FAN7310_05 Datasheet, PDF (2/12 Pages) Fairchild Semiconductor – LCD Back Light Inverter Drive IC

FAN7310
Internal Block Diagram
RT
OSCILLATOR
max. 2V
min. 0.5V
CT
-
S_S
+
SYNC
+
Output
Control
Logic
Output
Driver
Output
Driver
OUTA
OUTB
PGND
OUTC
OUTD
EA_OUT
6uA
S_S
ADIM
EA_IN
max. 2V
BCT
BDIM
AGND
min. 0.5V
Error Amp.
+
+
-
Solr 105uA
UVLO
Q ^SET S
QR
CLR
Solr
1.4uA
+
- 2V
UVLO
+
- 2V
Sburst 85uA
-
Sburst
+
Voltage
Reference
&
Internal
Bias
UVLO
2.5VREF
VIN




UVLO 5V
2.7V
1.4V
OLP
OLR
REF
ENA
VIN
2