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 (continued)
OUT
IN
Temperature Regulation — PSAVE Mode (V = 5.0V)
OUT
R1 = 931kΩ, R2 = 294kΩ, L = 6.8μH, CFB = 2.2pF, IOUT = 5mA
5.1
V = 4.2V
IN
V = 3.0V
5.05
IN
Temperature Regulation — PWM Mode (V = 5.0V)
OUT
R1 = 931kΩ, R2 = 294kΩ, L = 6.8μH, CFB = 2.2pF, IOUT = 75mA
5.1
5.05
V = 4.2V
IN
V = 3.6V
IN
5
4.95
5
V = 3.0V
IN
V = 3.6V
IN
4.95
4.9
4.9
4.85
-50
-25
0
25
50
75
100
Junction Temperature (oC)
Startup Max. Load Current vs. V (V =5.0V, all V ’s)
IN OUT
IN
R1 = 931kΩ, R2 = 294kΩ, L = 6.8μH, CFB = 2.2pF
140
T = –40°C
A
120
T = 25°C
A
100
T = 85°C
A
80
60
T = 85°C
A
40
TA = 25°C
20
T = –40°C
A
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
VIN (V)
4.85
-50
-25
0
25
50
75
100
Junction Temperature (oC)
Startup Min. Load Res. vs. V (V =5.0V, all V Ranges)
IN OUT
IN
R1 = 931kΩ, R2 = 294kΩ, L = 6.8μH, CFB = 2.2pF
160
140
T = –40°C
A
120
100
TA = 25°C
80
60
40
T = 85°C
A
20
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
VIN (V)
Maximum I vs. V (V = 5.0V, all V Ranges)
OUT
IN OUT
IN
R1 = 931kΩ, R2 = 294kΩ, L = 4.7μH, CFB = 2.2pF
500
450
400
T = 25°C
350
A
T = –40°C
A
300
250
T = 85°C
200
A
150
100
50
0
0.5 1
1.5 2
2.5 3
3.5 4
4.5
VIN (V)
16
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