sc120skevb Semtech Corporation, sc120skevb Datasheet - Page 11

• 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
0.6
0.1
0
R
R
R
Line Regulation — PSAVE Mode (V
T
1
1
1
A
V
= 931k Ω , R
= 931k Ω , R
= 931k Ω , R
= 25°C
IN
0.2
= 0.8V
0.8
20
Load Regulation (V
Effi ciency vs. I
0.5
2
2
2
= 294k Ω , L = 3.3 μ H, C
= 294k Ω , L = 3.3 μ H, C
= 294k Ω , L = 3.3 μ H, C
V
IN
40
1
= 0.8V
1
V
2
IN
I
I
OUT
OUT
= 1.2V
V
V
T
A
IN
IN
V
1.2
60
= 85°C
= 1.2V
(mA)
IN
(mA)
(V)
OUT
= 1.6V
5
(V
FB
FB
FB
OUT
OUT
OUT
= 10pF, T
= 10pF, T
= 10pF, I
1.4
10
80
= 5.0V)
= 5.0V)
T
= 5.0V, Low V
A
20
= –40°C
OUT
A
A
OUT
100
1.6
= 25
= 25
V
= 1mA
IN
= 1.6V
= 5.0V)
50
ο
ο
C
C
100
120
1.8
IN
Range
5.05
4.95
5.05
4.95
5.1
4.9
5.1
4.9
100
5
5
90
80
70
60
50
40
30
20
10
0
0.1
0.6
0
R
R
R
Line Regulation — PWM Mode (V
1
1
1
T
A
T
= 931k Ω , R
= 931k Ω , R
= 931k Ω , R
A
= –40°C
0.2
= 25°C
20
0.8
Effi ciency vs. I
Load Regulation (V
0.5
T
A
T
2
2
2
A
= –40°C
= 294k Ω , L = 3.3 μ H, C
= 294k Ω , L = 3.3 μ H, C
= 294k Ω , L = 3.3 μ H, C
= 85°C
1
40
1
T
T
A
A
= 85°C
= 85°C
2
I
I
OUT
OUT
T
V
A
IN
1.2
60
= –40°C
(mA)
(mA)
(V)
OUT
5
(V
T
FB
FB
FB
A
OUT
= 25°C
OUT
= 10pF, V
= 10pF, I
10
= 10pF, V
80
1.4
T
T
= 5.0V)
T
= 5.0V)
A
A
A
= –40°C
= 25°C
= 85°C
20
OUT
IN
IN
OUT
100
1.6
= 1.2V
= 1.2V
T
= 35mA
A
SC120
= –40°C
= 5.0V)
50
100
120
1.8
11