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ADP2442ACPZ-R7 Datasheet(PDF) 28 Page - Analog Devices

No. de pieza ADP2442ACPZ-R7
Descripción Electrónicos  36 V,1 A, Synchronous, Step-Down, DC-to-DC Regulator with External Clock Synchronization
PDF  36 Pages
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
Logo AD - Analog Devices

ADP2442ACPZ-R7 Datasheet(HTML) 28 Page - Analog Devices

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ADP2442
Data Sheet
Rev. B | Page 28 of 36
Figure 65. Typical Application Circuit, VIN = 12 V ± 10%, VOUT = 5 V, fSW = 500 kHz
Table 16. Calculated Component Values for Figure 65
Quantity
Reference
Value
Description
Part Number
2
C1, C2
4.7 µF
Capacitor ceramic, X7R, 50 V
GRM31CR71H475KA12L
2
C3, C4
1 µF
Capacitor ceramic, 1 µF, 25 V, X7R, 10%, 0603
GRM188R71E105KA12D
2
C5
10 nF
Capacitor ceramic, 10 nF, 50 V, 10%, X7R, 0603
ECJ-1VB1H103K
1
C7
22 µF
Capacitor ceramic, 22 µF, 25 V, X7R, 1210
GRM32ER71E226K
1
C8
22 µF
Capacitor ceramic, 22 µF, 25 V, X7R, 1210
Determined by user
1
L1
18.3 µH
Inductor
CoilCraft MSS1038-183ML
1
C6
0.1 µF
Capacitor ceramic, 0.1 µF, 50 V, X7R, 0805
ECJ-2FB1H104K
1
C10
270 pF
Capacitor ceramic, 50 V
Determined by user
1
R9
185 kΩ
Resistor, 1/10 W, 1%, 0603, SMD
Determined by user
1
R5
118 kΩ
Resistor, 1/10 W, 1%, 0603, SMD
Determined by user
1
R2
74 kΩ
Resistor, 1/10 W, 1%, 0603, SMD
Determined by user
1
R3
10 kΩ
Resistor, 1/10 W, 1%, 0603, SMD
Determined by user
1
R7
50 kΩ
Resistor, 1/10 W, 1%, 0603, SMD
Determined by user
VIN:
12V
FB
COMP
EN
PGND
VIN
SW
ADP2442
VOUT:
5V, 1A
C3
1µF/25V
C4
1µF/25V
L1
18.3µH
R9
185kΩ
R7
50kΩ
EXT
PGOOD
R5
118kΩ
C6
0.1µF
C7
22µF/
25V
C2
4.7µF/
50V
C1
4.7µF/
50V
C5
10nF/50V
C10
270pF
R3
10kΩ
C8
22µF/
25V
R2
74kΩ
CLOCK:
500k±30%
VCC



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