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ADP2389ACPZ-R7 数据表(PDF) 22 Page - Analog Devices

部件名 ADP2389ACPZ-R7
功能描述  18 V, 12 A Step-Down Regulator with Programmable Current Limit
PDF  23 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP2389ACPZ-R7 数据表(HTML) 22 Page - Analog Devices

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ADP2389/ADP2390
Data Sheet
TYPICAL APPLICATION CIRCUITS
Figure 35 through Figure 37 show some typical application circuits of the ADP2389/ADP2390 for user information.
Figure 35. VIN = 12 V, VOUT = 3.3 V, IOUT = 12 A, fSW = 600 kHz with PFM Mode
Figure 36. VIN = 12 V, VOUT = 1.2 V, IOUT = 8 A, fSW = 500 kHz with Programmable Current Limit
Figure 37. VIN = 12 V, VOUT = 1.8 V, IOUT = 12 A, fSW = 600 kHz with Fast Transient
BST
FB
COMP
PGOOD
GND
VREG
RT
ILIM
FTW
SS
L
1.2µH
CVREG
1µF
RT
100kΩ
SW
PGND
EN
PVIN
VIN
CIN
10µF
25V
VIN
12V
CBST
0.1µF
COUT2
100µF
6.3V
COUT3
100µF
6.3V
COUT1
100µF
6.3V
VOUT
3.3V, 12A
RTOP
10kΩ
RBOT
2.21kΩ
CC
1500pF
RC
38.3kΩ
CSS
22nF
ADP2390
CCP
10pF
BST
FB
COMP
PGOOD
GND
VREG
RT
ILIM
FTW
SS
L
1µH
CVREG
1µF
RT
121kΩ
RILIM
82.5kΩ
SW
PGND
EN
PVIN
VIN
CIN
10µF
25V
VIN
12V
CBST
0.1µF
COUT2
10µF
6.3V
COUT1
330µF
16V
VOUT
1.2V, 8A
RTOP
10kΩ
RBOT
10kΩ
CC
2200pF
RC
21kΩ
CSS
22nF
ADP2389
CCP
100pF
BST
FB
COMP
PGOOD
GND
VREG
RT
ILIM
FTW
SS
L
0.68µH
CVREG
1µF
RT
100kΩ
RFTW
78.7kΩ
SW
PGND
EN
PVIN
VIN
CIN
10µF
25V
VIN
12V
CBST
0.1µF
COUT2
100µF
6.3V
COUT3
100µF
6.3V
COUT4
100µF
6.3V
COUT1
100µF
6.3V
VOUT
1.8V, 12A
RTOP
20kΩ
RBOT
10kΩ
CC
1200pF
RC
27kΩ
CSS
22nF
ADP2389
CCP
22pF
Rev. 0 | Page 22 of 23



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