sc120skevb Semtech Corporation, sc120skevb Datasheet - Page 5

• Manufacturer Part Number: sc120skevb
• Description: Low Voltage Synchronous Boost Regulator
• Manufacturer: Semtech Corporation

Typical Characteristics — V
1.84
1.82
1.78
1.76
1.84
1.82
1.78
1.76
1.8
1.8
100
90
80
70
60
50
40
30
20
10
0
0.1
0
0.7
R
R
R
Line Regulation — PSAVE Mode (V
1
1
1
= 499k Ω , R
= 499k Ω , R
= 499k Ω , R
0.2
V
IN
0.8
= 0.8V
50
0.5
Effi ciency vs. I
Load Regulation (V
0.9
2
2
2
= 1M Ω , L = 4.7 μ H, T
= 1M Ω , L = 4.7 μ H, I
= 1M Ω , L = 4.7 μ H, T
T
A
= 25°C
1
V
IN
1
= 0.8V
2
100
1.1
I
I
OUT
OUT
V
IN
5
T
A
(mA)
(mA)
T
OUT
OUT
(V)
A
= 85°C
A
A
V
= –40°C
= 25
1.2
= 25
IN
= 5mA
10
(V
= 1.6V
150
ο
ο
C
C
OUT
OUT
OUT
20
V
1.3
V
IN
IN
= 1.8V)
= 1.8V)
= 1.6V
= 1.2V
= 1.8V
50
1.4
200
OUT
100
V
IN
= 1.8V)
1.5
= 1.2V
200
250
1.6
1.84
1.82
1.78
1.76
1.84
1.82
1.78
1.76
100
1.8
1.8
90
80
70
60
50
40
30
20
10
0
0.1
0.7
0
R
R
R
T
Line Regulation — PWM Mode (V
1
1
1
A
= 499k Ω , R
= 499k Ω , R
= 499k Ω , R
= –40°C
0.2
0.8
T
A
50
0.5
Effi ciency vs. I
Load Regulation (V
= 25°C
0.9
2
2
2
= 1M Ω , L = 4.7 μ H, I
= 1M Ω , L = 4.7 μ H, V
= 1M Ω , L = 4.7 μ H, V
T
T
A
A
= 85°C
1
= –40°C
1
2
100
1.1
I
I
OUT
OUT
V
IN
T
5
T
A
(mA)
(mA)
OUT
A
OUT
(V)
= 25°C
IN
IN
= 85°C
1.2
= 1.2V
= 1.2V
T
= 35mA
10
A
(V
150
= 85°C
T
A
T
T
= –40°C
T
OUT
OUT
A
A
A
20
= –40°C
1.3
= 25°C
= 85°C
= 1.8V)
= 1.8V)
50
1.4
200
OUT
SC120
100
= 1.8V)
1.5
200
250
1.6
5