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SC401B Scheda tecnica(PDF) 11 Page - Semtech Corporation

Il numero della parte SC401B
Spiegazioni elettronici  15A Integrated FET Regulator with Programmable LDO
PDF  32 Pages
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Produttore elettronici  SEMTECH [Semtech Corporation]
Homepage  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC401B Scheda tecnica(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
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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
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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
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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
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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
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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
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75
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85
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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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