MIC2145_05 Datasheet, PDF (5/15 Pages) Micrel Semiconductor – High Efficiency 2.5W Boost Converter

MIC2145
Soft Start Current
vs. Temperature
14
12
10
8
6
4
2
V_IN = 3.6V
0-40 _{-20 0 20 40 60 80 100}
TEMPERATURE (°C)
Peak Current Limit
vs. Temperature
1.4
1.3
R_SET = 200
1.2
1.1
1.0
R_SET = 500
0.9
R_SET = 1k
0.8
0.7
0.6
0.5
0.4
0.3
V_IN = 3.6V
0.2 ^VOUT ^{= 10V}
R_SET = 10k
0.1 L = 10µH
0-40 _{-20 0 20 40 60 80 100}
TEMPERATURE (°C)
Micrel, Inc.
2000
1800
Peak Current Limit
vs. RSET
VIN =
15V
1600
12V
1400
10V
1200
8.0V
1000
800
5.0V
4.2V
600
L = 10µH
40100^V₀^OUT/VIN
> 1.25
1000
3.6V
3.3V
3.0V
2.4V
10000 100000
RSET(Ω)
April 2005
5
M9999-042205