Analog Devices ADP1879 Evaluation Board ADP1879-1.0-EVALZ ADP1879-1.0-EVALZ Hoja De Datos
Los códigos de productos
ADP1879-1.0-EVALZ
ADP1878/ADP1879
Data
Sheet
Rev. B | Page 38 of 40
300 kHz HIGH CURRENT APPLICATION CIRCUIT
Figure 95. Application Circuit for 13 V Input, 1.8 V Output, 12 A, 300 kHz (Q2/Q4 No Connect)
MURATA: (HIGH VOLTAGE INPUT CAPACITORS)
22µF, 25V, X7R, 1210 GRM32ER71E226KE15L
PANASONIC: (OUTPUT CAPACITORS)
270µF (SP-SERIES), 4V, 7mΩ, EEFUE0G271LR
INFINEON MOSFETs:
BSC042N03MS G (LOWER SIDE)
BSC080N03MS G (UPPER SIDE)
BSC080N03MS G (UPPER SIDE)
WÜRTH INDUCTORS:
1.2µH, 2mΩ, 20A, 744325120
Q3
Q4
Q1
Q2
HIGH VOLTAGE INPUT
V
IN
= 13V
C
BST
100nF
V
OUT
= 1.8V, 12A
C3
22µF
C4
22µF
C5
22µF
C6
22µF
C7
22µF
C8
N/A
C9
N/A
C23
270µF
+
C22
270µF
+
C21
270µF
+
C20
270µF
+
C27
N/A
C14 TO C19
N/A
N/A
+
C26
N/A
+
C25
N/A
+
C24
N/A
+
1.2µH
R
SNB
2Ω
C
SNB
1.5nF
R
TOP
2kΩ
R7 10kΩ
R
BOT
1kΩ
V
OUT
1
VIN
14
BST
2
COMP
13
SW
3
EN
12
DRVH
5
GND
10
DRVL
ADP1878/
ADP1879
C
C
560pF
C
PAR
56pF
R
C
49.3kΩ
C1
1µF
C
VIN
22µF
C2
0.1µF
JP3
R
RES
100kΩ
4
FB
11
PGND
6
RES
9
PGOOD
7
VREG
8
SS
5kΩ
V
REG
C
SS
34nF
V
REG
09441-
095