SC120 SEMTECH [Semtech Corporation], SC120 Datasheet - Page 6

• Manufacturer Part Number: SC120
• Description: Low Voltage Synchronous Boost Converter
• Manufacturer: SEMTECH [Semtech Corporation]

Typical Characteristics (continued)
1.85
1.84
1.83
1.82
1.81
1.79
1.78
1.77
4.05
3.95
3.85
3.34
3.32
3.28
3.26
3.24
3.22
1.8
3.9
3.3
3.2
4
0
0
0
R1 = 1.37M Ω , R2 = 590k Ω , L = 4.7 μ H, T
R1 = 499k Ω , R2 = 1M Ω , L = 4.7 μ H, T
FB grounded, L = 4.7 μ H, T
V
IN
50
50
= 0.7V
50
V
IN
V
IN
Load Regulation vs. (V
= 1.0V
100
100
= 1.0V
100
Load Regulation (V
Load Regulation (V
V
IN
150
150
150
= 1.1V
A
200
200
200
= 25
I
I
I
OUT
OUT
OUT
V
V
ο
C
IN
IN
250
250
250
= 1.5V
(mA)
(mA)
= 2.0V
(mA)
A
= 25
A
V
V
300
300
300
= 25
IN
IN
ο
= 3.0V
= 2.0V
C
OUT
OUT
ο
V
C
OUT
IN
350
350
350
= 3.0V
= 1.8V)
= 3.3V)
= 4.0V)
400
400
400
450
450
450
PRELIMINARY
500
500
500
4.05
3.95
3.85
1.85
1.84
1.83
1.82
1.81
1.79
1.78
1.77
3.34
3.32
3.28
3.26
3.24
3.22
3.9
1.8
3.3
3.2
4
0
0
0
R1 = 499k Ω , R2 = 1M Ω , L = 4.7 μ H, V
FB grounded, L = 4.7 μ H, V
R1 = 1.37M Ω , R2 = 590k Ω , L = 4.7 μ H, V
T
T
A
T
T
A
A
= –40°C
A
= 85°C
= –40°C
= 85°C
50
50
50
100
100
100
Load Regulation (V
Load Regulation (V
Load Regulation (V
T
A
= 25°C
T
150
T
150
150
T
A
A
A
= 25°C
= –40°C
= 85°C
T
IN
200
200
200
A
= 1.5V
= 85°C
T
I
I
I
A
OUT
OUT
OUT
= 25°C
250
250
250
(mA)
(mA)
(mA)
IN
= 1.1V
IN
300
300
300
= 2.4V
OUT
OUT
OUT
T
A
350
350
350
= 1.8V)
= 3.3V)
= 4.0V)
= 85°C
400
400
400
T
A
= –40°C
SC120
T
A
450
450
450
= 25°C
500
500
500
6