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FAN7711

Fairchild Semiconductor
Part Number FAN7711
Manufacturer Fairchild Semiconductor
Description Ballast Control IC
Published Apr 25, 2007
Detailed Description FAN7711 Ballast Control IC March 2007 FAN7711 Ballast Control IC Features „ Floating Channel for Bootstrap Operation t...
Datasheet PDF File FAN7711 PDF File

FAN7711
FAN7711

Overview
FAN7711 Ballast Control IC March 2007 FAN7711 Ballast Control IC Features „ Floating Channel for Bootstrap Operation to +600V „ Low Start-up and Operating Current: 120μA, 3.
2mA „ Under-Voltage Lockout with 1.
8V of Hysteresis „ Adjustable Run Frequency and Preheat Time „ Internal Active ZVS Control „ Internal Protection Function (Latch Mode) „ Internal Clamping Zener Diode „ High Accuracy Oscillator „ Soft-Start Functionality Description The FAN7711, developed using Fairchild’s unique highvoltage process, is a ballast control integrated circuit (IC) for a fluorescent lamp.
FAN7711 incorporates a preheating / ignition function, controlled by an userselected external capacitor, to increase lamp life.
The FAN7711 detects switch operation from after ignition mode through an internal active Zero-Voltage Switching (ZVS) control circuit.
This control scheme enables the FAN7711 to detect an open-lamp condition, without the expense of external circuitry, and prevents stress on MOSFETs.
The hi...


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