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TPS51211 데이터시트

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TPS51211 HIGH PERFORMANCE, SINGLE SYNCHRONOUS STEP-DOWN CONTROLLER FOR NOTEBOOK POWER SUPPLY Texas-Instruments
Texas Instruments Texas-Instruments
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DESCRIPTION
The TPS51211 is a small-sized single buck controller with adaptive on-time D-CAP™ mode. The device is suitable for low output voltage, high current, PC system power rail and similar point-of-load (POL) power supply in digital consumer products. A small package with minimal pin-count saves space on the PCB, while a dedicated EN pin and pre-set frequency minimize design effort required for new designs.

FEATURES
• Wide Input Voltage Range: 3 V to 28 V
• Output Voltage Range: 0.7 V to 2.6 V
• Wide Output Load Range: 0 to 20A+
• Built-in 0.5% 0.7 V Reference
• 290-kHz, Adaptive On-Time D-CAP™ MODE Control
• 4700 ppm/°C RDS(on) Current Sensing
• Internal 1-ms Voltage Servo Soft-start
• Pre-Charged Start-up Capability
• Built in Output Discharge
• Power Good Output
• Integrated Boost Switch
• Built-in OVP/UVP/OCP
• Thermal Shutdown (Non-latch)
• SON-10 (DSC) Package

APPLICATIONS
• Notebook Computers
• I/O Supplies
• System Power Supplies

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