sc120skevb Semtech Corporation, sc120skevb Datasheet - Page 8

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

Typical Characteristics — V
3.36
3.32
3.28
3.24
0.6
0.5
0.4
0.3
0.2
3.4
3.2
0.1
90
80
70
60
50
40
30
20
10
0
0
-50
0.6
0.7
Temperature Reg. — PSAVE Mode (V
Startup Max. Load Current vs. V
V
FB grounded, L = 4.7 μ H
FB grounded, L = 4.7 μ H, I
OUT
T
A
= 3.3V
= 25°C
0.9
1
-25
1.1
Max. I
V
IN
= 1.0V
1.4
Junction Temperature (
0
1.3
T
OUT
V
A
OUT
IN
= 85°C
Input Voltage (V)
= 3.0V
1.8
= 5mA
vs. V
1.5
T = 85°C
V
IN
25
T
A
(V)
IN
= –40°C
1.7
2.2
(V
OUT
T = 25°C
OUT
50
1.9
o
C)
= 3.3V)
T = -40°C
2.6
IN
= 3.3V (continued)
V
IN
(V
2.1
= 2.0V
OUT
75
OUT
3
= 3.3V)
2.3
= 3.3V)
100
3.4
2.5
Min. Start-up Voltage vs. Temperature (V
0.75
0.65
0.85
3.36
3.32
3.28
3.24
160
140
120
100
0.9
0.8
0.7
0.6
3.4
3.2
80
60
40
20
Startup Min. Load Resistance vs. V
0
-50
0.6
-40
V
Temperature Reg. — PWM Mode (V
FB grounded, L = 4.7 μ H
FB grounded, L = 4.7 μ H, I
T
OUT
A
= 25°C
T
= 3.3V, I
A
= 85°C
-20
1
-25
OUT
V
IN
V
= 1.0V
= 1mA
IN
= 3.0V
1.4
0
Junction Temperature (
0
T
OUT
A
Temperature (°C)
= –40°C
1.8
= 75mA
20
V
IN
25
(V)
2.2
40
50
o
C)
V
2.6
60
IN
IN
= 2.0V
(V
OUT
OUT
75
OUT
SC120
3
80
= 3.3V)
= 3.3V)
= 3.3V)
100
3.4
100
8