TPS62120DCNT
Conv DC-DC 2V to 15V Synchronous Step Down Single-Out 1.2V to 5.5V 0.075A 8-Pin SOT-23 T/R
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Part Number : TPS62120DCNT
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Package/Case : SOT23-8
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Brands : Texas Instruments
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Components Categories : Switching Voltage Regulators
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Datesheet : TPS62120DCNT DataSheet (PDF)
Overview of TPS62120DCNT
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-µA 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 of 40°C to 85°C. The TPS62120 is available in a small 8-pin SOT-23 package and the TPS62122 in a 2 mm × 2 mm 6-pin DFN package.
Key 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
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Vin (min) (V) | 2 | Vin (max) (V) | 15 |
Vout (min) (V) | 1.2 | Vout (max) (V) | 5.5 |
Iout (max) (A) | 0.075 | Iq (typ) (mA) | 0.011 |
Switching frequency (min) (kHz) | 800 | Switching frequency (max) (kHz) | 800 |
Features | Enable, Light Load Efficiency, Output discharge, Power good, Synchronous Rectification | Operating temperature range (°C) | -40 to 85 |
Rating | Catalog | Regulated outputs (#) | 1 |
Control mode | Constant on-time (COT), DCS-Control | Duty cycle (max) (%) | 100 |
Type | Converter |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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