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AS2214

ASTEC
Part Number AS2214
Manufacturer ASTEC
Description Primary Side PWM Controller
Published Jul 18, 2018
Detailed Description AS2214 Primary Side PWM Controller Features • Low Startup Current • Bulk and AC sensing • Soft Start • Single-start or ...
Datasheet PDF File AS2214 PDF File

AS2214
AS2214

Overview
AS2214 Primary Side PWM Controller Features • Low Startup Current • Bulk and AC sensing • Soft Start • Single-start or auto-restart modes • Oscillator trimmed for precision duty cycle clamp • Standard temperature range extended to 105°C • Remote on / off control • Buffered Ramp for slope compensation • Standard current mode control Description The AS2214 is a full featured, pulse width modulation controller.
Based on an improved AS3842, the AS2214 provides additional features that reduce component count and improve specifications in a wide range of power supply designs.
The added functionality includes AC power and bulk voltage sensing, over-voltage input, as well as the ability to latch off or bounce through different fault conditions.
The PWM function is controlled by the current sense comparator for normal current mode control and a second comparator for voltage mode soft start.
A buffered RAMP signal is available for slope compensation without loading the oscil...


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