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ADP2441ACPZ-R7 Fiches technique(PDF) 14 Page - Analog Devices

No de pièce ADP2441ACPZ-R7
Description  36 V,1 A, Synchronous, Step-Down DC-to-DC Regulator
PDF  32 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

ADP2441ACPZ-R7 Fiches technique(HTML) 14 Page - Analog Devices

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ADP2441
Data Sheet
Rev. A | Page 14 of 32
INTERNAL BLOCK DIAGRAM
VIN
POWER STAGE
UVLO
INTERNAL LDO
VCC
BST
STATE MACHINE GATE
CONTROL LOGIC
EN
+
1.25V
FB
ISS
+
+
–
VREF = 0.6V
SS/TRK
SW
PGND
NMOS
NMOS
SLOPE
COMPENSATION/
RAMP
GENERATOR
CURRENT-LIMIT
COMPARATOR
CURRENT SENSE
AMPLIFIER
REFERENCE
CURRENT
BAND GAP
REFERENCE
PWM
COMPARATOR
FREQ
OSC
HICCUP
TIMER
COMP
THRESHOLD
PULSE SKIP
ENABLE
CLOCK
ENABLE
VCC
COMP
1V
PWM
HICCUP
+
+
–
AGND
115% OF
FEEDBACK
PGOOD
VFB
86%OF
FEEDBACK
+
–
Figure 45. Block Diagram



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