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ADP2302ARDZ-R7 Fiches technique(PDF) 13 Page - Analog Devices

No de pièce ADP2302ARDZ-R7
Description  2 A/3 A, 20 V, 700 kHz, Nonsynchronous Step-Down Regulators
PDF  28 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

ADP2302ARDZ-R7 Fiches technique(HTML) 13 Page - Analog Devices

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ADP2302/ADP2303
Rev. 0 | Page 13 of 28
FUNCTIONAL BLOCK DIAGRAM
1
8
2
3
6
7
GND
VIN
VIN
OCP
CURRENT
LIMIT
THRESHOLD
CURRENT
SENSE AMPLIFIER
OVP
THERMAL
SHUTDOWN
SHUTDOWN
LOGIC
UVLO
BOOT
REGULATOR
CLK
GENERATOR
FREQUENCY FOLDBACK
(
⅛ fSW, ¼ fSW, ½ fSW, fSW)
R
S
Q
RAMP
GENERATOR
SHUTDOWN IC
0.880V
0.680V
1.20V
1.2µA
0.8V VOLTAGE
REFERENCE
ON
EN
4
PGOOD
OFF
VBIAS = 1.1V
gm
BST
FB
SW
VOUT
ADP2302/ADP2303
NC
5
Figure 44. Functional Block Diagram



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