SC120 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC120' PDF : 21 Pages View PDF
SC120
Typical Characteristics — V = 5.0V, High V Range
OUT
IN
Efficiency vs. I (V = 5.0V)
OUT OUT
R1 = 931kΩ, R2 = 294kΩ, L = 6.8μH, CFB = 2.2pF, TA = 25οC
100
VIN = 4.2V
90
80
V = 3.0V
70
IN
60
V = 3.6V
IN
50
40
30
20
10
0
0.1 0.2 0.5 1 2
5 10 20
IOUT (mA)
50 100 200 500
Efficiency vs. IOUT (VOUT = 5.0V)
R1 = 931kΩ, R2 = 294kΩ, L = 6.8μH, CFB = 2.2pF, VIN = 3.6V
100
T = –40°C
A
90
80
T = 85°C
A
T = 25°C
70
A
60
50
40
30
20
10
0
0.1 0.2 0.5 1 2
5 10 20
IOUT (mA)
50 100 200 500
Load Regulation (VOUT = 5.0V)
R1 = 931kΩ, R2 = 294kΩ, L = 6.8μH, CFB = 2.2pF, TA = 25οC
5.1
5.05
V = 4.2V
IN
5
4.95
Load Regulation (VOUT = 5.0V)
R1 = 931kΩ, R2 = 294kΩ, L = 6.8μH, CFB = 2.2pF, VIN = 3.6V
5.1
T = 85°C
A
5.05
5
T = –40°C
A
4.95
T = –40°C
A
4.9
V = 3.0V
IN
V = 3.6V
IN
4.85
0
50 100 150 200 250 300 350 400 450 500
IOUT (mA)
4.9
4.85
0
T = 85°C
A
T = 25°C
A
50 100 150 200 250 300 350 400 450 500
IOUT (mA)
Line Regulation — PSAVE Mode (VOUT = 5.0V)
R1 = 931kΩ, R2 = 294kΩ, L = 6.8μH, CFB = 2.2pF, IOUT = 5mA
5.1
T = 85°C
A
5.05
T = –40°C
A
5
4.95
T = 25°C
A
4.9
Line Regulation — PWM Mode (VOUT = 5.0V)
R1 = 931kΩ, R2 = 294kΩ, L = 6.8μH, CFB = 2.2pF, IOUT = 75mA
5.1
5.05
T = –40°C
A
5
TA = 85°C
4.95
T = 25°C
A
4.9
4.85
0.5
1
1.5
2
2.5
3
3.5
4
4.5
VIN (V)
4.85
0.5
1
1.5
2
2.5
3
3.5
4
4.5
VIN (V)
15
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