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ADP1822 Datasheet(PDF) 6 Page - Analog Devices

Part No. ADP1822
Description  PWM, Step-Down DC-to-DC Controller with Margining and Tracking
Download  24 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADP1822 Datasheet(HTML) 6 Page - Analog Devices

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ADP1822
Rev. B | Page 6 of 24
SIMPLIFIED BLOCK DIAGRAM
THERMAL
SHUTDOWN
LOGIC
UVLO
OSCILLATOR
FAULT
S
R
Q
Q
PWM
VCC
FAULT
REFERENCE
THSD
UVLO
OV
VREF
UV
0.8V
100kΩ
2.5kΩ
BST
DH
SW
PVCC
DL
PGND
CSL
PWGD
FB
MAR
MSEL
MUP
DGND
MDN
SS
COMP
SYNC
FREQ
GND
VCC
SHDN
ADP1822
DECODE
TRKN
TRKP
Figure 3. Simplified Block Diagram


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