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BF1501-DA - Off Line AC/DC Switch

Datasheet Summary

Description

The BF1501-DA switcher ICs cost effectively replace all power supplies up to 5W output power based on unregulated isolated linear transformer (50/60HZ).

Unlike conventional PWM (pulse width modulation) controllers, they regulate the output voltage in a new method of off-time modulation control.

Features

  • Low start-up current z Typ.15 µA z Max.25 µA.
  • Low operating current z Typ.2 mA.

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Datasheet preview – BF1501-DA

Datasheet Details

Part number BF1501-DA
Manufacturer BYD Microelectronics
File Size 190.57 KB
Description Off Line AC/DC Switch
Datasheet download datasheet BF1501-DA Datasheet
Additional preview pages of the BF1501-DA datasheet.

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Full PDF Text Transcription

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BYD Microelectronics Co., Ltd. BF1501-DA Off Line AC/DC Switch IC General Description The BF1501-DA switcher ICs cost effectively replace all power supplies up to 5W output power based on unregulated isolated linear transformer (50/60HZ). Unlike conventional PWM (pulse width modulation) controllers, they regulate the output voltage in a new method of off-time modulation control. The controller consists of a VCO (voltage control oscillator), Sense and logic circuit, VDD pin, under-voltage lockout circuit, protection for over-voltage, current limited circuit, leading edge blanking, over load protection and fault condition auto-restart. They are ideal low power AC/DC adapter/charger solution for portable devices.
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