FAN7310 Datasheet, PDF (5/12 Pages) Fairchild Semiconductor – LCD Back Light Inverter Drive IC

FAN7310
Electrical Characteristics
For typical values Ta=25°C, Vcc=12V and for min/max values Ta is the operating ambient temperature range with
-25°C ≤ Ta ≤ 85°C and 5V ≤ Vcc ≤ 24V, unless otherwise specified.
Characteristics
Symbol
Test Condition
REFERENCE SECTION
Line Regulation
∆Vref 5 ≤ VCC ≤ 24V
2.5V Regulation Voltage
V25
-
OSCILLATOR SECTION(MAIN)
Oscillation Frequency
Ta = 25°C, Ct = 270pF
fosc ^{Rt = 18k}
Ct = 270pF, Rt = 18k
CT High Voltage
Vcth
-
CT Low Voltage
Vctl
-
OSCILLATOR SECTION(BURST)
Oscillation Frequency
fosc Ctb = 10nF, Rt=18k
BCT High Voltage
Vbcth
-
BCT Low Voltage
Vbctl
-
ERROR AMP SECTION
Open Loop Gain
Unit Gain Bandwidth
Feedback Output High Voltage
Veh EA_IN = 0V
Output Sink Current
lsin EA_OUT = 1.5V
Output Source Current
lsur EA_OUT = 1.5V
EA_IN Driving Current On OLR
Iolr
EA_IN Driving Current On Burst Dimming Iburst
Feedback High Voltage On Burst Dimming Vfbh R(EA_IN) = 60kΩ
SOFT START SECTION
Soft Start Current
ISS S_S=2V
Soft Start Clamping Voltage
Vssh
-
PROTECTION SECTION
Open Lamp Protection Voltage
Volp
-
Open Lamp Regulation Voltage
Volr
-
Open Lamp Protection Charging Current Iolp
UNDER VOLTAGE LOCK OUT SECTION
Start Threshold Voltage
Vth
-
Start Up Current
Ist VCC = Vth-0.2
Operating Supply Current
Iop VCC = 12V
Stand-by Current
Isb VCC = 12V
ON/OFF SECTION
On State Input Voltage
Von
-
Off Stage Input Voltage
Voff
-
Min. Typ. Max. Unit
-
2
2.45 2.5
25 mV
2.55 V
108 115
106 115
-
2.0
-
0.5
122
kHz
124
-
V
-
V
195 225
-
2
-
0.5
255 Hz
-
V
-
V
-
80
-
dB
-
1.5
- MHz
-
2.5
-
V
-
-
-1 mA
1
-
-
mA
75 105 135 uA
61
85
109 uA
Va+0.1 Va+0.4 Va+0.7 V
4
6
-
5
8
uA
-
V
1.75
2
1.75
2
0.7 1.4
2.25 V
2.25 V
2.1
-
-
5
V
-
130
-
uA
-
1.5
-
mA
-
200
-
uA
2
-
5
V
-
-
0.7
5