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SC120 Datasheet(PDF) 16 Page - Semtech Corporation

Part # SC120
Description  Low Voltage Synchronous Boost Regulator
PDF  32 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC120 Datasheet(HTML) 16 Page - Semtech Corporation

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SC120
16
Typical Characteristics — V
OUT = 5.0V, High VIN Range (continued)
-50
-25
0
25
50
75
100
4.85
4.9
4.95
5
5.05
5.1
Junction Temperature (
o
C)
R
1
= 931kΩ, R
2
= 294kΩ, L = 6.8μH, C
FB
= 2.2pF, I
OUT
= 5mA
-50
-25
0
25
50
75
100
4.85
4.9
4.95
5
5.05
5.1
Junction Temperature (
o
C)
R
1
= 931kΩ, R
2
= 294kΩ, L = 6.8μH, C
FB
= 2.2pF, I
OUT
= 75mA
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
= 3.0V
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
= 3.0V
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0
20
40
60
80
100
120
140
V
IN
(V)
R
1
= 931kΩ, R
2
= 294kΩ, L = 6.8μH, C
FB
= 2.2pF
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0
20
40
60
80
100
120
140
160
V
IN
(V)
R
1
= 931kΩ, R
2
= 294kΩ, L = 6.8μH, C
FB
= 2.2pF
T
A
= 25°C
T
A
= 85°C
T
A
= –40°C
T
A
= 25°C
T
A
= 85°C
T
A
= –40°C
T
A
= 25°C
T
A
= 85°C
T
A
= –40°C
Temperature Regulation — PSAVE Mode (V
OUT = 5.0V)
Temperature Regulation — PWM Mode (V
OUT = 5.0V)
Startup Max. Load Current vs. V
IN (VOUT=5.0V, all VIN’s)
Startup Min. Load Res. vs. V
IN (VOUT=5.0V, all VIN Ranges)
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0
50
100
150
200
250
300
350
400
450
500
V
IN
(V)
R
1
= 931kΩ, R
2
= 294kΩ, L = 4.7μH, C
FB
= 2.2pF
T
A
= 25°C
T
A
= 85°C
T
A
= –40°C
Maximum I
OUT vs. VIN (VOUT = 5.0V, all VIN Ranges)



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