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TPS62120

  

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Part NameTPS62120 Texas-Instruments
Texas Instruments Texas-Instruments
Description15-V, 75-mA Highly Efficient Buck Converter
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Description
The TPS6212x device is a highly efficient synchronous step-down DC-DC converter optimized for low-power applications. The device supports up to 75-mA output current and allows the use of tiny external inductors and capacitors.
The wide operating input voltage range of 2 V to 15 V supports energy harvesting, battery powered and as well 9-V or 12-V line powered applications.
The wide operating input voltage range of 2 V to 15 V supports energy harvesting, battery powered and as well 9-V or 12-V line powered applications. With its advanced hysteretic control scheme, the converter provides power save mode operation. At light loads the converter operates in pulse frequency modulation (PFM) mode and transitions automatically in pulse width modulation (PWM) mode at higher load currents. The power save mode maintains high efficiency over the entire load current range. The hysteretic control scheme is optimized for low output ripple voltage in PFM mode in order to reduce output noise to a minimum. The device consumes only 10-µA quiescent current from VIN in PFM mode operation.

Features
• Wide Input Voltage Range: 2 V to 15 V
• Up to 96% Efficiency
• Power Save Mode With 11-µA Quiescent Current
• Output Current 75 mA
• Output Voltage Range: 1.2 V to 5.5 V
• Up to 800-kHz Switch Frequency
• Synchronous Converter, No External Rectifier
• Low Output Ripple Voltage
• 100% Duty Cycle for Lowest Dropout
• Small SOT 8-Pin (TPS62120) and 2-mm × 2-mm
   DFN 6-Pin (TPS62122) Package
• Internal Soft Start
• Power Good Open Drain Output (TPS62120)
• Open-Drain Output for Output Discharge
   (TPS62120)
• 2.5-V Rising and 1.85-V Falling UVLO Thresholds

Applications
• Low Power RF Applications
• Ultra Low Power Microprocessors
• Energy Harvesting
• Industrial Measuring

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TPS62120 15V, 75mA High Efficient Buck Converter

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