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| MIC4744 Datasheet, PDF (17/23 Pages) Micrel Semiconductor – 4 MHz Dual 2A Integrated Switch Buck Regulator | |||
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Micrel, Inc.
Bill of Materials
MIC4744
MIC4744YML Schematic for 2A Output
Item
Part Number
Manufacturer Description
Qty
C11,C12
GRM188R60J106M
Murata(1)
C21,C22
C1608X5R0J106M
TDK(2)
10µF Ceramic Capacitor X5R 0603 6.3V
6
C15,C25
06036D106KMAT2A
AVX(3)
C13*,C23*
VJ0603A681KXXCW
Vishay(4)
680pF Ceramic Capacitor NPO 0603 6.3V
2
C14, C24
VJ0603A82KXXCW
Vishay(4)
82pF Ceramic Capacitor NPO 0603 10V
2
C16,C26,C7
C18,C28
D1,D2
L1,L2
R11,R12
VJ0603Y104KXXAT
SS2P3L
SSA23L
B230A
IHLP1616AB-01 R47
CRCW060310K0FKXX
Vishay(4)
Vishay(4)
Vishay(4)
Diodes(5)
Vishay(4)
Vishay(4)
0.1µF Ceramic Capacitor X7R 0603 25V
5
2A Schottky 30V
2
0.47µH Inductor 20m⦠4.45mm(L) x 4.06mm(W) x 1.2mm(H) 2
10kâ¦, 1%, Size, 0603 Resistor
2
R12,R22
CRCW06033K16FKXX
3.16kâ¦, 1%, Size 0603, For 2.5VOUT
CRCW06034K99FKXX
4.99kâ¦, 1%, Size 0603, For 1.8 VOUT
CRCW06036K65FKXX
Vishay(4)
6.65kâ¦, 1%, Size 0603, For 1.5 VOUT
2
CRCW060310K0FKXX
10kâ¦, 1%, Size 0603, For 1.2 VOUT
CRCW060315K0FKXX
15kâ¦, 1%, Size 0603, For 1.0 VOUT
R13*, R23* CRCW06032R70FKXX
Vishay(4)
2.7â¦, 1%, Size 0603, Resistor
2
R14, R24
CRCW060349K9FKXX
Vishay(4)
49.9kâ¦, 1%, Size 0603, Resistor
2
R5
CRCW060310R0FKXX
Vishay(4)
10â¦, 1%, Size 0603, Resistor
1
U1
MIC4744YML
Micrel, Inc.(6) Dual 2A 4MHz Integrated Switch Buck Regulator
1
* Only need for ultra-low noise applications.
March 2009
17
M9999-030209-C
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