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| MIC5159_06 Datasheet, PDF (10/23 Pages) Micrel Semiconductor – Programmable Current Limit μCap LDO Regulator Controller | |||
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Micrel, Inc.
Designing with MIC5159
The following section details:
⢠Application examples of possible input/output
configurations with related schematics
designator.
⢠Schematics with âBill of Materialsâ
recommendation, dropout performance and
maximum output current for each FET
combination.
⢠Further advice on MOSFET selection.
3.3VIN to 2.5VOUT Conversion
IOUT
COUT MOSFET
1.0A 10µF Si4433DY
2.5A 22µF Si4433DY x2
2.5A 10µF SUB15P01-52
3.5A 44µF Si4433DY x3
5.0A 44µF Si4433DY x4
5.0A 22µF SUB15P01-52 x2
7.5A 44µF SUB15P01-52 x3
10.0A 44µF SUB15P01-52 x4
Package
SO-8
SO-8
D2PAK
SO-8
SO-8
D2PAK
D2PAK
D2PAK
Schematic
C
D
H
E
F
I
J
K
3.3VIN to 1.8VOUT Conversion
IOUT
COUT MOSFET
0.6A 10µF Si4433DY
1.25A 22µF Si4433DY x2
1.25A 10µF SUB15P01-52
2.0A 44µF Si4433DY x3
2.5A 44µF Si4433DY x4
2.5A 22µF SUB15P01-52 x2
3.75A 44µF SUB15P01-52 x3
5.0A 44µF SUB15P01-52 x4
Package
SO-8
SO-8
D2PAK
SO-8
SO-8
D2PAK
D2PAK
D2PAK
Schematic
C
D
H
E
F
I
J
K
3.3VIN to 1.5VOUT Conversion
IOUT
COUT MOSFET
0.5A 10µF Si4433DY
1.0A 22µF Si4433DY x2
1.0A 10µF SUB15P01-52
1.5A 44µF Si4433DY x3
2.0A 44µF Si4433DY x4
2.0A 22µF SUB15P01-52 x2
3.0A 44µF SUB15P01-52 x3
4.25A 44µF SUB15P01-52 x4
Package
SO-8
SO-8
D2PAK
SO-8
SO-8
D2PAK
D2PAK
D2PAK
Schematic
C
D
H
E
F
I
J
K
MIC5159
3.3VIN to 1.25VOUT Conversion
IOUT
COUT MOSFET
0.4A 10µF Si4433DY
0.75A 22µF Si4433DY x2
0.75A 10µF SUB15P01-52
1.25A 44µF Si4433DY x3
1.75A 44µF Si4433DY x4
1.75A 22µF SUB15P01-52 x2
2.75A 44µF SUB15P01-52 x3
3.75A 44µF SUB15P01-52 x4
Package
SO-8
SO-8
D2PAK
SO-8
SO-8
D2PAK
D2PAK
D2PAK
Schematic
C
D
H
E
F
I
J
K
2.5VIN to 1.8VOUT Conversion
IOUT
1.25A
COUT
10µF
MOSFET
Si4433DY
2.5A 22µF Si4433DY x2
2.5A 10µF SUB15P01-52
4.0A 44µF Si4433DY x3
5.5A 44µF Si4433DY x4
5.5A 22µF SUB15P01-52 x2
8.0A 44µF SUB15P01-52 x3
11.0A 44µF SUB15P01-52 x4
Package
SO-8
SO-8
D2PAK
SO-8
SO-8
D2PAK
D2PAK
D2PAK
Schematic
C
D
H
E
F
I
J
K
2.5VIN to 1.5VOUT Conversion
IOUT
1.0A
COUT
10µF
MOSFET
Si4433DY
2.0A 22µF Si4433DY x2
2.0A 10µF SUB15P01-52
3.0A 44µF Si4433DY x3
4.0A 44µF Si4433DY x4
4.0A 22µF SUB15P01-52 x2
6.0A 44µF SUB15P01-52 x3
8.0A 44µF SUB15P01-52 x4
Package
SO-8
SO-8
D2PAK
SO-8
SO-8
D2PAK
D2PAK
D2PAK
Schematic
C
D
H
E
F
I
J
K
2.5VIN to 1.25VOUT Conversion
IOUT
COUT MOSFET
0.75A 10µF Si4433DY
1.5A 22µF Si4433DY x2
1.5A 10µF SUB15P01-52
2.0A 44µF Si4433DY x3
3.0A 44µF Si4433DY x4
3.0A 22µF SUB15P01-52 x2
4.5A 44µF SUB15P01-52 x3
6.0A 44µF SUB15P01-52 x4
Package
SO-8
SO-8
D2PAK
SO-8
SO-8
D2PAK
D2PAK
D2PAK
Schematic
C
D
H
E
F
I
J
K
June 2006
10
M9999-062706
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