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ADP1874ARQZ-0.3-R7 датащи(PDF) 40 Page - Analog Devices

номер детали ADP1874ARQZ-0.3-R7
подробное описание детали  Synchronous Buck Controller with Constant On-Time and Valley Current Mode
PDF  44 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

ADP1874ARQZ-0.3-R7 датащи(HTML) 40 Page - Analog Devices

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ADP1874/ADP1875
Rev. 0 | Page 40 of 44
TYPICAL APPLICATION CIRCUITS
12 A, 300 kHz HIGH CURRENT APPLICATION CIRCUIT
10kΩ
VREG
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, 2.00mΩ, 20A 744325120
Q3
Q4
Q1
Q2
HIGH VOLTAGE INPUT
VIN = 12V
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
16
BST
2
COMP
15
SW
3
EN
14
DRVH
5
GND
12
DRVL
ADP1874/
ADP1875
CC
560pF
CPAR
56pF
RC
49.3kΩ
C1
1µF
CVIN
22µF
C2
0.1µF
JP3
RRES
100kΩ
4
FB
13
PGND
6
RES
11
PGOOD
7
VREG
10
SS
8
VREG_IN
9
TRACK
5kΩ
VREG
CSS
34nF
VREG
Figure 97. Application Circuit for 12 V Input, 1.8 V Output, 12 A, 300 kHz (Q2/Q4 No Connect)
5.5 V INPUT, 600 kHz APPLICATION CIRCUIT
10kΩ
VREG
MURATA: (HIGH VOLTAGE INPUT CAPACITORS)
22µF, 25V, X7R, 1210 GRM32ER71E226KE15L
PANASONIC: (OUTPUT CAPACITORS)
180µF, SP-SERIES, 4V, 10mΩ EEFUE0G181XR
INFINEON MOSFETs:
BSC042N03MS G (LOWER SIDE)
BSC080N03MS G (UPPER SIDE)
WÜRTH INDUCTORS:
0.47µH, 0.8mΩ, 30A 744355147
Q3
Q4
Q1
Q2
HIGH VOLTAGE INPUT
VIN = 5.5V
CBST
100nF
VOUT = 2.5V, 12A
C3
22µF
C4
22µF
C5
22µF
C6
22µF
C7
22µF
C8
N/A
C9
N/A
C23
N/A
+
C22
180µF
+
C21
180µF
+
C20
180µF
+
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 3.2kΩ
R7 10kΩ
RBOT
1kΩ
VOUT
1
VIN
16
BST
2
COMP
15
SW
3
EN
14
DRVH
5
GND
12
DRVL
ADP1874/
ADP1875
CC
220pF
CF
22pF
RC
56.9kΩ
C1
1µF
CVIN
22µF
C2
0.1µF
JP3
RRES
100kΩ
4
FB
13
PGND
6
RES
11
PGOOD
7
VREG
10
SS
8
VREG_IN
9
TRACK
5kΩ
VREG
CSS
34nF
VREG
Figure 98. Application Circuit for 5.5 V Input, 2.5 V Output, 12 A, 600 kHz (Q2/Q4 No Connect)



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