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ADP2389 Datasheet(PDF) 3 Page - Analog Devices

No. de pieza ADP2389
Descripción Electrónicos  18 V, 12 A Step-Down Regulator with Programmable Current Limit
Download  23 Pages
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
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ADP2389 Datasheet(HTML) 3 Page - Analog Devices

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Data Sheet
ADP2389/ADP2390
Rev. 0 | Page 3 of 23
DETAILED FUNCTIONAL BLOCK DIAGRAM
Figure 3. ADP2389/ADP2390 Detailed Functional Block Diagram
CONTROL
LOGIC
AND MOSFET
DRIVER WITH
ANTICROSS
PROTECTION
IMAX
HICCUP
MODE
+
+
0.6V
ISS
SS
FB
COMP
gm
FTW
OCP
CMP
+
+
+
INEG
+
NEGATIVE
CURRENT
COMPARATOR
BST
PVIN
VREG
5V
REGULATOR
SW
NFET
NFET
VREG
PGND
DRIVER
DRIVER
DEGLITCH
PGOOD
GND
EN_BUF
EN
1.2V
1.3µA
ILIM
CLK
SLOPE RAMP
RT
OSC
OCP
THRESHOLD
SETTING
FAST
TRANSIENT
WINDOW
4.8µA
SKIP
CMP
ADP2390
ONLY
PFM
THRESHOLD
Σ
SLOPE RAMP
+
OVP
0.7V
+
0.66V
+
0.54V
CLK
ACS
+
SHUTDOWN
LOGIC
THERMAL
SHUTDOWN
UVLO
BOOST
REGULATOR
VIN
ADP2389/ADP2390


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