MIC22601 Datasheet, PDF (16/18 Pages) Micrel Semiconductor – 4 MHz, 6A Integrated Switch Synchronous Buck Regulator

Micrel, Inc.
MIC22601
Schematic
J1
+VIN
J2
GND
J3
EN
C1
SVIN _22µF
C3
22µF/6.3V
C2
22µF
C4
22µF
C5
1
6
13
18
SVIN
17
PVIN
PVIN
PVIN
PVIN
SVIN
C6
1nF
C7
10nF
22µF/6.3V 2
4
3
C8
1nF
EN
RC
Delay
5
U1
MIC22601YML
SW
SW
SW
8
9
10
SW
SW
11
20
SW ²¹
SW
SW
22
23
FB ¹⁴
Comp ¹⁵
C9
7 12 19 24 16
15pF
L1
0.22µH
C10
D1
47µF/6.3V
C11
47µF/6.3V
R2
698
R4
20k
R1
1.1k
C12
100pF
SVIN _R3
47.5k
J11
POR
J7
+VOUT
1.8V@6A
J8
GND
Bill of Materials
Item
Part Number
Manufacturer
Description
Qty
C2012X5R0J226M
TDK⁽¹⁾
C1, C2, C3,
C4, C5
08056D226MAT
AVX⁽²⁾
22µF/6.3V, 0805 Ceramic Capacitor
5
GRM21BR60J226ME39L
Murata⁽³⁾
C6
Open
NA
Open, 0603 Ceramic Capacitor
NA
C7
GRM188R71H103KA01D
Murata⁽³⁾
10nF, 0603 Ceramic Capacitor
1
C8
VJ0603Y102KXQCW1BC
Vishay⁽⁴⁾
1nF, 0603 Ceramic Capacitor
1
C9
C1005COG1H150J
TDK⁽¹⁾
15pF, 0402 Ceramic Capacitor
1
C3216X5R0J476M
TDK⁽¹⁾
C10, C11 GRM31CR60J476ME19
Murata⁽³⁾
47µF/6.3V, 1206 Ceramic Capacitor
2
GRM31CC80G476ME19L
Murata⁽³⁾
C12
VJ0402A101KXQCW1BC
Vishay⁽⁴⁾
100pF, 0603 Ceramic Capacitor
1
SS2P2L
Visyay⁽⁴⁾
D1
DFLS220
Diodes, Inc. ⁽⁵⁾
2A, 20V Schottky Diode
1
L1
IHLP1616ABERR22M01
Vishay⁽⁴⁾
0.22µH, 9.5A
1
R1
CRCW06031101FKEYE3
Vishay⁽⁴⁾
1.1k, 0603 Resistor
1
R2
CRCW04026980FKEYE3
Vishay⁽⁴⁾
698Ω, 0603 Resistor
1
R3
CRCW06034752FKEYE3
Vishay⁽⁴⁾
47.5k, 0603 Resistor
1
R4
CRCW04022002FKEYE3
Vishay⁽⁴⁾
20k, 0402 Resistor
1
U1
MIC22601YML
Micrel⁽⁶⁾
Integrated 6A Synchronous Buck Regulator
1
Notes:
1. TDK: www.tdk.com
2. AVX: www.avx.com
3. Murata: www.murata.com
4. Vishay: www.vishay.com
5. Diodes, Inc.: www.diodes.com
6. Micrel: www.micrel.com
May 2009
16
M9999-050509-A