TPS62120DCNR 3.3V 1.5A Step-Down Converter with 95% Efficiency 3.1-17V Input Power Save Mode 100% Duty Cycle Internal Compensation Soft Start and Thermal Shutdown in SOT-23 Package
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Features
andbull; Wide Input Voltage Range: 2 V to 15 V 1
andbull; Upto96%Efficiency
andbull; Power Save Mode With 11-andmicro;A Quiescent Current
andbull; Output Current 75 mA
andbull; Output Voltage Range: 1.2 V to 5.5 V
andbull; Upto800-kHz Switch Frequency
andbull; Synchronous Converter, No External Rectifier
andbull; LowOutput Ripple Voltage
andbull; 100%Duty Cycle for Lowest Dropout
andbull; Small SOT 8-Pin (TPS62120) and 2-mm andtimes; 2-mm DFN 6-Pin (TPS62122) Package
andbull; Internal Soft Start
andbull; Power Good Open Drain Output (TPS62120)
andbull; Open-Drain Output for Output Discharge (TPS62120)
andbull; 2.5-V Rising and 1.85-V Falling UVLO Thresholds
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Applications
andbull; LowPower RF Applications
andbull; Ultra Low Power Microprocessors
andbull; Energy Harvesting
andbull; Industrial Measuring
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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.
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 andmicro;A quiescent current from VIN in PFM mode operation.
In shutdown mode, the device is turned off.
An open-drain power good output is available in the TPS62120 and indicates once the output voltage is in regulation.
The TPS62120 has an additional SGND pin which is connected to GND during shutdown mode. This output can be used to discharge the output capacitor.
The TPS6212x operates over an free air temperature range ofandndash;40anddeg;C to 85anddeg;C. The TPS62120 is available in a small 8-pin SOT-23 package and the TPS62122 in a 2 mmandtimes; 2mm6-pin DFN package.
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INFORMATION
| Category | | andnbsp; |
| Mfr | | |
| Series | | |
| Packaging | Tape andamp; Reel (TR) Cut Tape (CT) Digi-Reelandreg; | andnbsp; andnbsp; andnbsp; |
| Part Status | | |
| Function | | |
| Output Configuration | | |
| Topology | | |
| Output Type | | |
| Number of Outputs | | |
| Voltage - Input (Min) | | |
| Voltage - Input (Max) | | |
| Voltage - Output (Min/Fixed) | | |
| Voltage - Output (Max) | | |
| Current - Output | | |
| Frequency - Switching | | |
| Synchronous Rectifier | | |
| Operating Temperature | -40anddeg;C ~ 85anddeg;C (TA) | |
| Mounting Type | | |
| Package / Case | | |
| Supplier Device Package | | |
| Base Product Number | |
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Drawing
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- Fast delivery --- we will ship the goods within 1-3 working days after the payment confirmed.
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TPS62120DCNR 3.3V 1.5A Step-Down Converter with 95% Efficiency 3.1-17V Input Power Save Mode 100% Duty Cycle Internal Compensation Soft Start and Images
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