 2.5V to 5.5V wide VIN range
- <6.7mm2 total solution size
- Sub 1mm profile solution
- ±1.5% DC voltage accuracy
- Up to 1600mA load current
- Up to 90% efficiency
- Fixed Output Voltage
- TPS8268180: 1.80V
- TPS8268150: 1.50V
- TPS8268120: 1.20V
- TPS8268105: 1.05V
- TPS8268090: 0.90V
- Low EMI by spread spectrum PWM frequency dithering
- Best in class load and line transient response
- Internal soft start
- Current overload and thermal shutdown protection
Applications
- Optical modules
- Cellphones, Smartphones
- Solid state disk drives
- Space constrained
Functional Block Diagram
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