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SC1453 数据表(PDF) 10 Page - Semtech Corporation

部件名 SC1453
功能描述  150mA Ultra Low Dropout Regulator with Low Noise Bypass
PDF  15 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC1453 数据表(HTML) 10 Page - Semtech Corporation

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 2008 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
SC1453
Dropout Voltage vs. Junction Temperature
vs. Output Current
Dropout Voltage vs. Output Current
vs. Junction Temperature
Typical Characteristics (Cont.)
Bypass Start-up Rise Time vs. Junction Temperature
vs. Input Voltage
Enable Input Threshold Voltage vs. Junction
Temperature vs. Input Voltage
Reverse Battery Protection vs.
Junction Temperature
Output Spectral Noise Density vs. Frequency
vs. Output Voltage, C
OUT = 1µF
0
25
50
75
100
125
150
175
200
-50
-25
0
25
50
75
100
125
TJ (°C)
IOUT = 150mA
IOUT = 50mA
0
25
50
75
100
125
150
175
200
0
25
50
75
100
125
150
IOUT (mA)
Top to bottom:
TJ = 125°C
TJ = 25°C
TJ = -40°C
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
-50
-25
0
25
50
75
100
125
TJ (°C)
CBYP = 10nF
VIN = 3.8V
VIN = 6.5V
0.4
0.6
0.8
1.0
1.2
1.4
1.6
-50
-25
0
25
50
75
100
125
TJ (°C)
VIH @ VIN = 6.5V
VIH @ VIN = 3.8V
VIL @ VIN = 6.5V
VIL @ VIN = 3.8V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
-50
-25
0
25
50
75
100
125
TJ (°C)
VIN = VEN = -6.5V
0.001
0.01
0.1
1
10
0.01
0.1
1
10
100
1000
f (kHz)
VIN = VOUT + 1V
IOUT = 1mA
CIN = 1µF
CBYP = 10nF
TJ = 25°C
Top to bottom:
VOUT = 3.3V
VOUT = 3.0V
VOUT = 2.8V
VOUT = 2.5V
VOUT = 1.8V
VOUT = 1.5V



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