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SEA05 - Advanced constant voltage and constant current controller

Description

The SEA05 is a highly integrated solution for SMPS applications requiring a dual control loop to perform CV (constant voltage) and CC (constant current) regulation.

The device integrates a voltage reference, two opamps (with OR-ed open-drain outputs), and a lowside current sensing circuit.

Features

  • Constant voltage and constant current control.
  • Wide operating VCC range [3.5 - 36] V.
  • Low quiescent consumption: 200 µA.
  • Voltage reference: 2.5 V.
  • Voltage control loop accuracy +/- 0.5%.
  • Current sense threshold: 50 mV.
  • Open-drain output stage.
  • Low external component count.
  • SOT23-6L micro package.

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Datasheet preview – SEA05

Datasheet Details

Part number SEA05
Manufacturer STMicroelectronics
File Size 237.84 KB
Description Advanced constant voltage and constant current controller
Datasheet download datasheet SEA05 Datasheet
Additional preview pages of the SEA05 datasheet.

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Full PDF Text Transcription

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SEA05 Advanced constant voltage and constant current controller Features ■ Constant voltage and constant current control ■ Wide operating VCC range [3.5 - 36] V ■ Low quiescent consumption: 200 µA ■ Voltage reference: 2.5 V ■ Voltage control loop accuracy +/- 0.5% ■ Current sense threshold: 50 mV ■ Open-drain output stage ■ Low external component count ■ SOT23-6L micro package Applications ■ Battery chargers ■ AC-DC adapters ■ LED drivers Description The SEA05 is a highly integrated solution for SMPS applications requiring a dual control loop to perform CV (constant voltage) and CC (constant current) regulation. The device integrates a voltage reference, two opamps (with OR-ed open-drain outputs), and a lowside current sensing circuit.
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