SC120 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC120' PDF : 21 Pages View PDF
SC120
Typical Characteristics — V = 5.0V, Mid V Range
OUT
IN
Efficiency vs. IOUT (VOUT = 5.0V)
R1 = 931kΩ, R2 = 294kΩ, L = 4.7μH, CFB = 2.2pF, TA = 25οC
100
V = 3.2V
IN
90
80
70
V = 1.6V
IN
60
50
V = 2.4V
IN
40
30
20
10
0
0.1 0.2
0.5 1
2
5 10 20
IOUT (mA)
50 100 200
Efficiency vs. I (V = 5.0V)
OUT OUT
R1 = 931kΩ, R2 = 294kΩ, L = 4.7μH, CFB = 2.2pF, VIN = 2.4V
100
T = –40°C
A
90
80
T = 85°C
A
T = 25°C
A
70
60
50
40
30
20
10
0
0.1 0.2
0.5 1
2
5 10 20
IOUT (mA)
50 100 200
Load Regulation (V = 5.0V)
OUT
R1 = 931kΩ, R2 = 294kΩ, L = 4.7μH, CFB = 2.2pF, TA = 25οC
5.1
Load Regulation (V = 5.0V)
OUT
R1 = 931kΩ, R2 = 294kΩ, L = 4.7μH, CFB = 2.2pF, VIN = 2.4V
5.1
T = 85°C
A
5.05
5.05
5
4.95
4.9
0
V = 1.6V
IN
V = 2.4V
IN
V = 3.2V
IN
50
100
150
200
250
300
350
IOUT (mA)
Line Regulation — PSAVE Mode (VOUT = 5.0V)
R1 = 931kΩ, R2 = 294kΩ, L = 4.7μH, CFB = 2.2pF, IOUT = 5mA
5.1
TA = 85°C
5.05
T = –40°C
A
T = 25°C
A
5
4.95
4.9
1.2
1.6
2
2.4
VIN (V)
2.8
3.2
5
4.95 TA = –40°C
T = 85°C
A
TA = –40°C
T = 25°C
A
4.9
0
50
100
150
200
250
300
350
IOUT (mA)
Line Regulation — PWM Mode (V = 5.0V)
OUT
R1 = 931kΩ, R2 = 294kΩ, L = 4.7μH, CFB = 2.2pF, IOUT = 75mA
5.1
5.05
T = –40°C
A
5
T = 85°C
A
4.95
T = 25°C
A
4.9
1.2
1.6
2
2.4
VIN (V)
2.8
3.2
13
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