sc120skevb Semtech Corporation, sc120skevb Datasheet - Page 10

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

Typical Characteristics — V
4.05
3.95
3.85
100
4.1
3.9
4
90
80
70
60
50
40
30
20
10
0
Temperature Reg. — PSAVE Mode (V
-50
0.6
Startup Max. Load Current vs. V
R
R
1
1
= 931k Ω , R
= 931k Ω , R
T
A
= 25°C
1
-25
2
2
= 402k Ω , L = 4.7 μ H, C
= 402k Ω , L = 4.7 μ H, C
1.4
V
Junction Temperature (
IN
0
= 3.2V
1.8
T
V
V
A
IN
IN
= 85°C
2.2
25
= 1.2V
(V)
FB
FB
= 2.2pF
= 2.2pF, I
2.6
OUT
50
o
T
C)
A
= –40°C
OUT
IN
= 4.0V (continued)
3
= 5mA
(V
OUT
OUT
V
75
IN
3.4
= 2.4V
= 4.0V)
= 4.0V)
100
3.8
4.05
3.95
3.85
160
140
120
100
4.1
3.9
80
60
40
20
4
Startup Min. Load Resistance vs. V
0
-50
0.6
Temperature Reg. — PWM Mode (V
R
R
1
1
= 931k Ω , R
= 931k Ω , R
T
A
1
= 85°C
-25
2
2
= 402k Ω , L = 4.7 μ H, C
1.4
= 402k Ω , L = 4.7 μ H, C
V
IN
Junction Temperature (
T
T
= 3.2V
A
0
A
= 25°C
= –40°C
1.8
V
IN
V
= 1.2V
IN
25
2.2
(V)
FB
FB
V
= 2.2pF, I
= 2.2pF
IN
2.6
= 2.4V
50
o
C)
OUT
IN
3
= 75mA
(V
OUT
75
OUT
SC120
3.4
= 4.0V)
= 4.0V)
100
3.8
10