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SC402B Datasheet(PDF) 11 Page - Semtech Corporation

Part # SC402B
Description  10A EcoSpeed짰 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

SC402B Datasheet(HTML) 11 Page - Semtech Corporation

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SC402B
11
Typical Characteristics (continued)
Load Regulation vs. Temperature — FCM
Characteristics in this section are based on using the Typical Application Circuit on page 8.
1.495
1.500
1.505
1.510
1.515
1.520
1.525
0
1
2
3
4
5
6
7
8
9
10
IOUT (A)
TA = -40°C
VIN = 12V
TA = 25°C
VIN = 5V
TA = 25°C
VIN = 12V
TA = 25°C
VIN = 18V
TA = -40°C
VIN = 5V
TA = -40°C
VIN = 18V
TA = 85°C
VIN = 12V
TA = 85°C
VIN = 18V
TA = 85°C
VIN = 5V
Load Regulation vs. Temperature — FCM
Load Regulation vs. Temperature — PSAVE
VDD = 5V, V
OUT = 1.5V
1.495
1.500
1.505
1.510
1.515
1.520
1.525
0
1
2
3
4
5
6
7
8
9
10
IOUT (A)
TA = -40°C
VIN = 12V
TA = 25°C
VIN = 5V
TA = 25°C
VIN = 12V
TA = -40°C
VIN = 5V
TA = 85°C
VIN = 12V
TA = 85°C
VIN = 5V
VDD = 3.3V, V
OUT = 1.5V
75
80
85
90
95
100
0
1
2
3
4
5
6
7
8
9
10
IOUT (A)
VOUT = 1V
VOUT = 5V
VOUT = 1.5V
VOUT = 2.5V
VOUT = 3.3V
Efficiency Variation with V
OUT— PSAVE
VDD = 5V, V
IN = 12V, L = 2.2uH (4.6m Ω) for VOUT = 2.5V, 3.3V and 5V
VDD = 5V, V
OUT = 1.5V
1.495
1.500
1.505
1.510
1.515
1.520
1.525
0
1
2
3
4
5
6
7
8
9
10
IOUT (A)
TA = -40°C
VIN = 12V
TA = 25°C
VIN = 5V
TA = 25°C
VIN = 12V
TA = -40°C
VIN = 5V
TA = 85°C
VIN = 12V
TA = 85°C
VIN = 5V
Load Regulation vs. Temperature — PSAVE
VDD = 5V, V
OUT = 1.5V
Efficiency/Power Loss vs. Load — PSAVE Mode
50
55
60
65
70
75
80
85
90
95
100
0.000
0.001
0.010
0.100
1.000
10.000
IOUT (A)
0.000
0.035
0.070
0.105
0.140
0.175
0.210
0.245
0.280
0.315
0.350
LDO minus External
External
Bias
LDO
Bias
VDD = 5V, V
IN = 12V, VOUT = 1.5V
1.495
1.500
1.505
1.510
1.515
1.520
1.525
0
1
2
3
4
5
6
7
8
9
10
IOUT (A)
TA = -40°C
VIN = 12V
TA = 25°C
VIN = 5V
TA = 25°C
VIN = 12V
TA = 25°C
VIN = 18V
TA = -40°C
VIN = 5V
TA = 85°C
VIN = 12V
TA = 85°C
VIN = 18V
TA = 85°C
VIN = 5V
TA = -40°C
VIN = 18V



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