Ballast Controller 2MOSFET - FAN7710

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Ballast Controller 2MOSFET - FAN7710
Code D
BLOCK DIAGRAM
Description

• FAN7710 is an electronic ballast control IC
  which
• can drive CFL lamp directly.

Features
- Highly Integrated Power System-On a Package
- On-chip Oscillator, No external Capacitor
required - Active Dead-time Control for low EMI
application - Open Lamp Detection without Sensing
Circuitry - Longer Lamp Lift-time with
Pre-heating control - 8DIP package
Applications

• Electric CFL Ballast

Key Application
Electric CFL Ballast
Technical Analysis
Competitors
IR2520D, UBA2024
Package
8SOP/DIP
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FAN7710 Configuration
High-Side Gate Driver dv/dt noise cancelleration
circuit UVLO Shoot-through prevented output
buffer
Running frequency control using a resistor
Preheating/Ignition time control And Dead-time
control loop stabilizer Using a capacitor
Adaptive ZVS controller And Open Lamp
Detection Without any external devices
550V power MOSFETs (drive up to 20W lamp)
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Ballast Controller 2MOSFET - FAN7710
Code D
Application Circuit
FAN7710
4
FAN7710 ER sample test results (Cont)
Test Evaluation Board
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FAN7710 ER sample test results (Cont)
High Temperature Test (Chamber Temp.120OC)
20W CFL (Compact Fluorescent Lamp)
PCB
FAN7710 ER Sample (8DIP)
220V AC Power
Socket
Temperature Recorder
Chamber
6
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FAN7532 L6574 IR2156 FAN7710 FAN7711
Programmable Preheat Time O O O O O
Programmable Preheat Frequency O O O O O
Programmable Run Frequency O O O O O
Protection (OLP, OVP) O O O Automatic Automatic
Dimmable OP Amp X O X X X
Operating Frequency 50KHz (-4) X Rt,Ct Var. 60KHz (-3) X Rt,Ct Var. 100KHz (-6) X Rt,Ct Var. 50KHz (-4) X Rt Var. 50KHz (-4) X Rt Var.
Internal Boot Strap Diode X O X X X
Internal H/B Switchs X X X O X
Start-up current (Max) 120uA 250uA(Max) 120uA 91.8uA 91.8uA
Operating Temperature -40C 125C -25C 125C -25C 125C -25C 125C -25C 125C
Output Current (Sink/Source) 250/500mA 250/450mA 500/500mA 800mA (Isat.(Switch)) 350/650mA
Lamp Power Over 120W Over 120W Over 120W Up to 20W Over 120W
Package 16SOP 16SOP/DIP 14SOP/DIP 8DIP 8SOP/DIP
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