FAN8301 Fairchild Semiconductor, FAN8301 Datasheet - Page 5

• Manufacturer Part Number: FAN8301
• Manufacturer: Fairchild Semiconductor

© 2008 Fairchild Semiconductor Corporation
FAN8301 • Rev. 1.0.0
Electrical Characteristics
V
IN
Symbol
=12V, T
t
UVLO
R
f
R
V
ON_MIN
D
SHORT
A
TSD
f
G
I
V
I
G
V
ON_H
LKG
I
OSC
EN_H
I
OFF
ON_L
MAX
I
PK
SS
VEA
FB
EN
Q
CS
EA
A
=-40 to 85°C, unless otherwise noted.
Feedback Voltage
Upper Switch On Resistance
Lower Switch On Resistance
Upper Switch Leakage Current
Peak Inductor Current
Oscillator Frequency
Under Voltage Lock Out
Short Circuit Frequency
Maximum Duty Cycle
Minimum On Time
Enable Threshold
Enable Threshold Hysteresis
Soft-Start Current
Supply Current (Shutdown)
Supply Current (Quiescent)
Current Sense Gain
Error Amplifier Transconductance
Error Amplifier Voltage Gain
Thermal Shutdown Temperature
Parameter
T
V
V
Rising V
V
V
V
A
EN
FB
FB
EN
EN
=25°C, 4.75V<V
>0.3V
<0.3V
=0V, V
=0V
>1.6V, V
5
Condition
IN
SW
FB
=0V
=0.8V
IN
<16V
Min.
0.58
4.20
315
1.2
25
Typ.
+155
0.60
0.22
4.60
370
210
150
380
400
3.5
1.6
1.0
45
90
10
4
0
6
2
Max.
0.62
4.75
435
2.0
1.2
10
55
20
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µA/V
Unit
kHz
kHz
A/V
V/V
mV
mA
µA
µA
µA
ns
°C
%
V
Ω
Ω
A
V
V