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FAN5330 Datasheet, PDF (5/10 Pages) Fairchild Semiconductor – High Efficiency Serial LED Driver with 30V Integrated Switch
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Typical Performance Characteristics
TA = 25°C, CIN = 4.7µF, COUT = 0.47µF, L = 10µH, unless otherwise noted.
LED Current vs Temperature
10.8
10.6
10.4
VIN = 5.5V
VIN = 2.2V
VOUT = 15V
10.2
10.0
VIN = 3.6V
9.8
9.6
-40
-20
0
20
40
60
80
SW Frequency vs. Temperature
2.0
VOUT = 15V
1.8
VIN = 3.6V
1.6
VIN = 5.5V
1.4
VIN = 2.2V
1.2
-40
-20
0
20
40
60
80
Temperature (°C)
Load Current vs. Input Voltage
25
VOUT = 15V
20
15
10
5
0
2
3
4
5
Input Voltage (V)
Efficiency vs. Input Voltage
100
VOUT = 9V
90
80
ILED = 35mA
70
ILED = 30mA
60
ILED = 20mA
ILDE = 10mA
50
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Input Voltage (V)
Start-Up Response
L = 10µH
CIN = 10µF
COUT = 1µF
VIN = 2.7V
Time (100µs/div)
Efficiency vs. Input Voltage
100
VOUT = 15V
90
80
ILED = 35mA
70
ILED = 30mA
ILED = 20mA
60
ILED = 10mA
50
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Input Voltage (V)
5
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FAN5330 Rev. 1.0.1
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