ADP5042 Analog Devices, ADP5042 Datasheet - Page 27
ADP5042
Manufacturer Part Number
ADP5042
Description
Micro PMU with 0.8 A Buck, Two 300 mA LDOs, Supervisory, Watchdog and Manual Reset
Manufacturer
Analog Devices
Datasheet
1.ADP5042.pdf
(32 pages)
- Current page: 27 of 32
- Download datasheet (2Mb)
Data Sheet
EVALUATION BOARD SCHEMATICS AND ARTWORK
SUGGESTED LAYOUT
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
mm
1.8V
0.5
VIN1 = 2.3V
VIN2 = 1.7V
VIN3 = 1.7V
TO 5.5V
1.0
6.3V/XR5 0603
TO 5.5V
TO 5.5V
C6 - 10
1.5
µ
GPL
F
PPL
4.7µF
GPL
1µF
1µF
2.0
C1
C3
GPL
R
C5
30Ω
FILT
PPL
GPL
TP5
TP6
TP8
GPL
2.5
PPL
GPL
AVIN
VIN1
VIN2
VIN3
EN1
EN2
EN3
3.0
Figure 67. Evaluation Board Schematic
MODE
PGND
VIN1
EN1
EN
SW
AVIN
3.5
AVIN
EN_LDO1
EN_LDO2
EN_BK
Rev. A | Page 27 of 32
Figure 68. Layout
BUCK
LDO1
LDO2
4.0
6.3V/XR5
C3 – 1µF
C1 – 1µF
10V/XR5
AGND
0402
0402
GPL
GPL
4.5
ADP5042
AGND
PPL
5.0
MODE
SW
VOUT1
PGND
VOUT2
WSTAT
nRSTO
VOUT3
GPL
GPL
WDI1
WDI2
1.5V
TP4
3.3V
5.5
TP12
1µH
6.3V/XR5
C4 – 1µF
C2 – 1µF
10V/XR5
L1
TP11
0402
0402
6.0
TP3
TP9
PIN 1
TP1
C4
1µF
6.5
WMOD
WDI1
EN2
C6
10µF
NC
MR
TP2
VOUT3 AT
300mA
C2
1µF
VOUT1 AT
800mA
TP10
7.0
VIAs LEGEND
PPL = POWER PLANE (+4V)
GPL = GROUND PLANE
VOUT2 AT
300mA
mm
TP7
TOP LAYER
SECOND LAYER
ADP5042
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