SG1845, SG1844 - Current Mode PWM Controller

Microsemi

Datasheet Details

Part number	SG1845, SG1844
Manufacturer	Microsemi
File Size	633.46 KB
Description	Current Mode PWM Controller
Datasheet	SG1844-Microsemi.pdf
Note	This datasheet PDF includes multiple part numbers: SG1845, SG1844. Please refer to the document for exact specifications by model.

The SG1844/45 family of control ICs provides all the required

to implement off-line Fixed Frequency, Current-mode switching power supplies with a minimum number of external components. Current-mode architecture demonstrates improved line regulation, improved load regulation, pulse-by pulse current limiting and inherent protection of the power supply output switch. The Bandgap reference is trimmed to ±1% over temperature. Oscillator discharge current is trimmed to less than ±10%. The SG1844/45 has under-voltage lockout, current-limiting circuitry and start-.

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Published: Jan 5, 2020 |