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MIC23158YML-EV

P1-P3P4-P6P7-P9
Micrel, Inc.
MIC23158/9 Evaluation Board
February 4, 2013
4
Revision 1.0
Evaluation Board Performance
Efficiency (V
OUT
= 3.3V) vs.
Output Current
0
10
20
30
40
50
60
70
80
90
100
1 10 100 1000 10000
OUTPUT CURRENT (mA)
EFFICIENCY (%)
VIN = 4.2V
VIN = 5V
C
OUT
=4.7µF
L=1µH
Efficiency (V
OUT
= 2.5V) vs.
Output Current
0
10
20
30
40
50
60
70
80
90
100
1 10 100 1000 10000
OUTPUT CURRENT (mA)
EFFICIENCY (%)
VIN = 4.2V
VIN = 3.6V
VIN = 5V
C
OUT
=4.7µF
L=1µH
Efficiency (V
OUT
= 1.8V) vs.
Output Current
0
10
20
30
40
50
60
70
80
90
100
1 10 100 1000 10000
OUTPUT CURRENT (mA)
EFFICIENCY (%)
VIN = 2.7V
VIN = 4.2V
VIN = 3.6V
VIN = 5V
C
OUT
=4.7µF
L=1µH
Efficiency (V
OUT
= 1.5V) vs.
Output Current
0
10
20
30
40
50
60
70
80
90
100
1 10 100 1000 10000
OUTPUT CURRENT (mA)
EFFICIENCY (%)
VIN = 2.7V
VIN = 4.2V
VIN = 3.6V
VIN = 5V
C
OUT
=4.7µF
L=1µH
V
OUT
Rise Time
vs. C
SS
10
100
1000
10000
100000
1000000
100 1000 10000 100000 1000000
CSS (pF)
RISE TIME (µs)
V
OUT
= 1.8V
C
OUT
= 4.7
µF
Switching Frequency
vs. Output Current
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0.1 1 10 100 1000 10000
OUTPUT CURRENT (mA)
SWITCHING FREQUENCY (MHz)
L=1.0µH
L=0.47µH
Micrel, Inc.
MIC23158/9 Evaluation Board
February 4, 2013
5
Revision 1.0
Evaluation Board Schematic (Adjustable Output)
Micrel, Inc.
MIC23158/9 Evaluation Board
February 4, 2013
6
Revision 1.0
Bill of Materials
Item
Part Name
Manufacturer
Description
Qty.
C1, C2,
C7, C8
06036D475KAT2A AVX
(1)
4.7µF, 6.3V, X5R, 0603 4 GRM188R60J475KE19D Murata
(2)
C1608X5R0J475K TDK
(3)
C3, C4
06036D105KAT2A
AVX
1µF, 0603, 6.3V 2
GRM188R60J105KA01D
Murata
C1608X5R0J105K
TDK
C9, C10
06035A471JAT2A
AVX
470pF, 50V, 0603 2
GRM1885C1H471JA01D
Murata
C1608C0G1H471J
TDK
C13
EKY-500ELL101MHB5D
United Chemi-con
(4)
Cap Alum, 100µF, 50V, 20%, Radial
1
L1, L2
CDRH4D28CLDNP-1R0P
Sumida
(5)
1µH, 3.0A, 14mΩ, L5.1mm × W5.1mm × H3.0mm
2
LQH44PN1R0NJ0
Murata
1µH, 2.0A, 48mΩ, L4.0mm × W4.0mm × H1.1mm
R1, R2,
R3, R12
CRCW06030000Z0EA Vishay/Dale
(6)
0Ω, 1/10W, 0603 4
R4
CRCW06033013FKEA
Vishay/Dale
301KΩ, 1%, 1/10W, 0603
1
R5
CRCW06033163FKEA
Vishay/Dale
316KΩ, 1%, 1/10W, 0603
1
R6
CRCW06031583FKEA
Vishay/Dale
158KΩ, 1%, 1/10W, 0603
1
R7
CRCW06032213FKEA
Vishay/Dale
221KΩ, 1%, 1/10W, 0603
1
R8, R9
CRCW06031003FKEA
Vishay/Dale
100KΩ, 1%, 1/10W, 0603
2
R10, R11
CRCW06031002FKEA
Vishay/Dale
10KΩ, 1%, 1/10W, 0603
2
U1 MIC23158YML Micrel, Inc.
(7)
3MHz, PWM, Dual 2A Buck Regulator with
HyperLight Load and Power Good
1
Notes:
1. AVX: www.avx.com
.
2. Murata: www.murata.com.
3. TDK: www.tdk.com.
4. United Chemi-con: www.chemi-con.com.
5. Sumida: www.sumida.com.
6. Vishay: www.vishay.com.
7. Micrel, Inc.: www.micrel.com.
P1-P3P4-P6P7-P9

MIC23158YML-EV

Mfr. #:
Buy MIC23158YML-EV
Manufacturer:
Description:
Power Management IC Development Tools Eval -3MHz PWM Dual 2A Buck Reg
Lifecycle:
New from this manufacturer.
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