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FAN1585ADX 5A Adjustable/Fixed Low Dropout Linear Regulator Fairchild
Fairchild Semiconductor Fairchild
FAN1585ADX Datasheet PDF : 13 Pages
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PRODUCT SPECIFICATION
FAN1585A
Electrical Characteristics
Tj = 25°C unless otherwise specified.
The denotes specifications which apply over the specified operating temperature range.
Parameter
Reference Voltage3
Output Voltage4
Output Voltage5
Line Regulation1, 2
Load Regulation1, 2, 3
Conditions
1.5V (VIN – VOUT) 5.75V,
10mA IOUT 5A
3.0V VIN 8V
10mA IOUT 5A
3.3V VIN 8.3V
10mA IOUT 5A
(VOUT + 1.5V) VIN 12V,
IOUT = 10mA
(VIN – VOUT) = 3V,
10mA IOUT 5A
Dropout Voltage
VREF = 1%, IOUT = 5A
Current Limit
(VIN – VOUT) = 2V
Adjust Pin Current3
Adjust Pin Current Change3 1.5V (VIN – VOUT) 5.75V,
10mA IOUT 5A
Minimum Load Current
1.5V (VIN – VOUT) 12V
Quiescent Current
VIN = 5V
Ripple Rejection
f = 120Hz, COUT = 22µF Tantalum,
(VIN – VOUT) = 3V, IOUT = 5A
Thermal Regulation
TA = 25°C, 30ms pulse
Temperature Stability
Long-Term Stability
TA = 125°C, 1000 hrs.
RMS Output Noise
(% of VOUT)
TA = 25°C, 10Hz f 10kHz
Thermal Resistance,
Junction to Case
TO-220, TO-252, TO-263, and
TO-263 CC
Thermal Shutdown
Min.
1.225
(-2%)
1.47
1.764
5.1
10
60
Typ.
1.250
1.5
1.8
0.005
0.05
1.150
5.9
35
0.2
4
72
0.004
0.5
0.03
0.003
3
150
Max
1.275
(+2%)
1.53
1.836
0.2
0.5
1.300
120
5
13
0.02
1.0
Units
V
V
V
%
%
V
A
µA
µA
mA
mA
dB
%/W
%
%
%
°C/W
°C
Notes:
1. See thermal regulation specifications for changes in output voltage due to heating effects. Load and line regulation are
measured at a constant junction temperature by low duty cycle pulse testing.
2. Line and load regulation are guaranteed up to the maximum power dissipation. Power dissipation is determined by input/
output differential and the output currrent. Guaranteed maximum output power will not be available over the full input/output
voltage range.
3. FAN1585A only.
4. FAN1585A-1.5 only.
5. FAN1585A-1.8 only.
REV. 1.1.6 7/8/05
3
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