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IRF7811 Datasheet(PDF) 38 Page - Analog Devices

Part No. IRF7811
Description  Synchronous Buck Controller
Download  40 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

IRF7811 Datasheet(HTML) 38 Page - Analog Devices

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ADP1878/ADP1879
Data Sheet
Rev. A | 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)
WÜRTH INDUCTORS:
1.2µH, 2mΩ, 20A, 744325120
Q3
Q4
Q1
Q2
HIGH VOLTAGE INPUT
VIN = 13V
CBST
100nF
VOUT = 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
+
C26
N/A
+
C25
N/A
+
C24
N/A
+
1.2µH
RSNB
2Ω
CSNB
1.5nF
RTOP 2kΩ
R7 10kΩ
RBOT
1kΩ
VOUT
1
VIN
14
BST
2
COMP
13
SW
3
EN
12
DRVH
5
GND
10
DRVL
ADP1878/
ADP1879
CC
560pF
CPAR
56pF
RC
49.3kΩ
C1
1µF
CVIN
22µF
C2
0.1µF
JP3
RRES
100kΩ
4
FB
11
PGND
6
RES
9
PGOOD
7
VREG
8
SS
5kΩ
VREG
CSS
34nF
VREG


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