Adp2303 Schematic And Bill Of Materials - Analog Devices UG-189 User Manual

Evaluation Board User Guide

ADP2303 SCHEMATIC AND BILL OF MATERIALS

J2
2
1
VIN
J4
2
1
GND
J5
1
2
3
EN
J8
2
1
PWG
J6
1
PWG
Table 2. Bill of Materials for ADP2303 Evaluation Board
Qty Reference Designator
1 C1
1 C2
1 C3
1 C4
1 C5
1 D1
1 L1
1 R1
1 R2
1 R3
1 R4
1 R5
1 U1
2 J6, J7
5 J1, J2, J3, J4, J8
1 J5
1
BST
2
VIN
ADP2303
3
EN
C5
10µF
4
25V
PGOOD
EPAD
9
R2
10kΩ
1%
R4
1.8kΩ
1%
R1
100kΩ
1%
Figure 18. Evaluation Board Schematic for ADP2303
Part Number
GRM188R71E104KA01
Optional
GRM32ER60J476ME20
GRM32ER60J476ME20
GRM31CR61E106KA12
SSB43L
VLF10040-4R7N5R4
CRCW0603100KFKEA
CRCW060310K0FKEA
CRCW060331K6FKEA
CRCW06031K80FKEA
CRCW060310K2FKEA
ADP2303
M20-9990245
M20-9990245
M20-9990346
C1
0.1µF
25V L1
U1
4.7µH
8
SW
7
GND
D1
6
SSB43L
NC
30V, 4A
5
FB
Type Description
Capacitor 0.1 μF, 25 V
Capacitor Optional
Capacitor 47 μF, 6.3 V
Capacitor 47 μF, 6.3 V
Capacitor 10 μF, 25 V
Diode 30 V, 4 A
Inductor L = 4.7 μH, I = 5.4 A,
RAT
DCR = 12.7 mΩ
Resistor 100 kΩ, 1%
Resistor 10 kΩ, 1%
Resistor 31.6 kΩ, 1%
Resistor 1.8 kΩ, 1%
Resistor 10.2 kΩ, 1%
IC 3 A, 700 kHz nonsynchronous
step-down dc-dc switching
regulator
Test point 2.54 mm pitch SIL vertical PC
tail pin header, 6.1 mm mating
pin height, tin
Connector
2.54 mm pitch SIL vertical PC
tail pin header, 6.1 mm mating
pin height, tin, 2-way
Jumper 0.1-inch header, 3-way
Rev. 0 | Page 9 of 12
C2 C3 C4
47µF 47µF 47µF
NP 6.3V 6.3V
R3
31.6kΩ
1%
R5
10.2kΩ
1%
PCB Footprint
C0603
C1210
C1210
C1210
C1206
SMB_SD
DS104LC
R0603
R0603
R0603
R0603
R0603
8-lead, SOIC with
exposed paddle
SIP1
SIP2
SIP3
UG-189
J7
1
SW
J1
1
2
VOUT
J3
1
2
GND
Vendor
Murata
Murata
Murata
Murata
Murata
Vishay Dale
TDK
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Dale
Analog
Devices
Harwin
Harwin
Harwin