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AS2208 - Primary Side PWM Controller

Description

The AS2208 is a simplified pulse width modulation controller, offering similar functionality as that of the AS3842.

Features

  • Low Startup Current.
  • Single-start or auto-restart modes.
  • Oscillator trimmed for precision duty cycle clamp.
  • Standard temperature range extended to 105°C.
  • Remote on / off control.
  • Self limiting supply Voltage.
  • Standard current mode control.

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Datasheet Details

Part number AS2208
Manufacturer ASTEC
File Size 31.80 KB
Description Primary Side PWM Controller
Datasheet download datasheet AS2208 Datasheet

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Full PDF Text Transcription

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AS2208 Primary Side PWM Controller Preliminary Specification Features • Low Startup Current • Single-start or auto-restart modes • Oscillator trimmed for precision duty cycle clamp • Standard temperature range extended to 105°C • Remote on / off control • Self limiting supply Voltage • Standard current mode control Description The AS2208 is a simplified pulse width modulation controller, offering similar functionality as that of the AS3842. Based on the AS2214, the AS2208 provides the additional features of low startup current and overvoltage latching, making it a good solution for adapter applications. The PWM function is controlled by the current sense comparator for normal current mode control.
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