MIC2145 Micrel Semiconductor, MIC2145 Datasheet - Page 5

• Manufacturer Part Number: MIC2145
• Description: High Efficiency 2.5W Boost Converter
• Manufacturer: Micrel Semiconductor

May 2003
MIC2145
14
12
10
8
6
4
2
0
-40 -20
Soft Start Current
TEMPERATURE ( C)
vs. Temperature
0
20 40 60 80 100
V
IN
= 3.6V
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-40 -20
R
V
V
L = 10 H
SET
IN
OUT
= 3.6V
Peak Current Limit
TEMPERATURE ( C)
= 500
vs. Temperature
= 10V
0
20 40 60 80 100
5
R
SET
= 200
R
R
SET
SET
= 10k
= 1k
2000
1800
1600
1400
1200
1000
800
600
400
100
L = 10 H
VOUT/VIN > 1.25
Peak Current Limit
1000
vs. RSET
RSET( )
10000
VIN =
15V
5.0V
4.2V
3.6V
12V
10V
3.3V
3.0V
2.4V
8.0V
100000
MIC2145
Micrel