MIC4742 Datasheet, PDF (17/23 Pages) Micrel Semiconductor – 2 MHz Dual 2A Integrated Switch Buck Regulator

Micrel, Inc.
Bill of Materials
MIC4742
MIC4742YML Schematic for 2A Output
Item
C11,C12
C21,C22
C13*,C23*
C14,C24
C15,C25
Part Number
GRM188R60J106M
C1608X5R0J106M
06036D106KMAT2A
VJ0603A681KXXCW
VJ0603A820KXXCW
GRM188R60J475K
C1608 X5R0J475M
C16,C26,C7
C18,C28
D1,D2
L1,L2
R11,R12
R12,R22
0603D475MAT
VJ0603Y104KXXAT
SS2P3L
SSA23L
B230A
IHLP2525AH-01 1R0
RLF7030-1R0 N
HCP0703-1R0
CRCW060310K0FKXX
CRCW06033K16FKXX
CRCW06034K99FKXX
CRCW06036K65FKXX
CRCW060310K0FKXX
CRCW060315K0FKXX
* only for ultra-low noise applications.
Manufacturer
Murata⁽¹⁾
TDK⁽²⁾
AVX⁽³⁾
Vishay⁽⁴⁾
Vishay⁽⁴⁾
Murata⁽¹⁾
TDK⁽²⁾
AVX⁽³⁾
Vishay⁽⁴⁾
Vishay⁽⁴⁾
Vishay⁽⁴⁾
Diodes⁽⁵⁾
Vishay⁽⁴⁾
TDK⁽²⁾
COOPER⁽⁶⁾
Vishay⁽⁴⁾
Vishay⁽⁴⁾
Description
Qty
10µF Ceramic Capacitor X5R 0603 6.3V
4
680pF Ceramic Capacitor NPO 0603 6.3V
2
82pF Ceramic Capacitor NPO 0603 10V
2
4.7µF Ceramic Capacitor X5R 0603 6.3V
2
0.1µF Ceramic Capacitor X7R 0603 25V
5
2A Schottky 30V
2
1µH Inductor 17.5mΩ 6.86mm(L) x 6.47mm(W) x 1.8mm(H)
1µH Inductor 8.8mΩ 7.3mm(L) x 6.8mm(W) x 3.2mm(H)
2
1µH Inductor 10mΩ 7.3mm(L) x 7.0mm(W) x 3.0mm(H)
10KΩ1% 0603 resistor
2
3.16kΩ 1% 0603 For 2.5V_OUT
4.99kΩ 1% 0603 For 1.8 V_OUT
6.65kΩ 1% 0603 For 1.5 V_OUT
2
10kΩ 1% 0603 For 1.2 V_OUT
15kΩ 1% 0603 For 1.0 V_OUT
March 2009
17
M9999-030209-D