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SC1454XIMSTR Datasheet(PDF) 10 Page - Semtech Corporation

Part # SC1454XIMSTR
Description  Dual 150mA Ultra Low Dropout, Low Noise Regulator
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC1454XIMSTR Datasheet(HTML) 10 Page - Semtech Corporation

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 2005 Semtech Corp.
www.semtech.com
SC1454
POWER MANAGEMENT
Typical Characteristics (Cont.)
Quiescent Current vs. Junction Temperature
vs. Output Current
Quiescent Current vs. Junction Temperature
vs. Input Voltage
Enable Input Voltage vs. Junction Temperature
vs. Input Voltage
Sense/Select Threshold Voltage vs.
Junction Temperature vs. Input Voltage
Bypass Start-up Rise Time vs. Junction Temperature
vs. Input Voltage
Output Spectral Noise Density vs. Frequency
vs. Output Voltage
0
25
50
75
100
125
150
175
200
-50
-25
0
25
50
75
100
125
TJ (°C)
IOUTA = IOUTB = 150mA
Top to bottom:
VIN = 6.5V
VIN = 5V
VIN = 3.8V
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 = 4V
VIL @ VIN = 6.5V
VIL @ VIN = 4V
0
10
20
30
40
50
60
70
80
-50
-25
0
25
50
75
100
125
TJ (°C)
VIN = 6.5V
VIN = 3.8V
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
-50
-25
0
25
50
75
100
125
TJ (°C)
CBYP = 10nF
VIN = 6.5V
VIN = 3.8V
0
25
50
75
100
125
150
175
200
-50
-25
0
25
50
75
100
125
TJ (°C)
VIN = 6.5V
IOUTA = IOUTB = 150mA
IOUTA or IOUTB = 150mA
0.01
0.1
1
10
0.01
0.1
1
10
100
1000
f (kHz)
VIN = VOUT + 1V
IOUT = 50mA
CIN = 1µF
CBYP = 10nF
COUT = 2.2µF
TJ = 25°C
Top to bottom:
VOUT = 3.3V
VOUT = 3.0V
VOUT = 2.8V
VOUT = 2.5V
VOUT = 1.8V


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