TPS62122
Convertidor reductor de 15 V, 75 mA y eficiencia del 96 %
TPS62122
- 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
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.
Documentación técnica
Diseño y desarrollo
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TPS62122EVM-586 — Módulo de evaluación TPS62122
The TPS62122EVM-586 is a fully assembled and tested platform for evaluating the operation and performance of the TPS62122 converter. The TPS62122EVM-586 has an input voltage range from 2.0 V up to 15 V, and the output voltage is adjustable with an external feedback divider network in the range of (...)
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Encapsulado | Pines | Símbolos CAD, huellas y modelos 3D |
---|---|---|
WSON (DRV) | 6 | Ultra Librarian |
Pedidos y calidad
- RoHS
- REACH
- Marcado del dispositivo
- Acabado de plomo/material de la bola
- Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
- Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
- Contenido del material
- Resumen de calificaciones
- Monitoreo continuo de confiabilidad
- Lugar de fabricación
- Lugar de ensamblaje
Soporte y capacitación
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