MIC2811_08 Datasheet, PDF (14/17 Pages) Micrel Semiconductor – Digital Power Management IC 2MHz, 600mA DC/DC with Triple 300mA LDOs

Micrel, Inc.
MIC2811/2821-YML Schematic
MIC2811/2821
J1
DVIN
J2
GND
J3
VIN1
J4
VIN2
VIN2
R4
J7
10K
EN1
J8
EN2
VIN1
R5
J6
10K
EN
J6
EN
DVIN
C1
4.7µF/6.3V
DVIN
C2
4.7µF/6.3V
U1
MIC2811/2821-YML
6 _DVIN
LDO3 ⁹
10 _VIN
LDO2 ⁸
VO-LDO3
C9
2.2µF/6.3V
VO-LDO2
C8
2.2µF/6.3V
VIN1
C3
4.7µF/6.3V
VIN2
C4
4.7µF/6.3V
12 _VIN1
7 _VIN2
15 _EN
1 _EN1
16 _EN2
R5 10K (FOR MIC2821 ONLY)
C5
0.1µF (FOR MIC2811 ONLY)
LDO1 ¹¹
C7
2.2µF/6.3V
SW ⁵
L1
2.2µH
FB ¹³
R1
OPTION
R2
OPTION
BIAS ²
C6
0.1µF/10V
J10
VO_LDO3
J11
VO_LDO2
J12
VO_LDO1
J5
GND
VO
C10
4.7µF/6.3V
J13
VOUT
J14
GND
April 2008
14
M9999-042208-A