Product Summary
The FAN7311GX is a LCD Backlight Inverter Drive IC. The FAN7311GX provides all the control functions for a series parallel resonant converter as well as a pulse width modulation (PWM) controller to develop a supply voltage. Typical operating frequency range is between 30kHz and 250kHz, depending on the CCFL and the transformer’s characteristics. The FAN7311GX uses a new patent-pending phase-shift control.
Parametrics
FAN7311GX absolute maximum ratings: (1)Supply Voltage, VCC: 5 to 25.5 V; (2)Operating Temperature Range, Topr: -25 to 85℃; (3)Storage Temperature Range, Tstg: -65 to 150℃; (4)Thermal Resistance Junction-Air, RθJA: 112℃/W; (5)Power Dissipation, Pd: 1.1 W.
Features
FAN7311GX features: (1)High-Efficiency Single-Stage Power Conversion; (2)Wide Input Voltage Range : 5V to 25.5V; (3)Back Light Lamp Ballast and Soft Dimming; (4)Reduces Number of Required External Components; (5)Precision Voltage Reference Trimmed to 2%; (6)ZVS Full-Bridge Topology; (7)Soft Start; (8)PWM Control at Fixed Frequency; (9)Analog and Burst Dimming Function; (10)Programmable Striking Frequency; (11)Open Lamp Protection; (12)Open Lamp Regulation; (13)20-Pin SSOP.
Diagrams
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![]() FAN7311GX |
![]() Fairchild Semiconductor |
![]() LCD Drivers Half bridge gate driver |
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