sc120skevb Semtech Corporation, sc120skevb Datasheet - Page 16

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

Typical Characteristics — V
Startup Max Load Current vs. V
5.05
4.95
4.85
550
500
450
400
350
300
250
200
150
100
5.1
4.9
140
120
100
5
50
80
60
40
20
0
0
Temperature Reg. — PSAVE Mode (V
-50
0.5
0.5
Max. I
R
R
R
1
1
1
= 931k Ω , R
= 931k Ω , R
= 931k Ω , R
T
A
1
1
OUT
= 85°C
-25
T
V
vs. V
A
IN
V
T
2
2
= 25°C
A
IN
= 4.2V
1.5
= 294k Ω , L = 6.8 μ H, C
= 294k Ω , L = 6.8 μ H, C
1.5
2
= –40°C
= 3.6V
= 294k Ω , L = 4.7 μ H, C
IN
Junction Temperature (
0
(V
2
2
OUT
V
= 5.0V, all V
V
T
IN
IN
A
2.5
25
2.5
= 25°C
(V)
(V)
T
FB
FB
A
= 25°C
IN
= 2.2pF, I
= 2.2pF
T
A
FB
3
3
(V
= –40°C
OUT
= 2.2pF
50
o
OUT
C)
T
A
= –40°C
OUT
IN
V
=5.0V, all V
= 5.0V, High V
3.5
3.5
IN
Ranges)
= 5mA
= 3.0V
T
A
OUT
= 85°C
75
T
4
4
A
= 5.0V)
= 85°C
IN
4.5
100
4.5
’s)
IN
Startup Min Load Res. vs. V
Range (continued)
5.05
4.95
4.85
5.1
4.9
160
140
120
100
5
80
60
40
20
0
-50
0.5
Temperature Reg. — PWM Mode (V
R
R
1
1
= 931k Ω , R
= 931k Ω , R
T
A
= 85°C
1
-25
T
A
V
2
2
IN
= –40°C
= 294k Ω , L = 6.8 μ H, C
= 294k Ω , L = 6.8 μ H, C
1.5
= 3.0V
Junction Temperature (
V
0
T
IN
A
= 25°C
= 4.2V
2
IN
V
IN
25
2.5
(V
(V)
V
FB
OUT
FB
IN
= 2.2pF, I
= 2.2pF
= 3.6V
=5.0V, all V
3
50
o
C)
OUT
3.5
= 75mA
OUT
75
SC120
IN
4
= 5.0V)
Ranges)
100
4.5
16