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ADP2301AUJZ-R7 数据表(PDF) 25 Page - Analog Devices

部件名 ADP2301AUJZ-R7
功能描述  1.2 A, 20 V, 700 kHz/1.4 MHz, Nonsynchronous Step-Down Regulator
PDF  28 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP2301AUJZ-R7 数据表(HTML) 25 Page - Analog Devices

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Data Sheet
ADP2300/ADP2301
Rev. C | Page 25 of 28
VIN = 12V
VIN
BST
SW
FB
EN
GND
ADP2301
(1.4MHz)
R3
56k
Ω
1%
C1
10µF
25V
R2
10.2k
Ω
1%
R1
31.6k
Ω
1%
C2
22µF
6.3V
D1
B230A
C3
0.1µF
6.3V
L1
4.7µH
2.0A
VOUT = 3.3V
1.2A
R4
10.2k
Ω
1%
Figure 54. ADP2301—1.4 MHz Typical Application, VIN = 12 V, VOUT = 3.3 V/1.2 A
(with Programmable 7.8 V Start-Up Input Voltage)
VIN = 12V
VIN
BST
SW
FB
EN
GND
ADP2301
(1.4MHz)
R3
100k
Ω
5%
R2
10k
Ω
1%
R1
52.3k
Ω
1%
C2
10µF
6.3V
C1
10µF
25V
D1
B230A
C3
0.1µF
6.3V
L1
4.7µH
2.0A
VOUT = 5V
1.2A
ON
OFF
Figure 55. ADP2301—1.4 MHz Typical Application, VIN = 12 V, VOUT = 5.0 V/1.2 A with External Enabling
VIN = 18V
VIN
BST
SW
FB
EN
GND
ADP2301
(1.4MHz)
R3
100k
Ω
5%
R2
10.2k
Ω
1%
R1
52.3k
Ω
1%
C2
10µF
6.3V
D1
B230A
C3
0.1µF
6.3V
C1
10µF
25V
L1
6.8µH
2.0A
VOUT = 5.0V
1.2A
ON
OFF
Figure 56. ADP2301—1.4 MHz Typical Application, VIN = 18 V, VOUT = 5.0 V/1.2 A with External Enabling
VIN = 9V
VIN
BST
SW
FB
EN
GND
ADP2301
(1.4MHz)
R3
100k
Ω
5%
R2
10.2k
Ω
1%
R1
31.6k
Ω
1%
C2
22µF
6.3V
D1
B230A
C3
0.1µF
6.3V
C1
10µF
25V
L1
4.7µH
2.0A
VOUT = 3.3V
1.2A
ON
OFF
Figure 57. ADP2301—1.4 MHz Typical Application, VIN = 9 V, VOUT = 3.3 V/1.2 A with External Enabling
VIN = 5V
VIN
BST
SW
FB
EN
GND
ADP2301
(1.4MHz)
R3
100k
Ω
5%
R2
10.2k
Ω
1%
R1
12.7k
Ω
1%
C2
22µF
6.3V
C3
22µF
6.3V
D1
B230A
C4
0.1µF
6.3V
C1
10µF
25V
L1
2.2µH
2.0A
VOUT = 1.8V
1.2A
ON
OFF
Figure 58. ADP2301—1.4 MHz Typical Application, VIN = 5 V, VOUT = 1.8 V/1.2 A with External Enabling



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