FSEM311Z - Green Mode Fairchild Power Switch

Fairchild (now onsemi)

Download the FSEM311Z datasheet PDF. This datasheet also covers the FSEM311 variant, as both devices belong to the same green mode fairchild power switch family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

FSEM311Z green mode fairchild power switch by Fairchild (now onsemi) - Datasheet Preview — Note: The manufacturer provides a single datasheet file (FSEM311-FairchildSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	FSEM311Z
Manufacturer	Fairchild (now onsemi)
File Size	721.09 KB
Description	Green Mode Fairchild Power Switch
Datasheet	FSEM311Z Datasheet

General Description

The FSEM311 family of integrated Pulse Width Modulator (PWM) and Sense FET are specifically designed for high performance offline Switch Mode Power Supplies (SMPS) with minimal external components.

Overview

FSEM311, FSEM311Z — Green Mode Fairchild Power Switch (FPS™) January 2009 FSEM311, FSEM311Z Green Mode Fairchild Power Switch.

Key Features

Internal Avalanche Rugged Sense FET.
Precision Fixed Operating Frequency.
Internal Start-up Circuit.
Pulse-by-Pulse Current Limiting.
Over Voltage Protection (OVP).
Over Load Protection (OLP).
Internal Thermal Shutdown Function (TSD).
Auto-Restart Mode.
Under Voltage Lockout (UVLO).
Low Operating Current (3mA).
Adjustable Peak Current Limit.
Built-in Soft Start.

More Datasheets from Fairchild (now onsemi)

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