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SC401B Datasheet(PDF) 11 Page - Semtech Corporation

Part # SC401B
Description  15A Integrated FET Regulator with Programmable LDO
PDF  32 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC401B Datasheet(HTML) 11 Page - Semtech Corporation

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SC401B
11
Typical Characteristics (continued)
Load Regulation vs. Temperature — FCM
1.505
1.510
1.515
1.520
1.525
1.530
1.535
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
IOUT (A)
TA = 25°C
VIN = 5V
TA = -40°C
VIN = 5V
TA = 85°C
VIN = 5V
TA = 85°C
VIN = 12V
TA = -40°C
VIN = 12V
TA = 25°C
VIN = 12V
Characteristics in this section are based on using the Typical Application Circuit on page 8.
1.505
1.510
1.515
1.520
1.525
1.530
1.535
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
IOUT (A)
TA = -40°C
VIN = 5V
TA = 25°C
VIN = 5V
TA = 85°C
VIN = 5V
TA = 85°C
VIN = 12V
TA = -40°C
VIN = 12V
TA = 25°C
VIN = 12V
Load Regulation vs. Temperature — FCM
Load Regulation vs. Temperature — PSAVE
Load Regulation vs. Temperature — PSAVE
Efficiency Variation with V
OUT— PSAVE
VDD = 5V, V
OUT = 1.5V
1.505
1.510
1.515
1.520
1.525
1.530
1.535
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
IOUT (A)
TA = -40°C
VIN = 5V
TA = 25°C
VIN = 5V
TA = 85°C
VIN = 5V
TA = 85°C
VIN = 12V
TA = -40°C
VIN = 12V
TA = 25°C
VIN = 12V
VDD = 3.3V, V
OUT = 1.5V
VDD = 5V, V
OUT = 1.5V
1.505
1.510
1.515
1.520
1.525
1.530
1.535
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
IOUT (A)
TA = -40°C
VIN = 5V
TA = 25°C
VIN = 5V
TA = 85°C
VIN = 5V
TA = 85°C
VIN = 12V
TA = -40°C
VIN = 12V
TA = 25°C
VIN = 12V
VDD = 3.3V, V
OUT = 1.5V
75
80
85
90
95
100
0
1
2
3
4
5
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8
9
10
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IOUT (A)
VOUT = 2.5V
VOUT = 5V
VOUT = 1V
VOUT = 1.5V
VOUT = 3.3V
VDD = 5V, V
IN = 12V, L = 2.2uH (4.6m Ω) for VOUT = 2.5V, 3.3V and 5V
50
55
60
65
70
75
80
85
90
95
100
0.000
0.001
0.010
0.100
1.000
10.000
100.000
IOUT (A)
0.00
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
External
Bias
LDO
Bias
LDO minus External
Efficiency/Power Loss — PSAVE
V
OUT = 1.5V, VIN = 12V



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