FAN7311B Datasheet, PDF (3/14 Pages) Fairchild Semiconductor – LCD Backlight Inverter Drive IC

Pin Assignments
RT1 OUTB OUTA
20
19
18
V_IN PGND OUTC OUTD CT
17
16
15
14
13
RT BCT
12
11
FAN7311B
1
OLP
2
OLR
3
ENA
4
S_S
5
GND
6
REF
7
8
9
10
ADIM BDIM EA_IN EA_OUT
FAN7311B Rev. 00
Figure 2. Pin Configuration (Top View)
Pin Definitions
Pin #
1
2
3
4
5
6
7
8
9
10
Name
OLP
OLR
ENA
S_S
GND
REF
ADIM
BDIM
EA_IN
EA_OUT
Description
Open-Lamp Protection
Open-Lamp Regulation
Enable Input
Soft-Start
Analog Ground
2.5V Reference Voltage
Analog Dimming Input
Burst Dimming Input
Error Amplifier Input
Error Amplifier Output
Pin #
11
12
13
14
15
16
17
18
19
20
Name
BCT
RT
CT
OUTD
OUTC
PGND
V_IN
OUTA
OUTB
RT1
Description
Burst Dimming Timing Capacitor
Timing Resistor
Timing Capacitor
NMOSFET Drive Output D
PMOSFET Drive Output C
Power Ground
Supply Voltage
PMOSFET Drive Output A
NMOSFET Drive Output B
Striking Frequency Resistor
© 2007 Fairchild Semiconductor Corporation
FAN7311B Rev. 1.0.0
3
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