FAN7319 Datasheet, PDF (19/23 Pages) Fairchild Semiconductor – LCD Backlight Inverter Drive IC

Table 1. Protection Condition Table
Mode Category Item
Condition
OLR
Regulation
Striking
Protection
CMP
OLP
OVP
SLP
CMP-HIGH
Normal
Regulation
Protection
OLR
CMP
OLP
OVP
SLP
CMP-HIGH
VOLR(MAX)>2V
VOLR(MAX)>3V
VOLR(MAX)>3.25V
VCMP>2.5V &
VADIM>VOLP(MAX)
VOLP(MAX)<VOLP
VOLR(MAX)>OVPR
Disabled
Disabled
VOLR(MAX)>3V
VOLR(MAX)>3.25V
VCMP>2.5V &
VADIM>VOLP(MAX)
VOLP(MAX)<0.5V
VOLR(MAX)>OVPR
VOLR(MAX)<0.3V
VCMP>3V
Operation
CMP Source = 3µA
CMP Source = 0µA
CMP Sink
CMP Source = 2µA
Timer = 2µA
Timer = 2µA
CMP Source = 0µA
CMP Sink
DCR Mode
Fault
VENA > 2.5V Condition
VTIMER>3V,
5 Times
Repeat
Disabled
Disabled
Changing to
Normal
Frequency
Condition
VOLP(max)>VOLP
&
VOLR(max)<OVPR
CMP Source = 2µA
Timer = 2µA
Timer = 50µA
Timer = 50µA
Timer = 2µA
Disabled
VTIMER>1V,
1 Time
Disabled
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FAN7319 • 1.0.1
19
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