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ADP2311ACPZ-4-R7 Folha de dados(PDF) 19 Page - Analog Devices

Nome de Peças ADP2311ACPZ-4-R7
Descrição Electrónicos  Dual 1 A, 18 V, Synchronous Step-Down Regulator with Fail-Safe Voltage Monitoring
PDF  20 Pages
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

ADP2311ACPZ-4-R7 Folha de dados(HTML) 19 Page - Analog Devices

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Data Sheet
ADP2311
Rev. B | Page 19 of 20
APPLICATION CIRCUIT
PVIN1
EN
GND
VREG
ADP2311
BST2
SW2
FB2
C7
47µF/6.3V/X7R
PGND2
L2
22µH
VM2
BST1
SW1
FB1
C5
47µF/6.3V/X7R
C6
47µF/6.3V/X7R
PGND1
PVIN2
POR
PFO
PFO
POR
VREG
R11
100kΩ
R6
100kΩ
R5
100kΩ
PFI
WDI
WDI
TIMER
C9
15nF
VREG
C3
0.1µF
VIN
15.5V
C1
10µF/25V
C8
1µF
C2
10µF/25V
R7
500kΩ
R9
500kΩ
R3
47.5kΩ
R10
66.5kΩ
R8
21.8kΩ
L1
15µH
R1
1
1.5kΩ
R2
13.7kΩ
C4
0.1µF
VOUT1
1.1V/0.6A
VOUT2
2.5V/0.4A
R4
15kΩ
RSTO
RSTO
Figure 38. Typical Application Circuit (Input Power Fail Voltage Programmed at 14.4 V/13.8 V; Channel 2 Turned Off at 5.1 V)
14.4V
VIN
PFO
VOUT1
VOUT2
13.8V
5.1V
POR
PFI
0.6V
0.575V
VM2
0.6V
0.65V
96.5%
96.5%
5.5V
95%
0.2V
853µs
WDI
(FROM PROCESSOR)
RSTO
Figure 39. Power-Up and Power-Down Sequence Based on the Circuit Shown in Figure 38



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