參數(shù)資料
型號: FAN1538PBX
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Dual Channel 1A Low Dropout Linear Regulator with UVLO and Soft-start
中文描述: DUAL OUTPUT, FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, PSSO5
封裝: SPAK-5
文件頁數(shù): 3/6頁
文件大?。?/td> 75K
代理商: FAN1538PBX
PRODUCT SPECIFICATION
FAN1538
REV. 1.0.2 12/17/03
3
Electrical Specifications
(Operating Conditions: VIN = 5V, TJ=25
°
C unless otherwise speci
fi
ed)
The
denotes speci
fi
cations which apply over the full operating temperature range.
Diagram 1: UVLO and Softstart Timing
Parameter
V1 Output Voltage
Conditions
10mA
4.50V
10mA
4.50V
10mA
4.50V
10mA<Iout<1A
4.50V
Min.
3.234
3.200
2.450
2.420
1.400
Typ.
3.300
3.300
2.500
2.500
Max.
3.366
3.400
2.550
2.580
Units
V
Iout
VIN
Iout
VIN
Iout
VIN
1A
7V
1A
7V
1A
7V
V2 Output Voltage (FAN1538A)
V
V2 Minimum Output Voltage
(FAN1538B)
Reference Voltage (FAN1538B)
(FB)
FB Pin Bias Current
Line Regulation
(Both Outputs)
Load Regulation
(Both Outputs)
Current Limit
(Both Outputs)
Minimum Load Current
(Both Outputs)
Quiescent Current
Ripple Rejection
(Both Outputs)
Under-Voltage Lockout (See Diagram1)
VIN Rising threshold
VIN Falling threshold
V1 & V2 delay start time
V1 softstart slew rate
V2 softstart slew rate
V1 & V2
Thermal Shutdown
Shut down Temperature
Thermal hysteresis
V
VIN
7V
1.225
1.210
1.250
1.250
1.275
1.290
1
0.5
V
μA
%
4.50V
Iout = 10mA
VIN=5.0V
10mA
VIN = 5V
VIN
7V
0.005
Iout
1A
0.05
0.5
%
1.1
1.5
A
4.50V
VIN
7V
10
mA
VIN = 5V
F = 60Hz, Cout = 22μF
VIN = 5V, Iout =100mA
6
15
mA
dB
60
3.4
3.0
3.8
3.3
150
250
550
4.2
3.6
V
V
μ
μ
s/V
μ
s/V
V
VIN > UVLO Rising Threshold
s
R1 = 1250 & R2 = 250 ohms
VIN < 3.4
0.5
165
40
°
°
C
C
VIN
V3.3
VIN = 3.3V
V1.5
Time
Input
Voltage
150
μ
s
VIN = 3.8V
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