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FAN5331 Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. FAN5331
Description  High Efficiency Serial LED Driver and OLED Supply with 20V Integrated Switch
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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FAN5331 Datasheet(HTML) 3 Page - Fairchild Semiconductor

 
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FAN5331 Rev. 1.0.1
Electrical Characteristics
Test Circuit
Figure 3. Test Circuit
Unless otherwise noted, VIN = 3.6V, TA = -40°C to +85°C, Typical values are at TA = 25°C, Test Circuit,
Figure 3.
Parameter
Conditions
Min.
Typ.
Max.
Units
Switch Current Limit
VIN = 3.2V
0.7
1
A
Load Current Capability
VOUT = 15V, VIN ≥ 2.7V
35
mA
VOUT = 15V, VIN ≥ 3.2V
50
mA
Switch On-resistance
VIN = 5V
0.5
VIN = 3.6V
0.7
Quiescent Current
VSHDN = 3.6V, No Switching
0.7
mA
VSHDN = 3.6V, Switching
1.6
3.0
mA
OFF Mode Current
VSHDN = 0V
0.1
2
µA
Shutdown Threshold
Device ON
1.5
V
Device OFF
0.5
V
Shutdown Pin Bias Current
VSHDN = 0V or VSHDN = 5.5V
10
nA
Feedback Voltage
ILoad = 0mA
1.205
1.230
1.255
V
Feedback Pin Bias Current
10
nA
Feedback Voltage Line Regulation
2.7V < VIN < 5.5V, ILOAD = 0mA
0.6
1.2
%
Switching Frequency
1.15
1.6
1.85
MHz
Maximum Duty Cycle
87
93
%
Enable Delay
VIN = 2.7V, IOUT = 35mA, VOUT = 15V
0.8
5
mS
Power on Delay
VIN = 2.7V, IOUT = 35mA, VOUT = 15V
0.8
5
mS
Switch Leakage Current
No Switching, VIN = 5.5V
1
µA
150K
13.4K
SHDN
VIN
VOUT
R1
R2
GND
VIN
FB
SW
CF
CIN
10µH
1
3
2
4
5
4.7
µF
120pF
COUT
L
BAT54
4.7
µF
2.7V to 5.5V
ON
OFF


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