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iW1700

Dialog Semiconductor
Part Number iW1700
Manufacturer Dialog Semiconductor
Description Zero Power No-Load Off-Line Digital PWM Controller
Published Aug 15, 2018
Detailed Description iW1700 Zero Power No-Load Off-Line Digital PWM Controller 1 Description The iW1700 is a high performance AC/DC power s...
Datasheet PDF File iW1700 PDF File

iW1700
iW1700

Overview
iW1700 Zero Power No-Load Off-Line Digital PWM Controller 1 Description The iW1700 is a high performance AC/DC power supply controller which uses digital control technology to build peak current mode PWM flyback power supplies.
The device together with an external active device (depletion mode NFET or NPN BJT) provides a fast start-up meanwhile achieving ultra-low no-load power consumption.
The device directly drives a power BJT and operates in quasi-resonant mode to provide high efficiency along with a number of key built-in protection features while minimizing the external component count, simplifying EMI design and lowering the total bill of material cost.
The iW1700 removes the need for secondary feedback circuitry while achieving excellent line and load regulation.
It also eliminates the need for loop compensation components while maintaining stability over all operating conditions.
Pulse-by-pulse waveform analysis allows for a loop response that is much faster than traditional ...


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