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FAN1117ASX 数据表(PDF) 3 Page - Fairchild Semiconductor

部件名 FAN1117ASX
功能描述  1A Adjustable/Fixed Low Dropout Linear Regulator
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

FAN1117ASX 数据表(HTML) 3 Page - Fairchild Semiconductor

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FAN1117A
PRODUCT SPECIFICATION
REV. 1.1.0 11/7/03
3
Electrical Characteristics
Operating Conditions: VIN ≤ 7V, TJ = 25°C unless otherwise specified.
The
• denotes specifications which apply over the specified operating temperature range.
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 (18W). Power dissipation is determined by
input/output differential and the output current. Guaranteed maximum output power will not be available over the full input/
output voltage range.
3. FAN1117A only.
4. Output current must be limited to meet the absolute maximum ratings of the part.
Parameter
Conditions
Min.
Typ.
Max.
Units
Reference Voltage3
1.5V
≤ (V
IN – VOUT) ≤ 7V,
10mA
≤ I
OUT ≤ 1A
1.225
(-2%)
1.250
1.275
(+2%)
V
Output Voltage4
10mA
≤ I
OUT ≤ 1A
FAN1117A-1.8, 3.3V
≤ V
IN ≤ 8.8V
FAN1117A-2.5, 4V
≤ V
IN ≤ 9.5V
FAN1117A-2.85, 4.35V
≤ V
IN ≤ 9.85V
FAN1117A-3.3, 4.8V
≤ V
IN ≤ 10.3V
FAN1117A-5, 6.5V
≤ V
IN ≤ 12V
1.764
2.450
2.793
3.234
4.900
1.8
2.5
2.85
3.3
5.0
1.836
2.550
2.907
3.366
5.100
V
V
V
V
V
Line Regulation1,2
(VOUT + 1.5V) ≤ VIN ≤ 12V, IOUT = 10mA •
0.005
0.2
%
Load Regulation1,2
(VIN – VOUT) = 2V, 10mA ≤ IOUT ≤ 1A
0.05
0.5
%
Dropout Voltage
∆V
REF = 1%, IOUT = 1A
1.100
1.200
V
Current Limit
(VIN – VOUT) = 2V
1.1
1.5
A
Adjust Pin Current3
35
120
µA
Adjust Pin Current Change3,4
1.5V
≤ (V
IN – VOUT) ≤ 7V,
10mA
≤ I
OUT ≤ 1A
0.2
5
µA
Minimum Load Current
1.5V
≤ (V
IN – VOUT) ≤ 15V
10
mA
Quiescent Current
VIN = VOUT + 1.25V
413
mA
Ripple Rejection
f = 120Hz, COUT = 22µF Tantalum,
(VIN – VOUT) = 3V, IOUT = 1A
60
72
dB
Thermal Regulation
TA = 25°C, 30ms pulse
0.004
0.02
%/W
Temperature Stability
0.5
%
Long-Term Stability
TA = 125°C, 1000hrs.
0.03
1.0
%
RMS Output Noise
(% of VOUT)
TA = 25°C, 10Hz ≤ f ≤ 10kHz
0.003
%
Thermal Resistance, Junction
to Case
SOT-223
15
°C/W
TO-252, TO-220
3
°C/W
Thermal Shutdown
Junction Temperature
155
°C
Thermal Shutdown
Hysteresis
10
°C


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