sc120skevb Semtech Corporation, sc120skevb Datasheet - Page 15

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

Typical Characteristics — V
5.05
4.95
4.85
5.05
4.95
4.85
5.1
4.9
5.1
4.9
100
5
5
90
80
70
60
50
40
30
20
10
0
0.5
0.1
0
R
R
R
Line Regulation — PSAVE Mode (V
1
1
1
= 931k Ω , R
= 931k Ω , R
= 931k Ω , R
0.2
50
1
T
0.5
100
A
Effi ciency vs. I
Load Regulation (V
T
= –40°C
2
2
A
2
V
= 85°C
= 294k Ω , L = 6.8 μ H, C
= 294k Ω , L = 6.8 μ H, C
1.5
= 294k Ω , L = 6.8 μ H, C
IN
1
= 3.0V
150
2
2
200
V
IN
= 4.2V
I
I
OUT
OUT
5
V
IN
250
2.5
V
(mA)
(mA)
OUT
(V)
IN
10
FB
= 3.0V
FB
FB
T
A
(V
= 2.2pF, T
= 2.2pF, I
= 2.2pF, T
300
= 25°C
V
20
3
IN
OUT
OUT
OUT
V
= 4.2V
IN
350
= 3.6V
= 5.0V)
= 5.0V)
OUT
50
A
A
V
= 5.0V, High V
3.5
= 25
IN
= 25
= 5mA
= 3.6V
400
100
ο
OUT
ο
C
C
4
= 5.0V)
200
450
500
500
4.5
IN
Range
5.05
4.95
4.85
5.05
4.95
4.85
100
5.1
4.9
5.1
4.9
90
80
70
60
50
40
30
20
10
5
5
0
0.1
0
0.5
R
R
R
Line Regulation — PWM Mode (V
T
1
1
1
A
= 931k Ω , R
= 931k Ω , R
= 931k Ω , R
0.2
= –40°C
50
1
T
A
0.5
100
= 85°C
Effi ciency vs. I
Load Regulation (V
2
2
2
= 294k Ω , L = 6.8 μ H, C
= 294k Ω , L = 6.8 μ H, C
= 294k Ω , L = 6.8 μ H, C
1.5
1
150
T
T
A
A
= 25°C
2
= –40°C
2
200
I
I
OUT
T
OUT
5
T
A
V
A
= 85°C
IN
250
= –40°C
2.5
(mA)
(mA)
OUT
(V)
10
T
A
FB
FB
FB
= 85°C
(V
= 2.2pF, V
= 2.2pF, V
300
= 2.2pF, I
20
T
3
OUT
OUT
A
= 25°C
350
= 5.0V)
= 5.0V)
OUT
50
IN
IN
3.5
= 3.6V
= 3.6V
= 75mA
400
OUT
100
T
T
A
A
= –40°C
= 25°C
SC120
T
= 5.0V)
4
A
200
450
= 85°C
500
500
4.5
15