SC120 SEMTECH [Semtech Corporation], SC120 Datasheet - Page 5

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

Typical Characteristics
100
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0.1
0.1
0.1
R1 = 499k Ω , R2 = 1M Ω , L = 4.7 μ H, T
FB grounded, L = 4.7 μ H, T
R1 = 1.37M Ω , R2 = 590k Ω , L = 4.7 μ H, T
0.2
0.2
0.2
0.5
0.5
0.5
Effi ciency vs. I
Effi ciency vs. I
Effi ciency vs. I
1
1
1
V
IN
V
V
= 1.0V
IN
IN
= 1.0V
2
= 0.7V
2
2
A
V
= 25
V
IN
IN
= 3.0V
I
I
I
5
OUT
OUT
OUT
5
= 3.0V
5
ο
C
(mA)
(mA)
(mA)
OUT
OUT
OUT
10
A
10
10
= 25
A
(V
(V
(V
= 25
20
ο
20
20
C
OUT
OUT
OUT
V
ο
IN
C
= 2.0V
= 1.8V)
= 3.3V)
= 4.0V)
50
50
V
50
IN
= 2.0V
V
100 200
V
IN
100
100
IN
= 1.1V
= 1.5V
200
200
PRELIMINARY
500
500
500
100
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0.1
0.1
0.1
R1 = 1.37M Ω , R2 = 590k Ω , L = 4.7 μ H, V
R1 = 499k Ω , R2 = 1M Ω , L = 4.7 μ H, V
FB grounded, L = 4.7 μ H, V
0.2
0.2
0.2
0.5
0.5
0.5
Effi ciency vs. I
Effi ciency vs. I
Effi ciency vs. I
1
1
1
2
2
2
IN
= 1.5V
T
A
I
I
I
5
= 25°C
OUT
OUT
OUT
5
5
T
A
T
(mA)
(mA)
(mA)
A
OUT
= 25°C
OUT
OUT
10
T
= 85°C
IN
10
10
T
A
A
= 1.1V
= 85°C
IN
= –40°C
(V
(V
(V
= 2.4V
T
20
A
20
20
T
OUT
= –40°C
OUT
OUT
A
= 25°C
T
A
= 85°C
= 1.8V)
= 3.3V)
= 4.0V)
50
50
50
100 200
100
100
SC120
T
A
200
200
= –40°C
500
500
500
5