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Si9114

TEMIC
Part Number Si9114
Manufacturer TEMIC
Description High-Frequency Switchmode Controller
Published Nov 20, 2018
Detailed Description Si9114 High-Frequency Switchmode Controller TEMIC Siliconix Features • 15- to 200-V Input Range • Current-Mode Control...
Datasheet PDF File Si9114 PDF File

Si9114
Si9114

Overview
Si9114 High-Frequency Switchmode Controller TEMIC Siliconix Features • 15- to 200-V Input Range • Current-Mode Control • Internal Start-Up Circuit Description The Si9114 is a BiC/DMOS current-mode pulse width modulation (PWM) controller IC for high-frequency dc/dc converters.
Single-ended topologies (forward and flyback) can be implemented at frequencies up to 1 MHz.
The oscillator has an internal divide-by-two that limits the duty ratio to 50%.
An oscillator sync output allows converters to be synchronized in phase as well as in frequency, in a master/slave configuration.
The output inverter can typicallysource 500rnA and sink 700 rnA.
Shoot-through current is all but eliminated to Functional Block Diagram • Latched SHUIDOWN • Soft-Start • 1.
5-MHz Error Amp minimize supply current requirements.
The high-voltage DMOS transistor allows the IC to interface directly to bus voltages up to 200 V.
Other features include a 1.
5% accurate voltage reference, 1.
5-MHz (min) bandwidt...


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