參數(shù)資料
型號: FAN1537
廠商: Fairchild Semiconductor Corporation
英文描述: Dual 1A Adjustable/Fixed Low Dropout Linear Regulators
中文描述: 雙第1A可調(diào)/固定低壓降線性穩(wěn)壓器
文件頁數(shù): 3/8頁
文件大小: 340K
代理商: FAN1537
PRODUCT SPECIFICATION
FAN1537
REV. 1.1.1 3/20/02
3
Electrical Characteristics
The denotes specifications which apply over the specified operating temperature range of 0°C to 125°C junction temperature.
(Operating Conditions: V
IN
7V, T
J
=25
°
C unless otherwise speci
fi
ed.)
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. 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. ESR = 0.2
.
4. For adjust only, V
OUT
= V
REF
(1 + R1/R2)
Parameter
Output Voltages
Conditions
10mA
4.75V
Min.
Typ.
Max. Units
I
V
OUT
IN
7V
1A
1.764
1.742
2.450
2.420
3.234
3.200
3.2
1.8
1.8
2.500
2.500
3.300
3.300
1.836
1.858
2.550
2.580
3.366
3.400
V
Output Voltage
Time to Output Voltages Valid
Reference Voltage, V
3.3V Output, V
From V
IN
10mA
4.75V
4.75V
IN
= 4.5V, I
OUT
= 1A
V
4.75V
IN
7V
V
IN
5
msec
V
REF
I
V
OUT
1A
1.225
1.210
1.250
1.250
0.005
1.275
1.290
0.5
Line Regulation
(both outputs)
Load Regulation
(both outputs)
Dropout Voltage
(3.3V output)
Current Limit
(both outputs)
Minimum Load Current
(both outputs)
Quiescent Current
Ripple Rejection
(both outputs)
Long-Term Stability
RMS Output Noise (% of V
Thermal Resistance, Junction to
Case
1,2
7V, I
OUT
= 10mA
%
1,2
V
IN
= 4.75V, 10mA
I
OUT
1A
0.05
0.5
%
V
OUT
= 1%, I
OUT
= 1A
1.100
1.300
V
V
IN
= 5V
1.3
1.5
A
4.75V
V
IN
7V
10
mA
V
f = 120Hz, C
V
IN
= 5V, I
T
A
= 125
°
C, 1000 hrs.
) T
A
= 25
°
C, 10Hz
SO-8
TO-252 DPAK
SPAK
Junction Temperature
IN
= 7V
6
15
mA
dB
3
OUT
OUT
= 22μF Tantalum,
= 1A
60
0.03
0.003
50
3
2
155
10
1.0
%
%
OUT
f
10kHz
°
C/W
°
C/W
°
C/W
°
C
°
C
Thermal Shutdown
Thermal Shutdown Hysteresis
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