sc120skevb Semtech Corporation, sc120skevb Datasheet - Page 7

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

Typical Characteristics — V
3.36
3.32
3.28
3.24
3.36
3.32
3.28
3.24
3.4
3.2
100
3.4
3.2
90
80
70
60
50
40
30
20
10
0
0.1
0.6
0
FB grounded, L = 4.7 μ H, I
FB grounded, L = 4.7 μ H, T
FB grounded, L = 4.7 μ H, T
Line Regulation — PSAVE Mode (V
V
V
IN
IN
0.2
= 3.0V
= 1.0V
50
T
A
1
= 25°C
0.5
Load Regulation (V
Effi ciency vs. I
100
1
1.4
T
V
2
150
OUT
A
IN
A
A
= 85°C
= 1.0V
= 25
= 25
= 5mA
1.8
I
I
OUT
OUT
V
ο
ο
5
C
C
IN
200
(mA)
(mA)
OUT
(V)
10
2.2
(V
V
250
IN
OUT
20
OUT
OUT
= 3.0V
= 3.3V)
= 3.3V)
2.6
= 3.3V
300
50
V
T
IN
V
A
IN
= 2.0V
= –40°C
OUT
= 2.0V
100
3
350
= 3.3V)
200
400
3.4
3.36
3.32
3.28
3.24
3.36
3.32
3.28
3.24
3.4
3.2
100
3.4
3.2
90
80
70
60
50
40
30
20
10
0
0.6
0.1
0
FB grounded, L = 4.7 μ H, I
FB grounded, L = 4.7 μ H, V
FB grounded, L = 4.7 μ H, V
Line Regulation — PWM Mode (V
T
T
A
A
= –40°C
0.2
= 85°C
50
1
0.5
Effi ciency vs. I
Load Regulation (V
100
1
1.4
2
150
OUT
T
IN
IN
A
= 2V
= 2V
= –40°C
= 75mA
1.8
T
T
I
A
I
A
OUT
OUT
V
= 85°C
= 85°C
5
IN
200
T
(mA)
(mA)
A
T
OUT
(V)
A
= –40°C
= 25°C
10
2.2
(V
250
OUT
20
OUT
T
A
= 85°C
= 3.3V)
= 3.3V)
2.6
T
A
300
50
= 25°C
OUT
100
T
SC120
3
A
350
= 3.3V)
T
= –40°C
A
200
= 25°C
400
3.4
7