sc120skevb Semtech Corporation, sc120skevb Datasheet - Page 13

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

Typical Characteristics — V
5.05
4.95
5.05
4.95
5.1
4.9
5.1
4.9
5
100
5
90
80
70
60
50
40
30
20
10
0
1.2
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
1.6
0.5
Effi ciency vs. I
Load Regulation (V
2
2
2
= 294k Ω , L = 4.7 μ H, C
T
= 294k Ω , L = 4.7 μ H, C
= 294k Ω , L = 4.7 μ H, C
T
A
A
V
= 85°C
100
= –40°C
1
IN
= 1.6V
V
IN
= 1.6V
2
2
V
150
IN
I
I
OUT
OUT
= 3.2V
V
IN
5
(mA)
(mA)
(V)
OUT
FB
FB
FB
200
10
V
(V
= 2.2pF, I
= 2.2pF, T
= 2.2pF, T
2.4
IN
= 2.4V
OUT
OUT
T
OUT
A
20
V
= 25°C
IN
= 5.0V)
= 2.4V
= 5.0V)
250
OUT
A
A
= 5.0V, Mid V
= 25
= 25
= 5mA
50
2.8
OUT
ο
ο
C
C
V
300
100
IN
= 5.0V)
= 3.2V
200
3.2
350
IN
Range
5.05
4.95
5.05
4.95
5.1
4.9
5.1
4.9
5
100
5
90
80
70
60
50
40
30
20
10
0
1.2
0.1
0
R
R
R
Line Regulation — PWM Mode (V
T
1
1
1
A
= 931k Ω , R
= 931k Ω , R
= 931k Ω , R
= –40°C
0.2
50
1.6
0.5
Effi ciency vs. I
Load Regulation (V
T
2
2
2
A
= 294k Ω , L = 4.7 μ H, C
= 294k Ω , L = 4.7 μ H, C
= 294k Ω , L = 4.7 μ H, C
= 85°C
T
A
100
1
= 25°C
T
A
T
A
= 85°C
2
= 85°C
2
150
T
I
I
A
T
OUT
OUT
V
A
= –40°C
= 85°C
IN
5
(mA)
(mA)
(V)
OUT
T
FB
FB
A
FB
200
10
= –40°C
(V
= 2.2pF, I
= 2.2pF, V
= 2.2pF, V
2.4
T
OUT
OUT
A
20
= –40°C
T
= 5.0V)
= 5.0V)
A
250
OUT
T
= 25°C
IN
IN
A
= 25°C
= 2.4V
= 2.4V
= 75mA
50
2.8
OUT
300
SC120
100
= 5.0V)
200
3.2
350
13