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XR76205ELTR-F Datasheet(PDF) 7 Page - Exar Corporation

Part # XR76205ELTR-F
Description  3A/5A/8A Synchronous Step Down COT Regulator
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XR76205ELTR-F Datasheet(HTML) 7 Page - Exar Corporation

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XR76203/5/8
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Rev 1A
Functional Block Diagram
Q
Q
R
S
Dead
Time
Control
On-Time
1.9 V
Hiccup
Mode
+ -
PGND
FB
VIN
GH
Minimum
On Time
Enable
Hiccup
OCP
comparator
Feedback
comparator
current
emulation &
DC correction
PGOOD
LDO
VCC
VCC
GL
SW
BST
VCC
50uA
+
-
+
-
+
-
3 V
-2 mV
SW
Enable LDO
CCM or CCM/DCM
Zero Cross Detect
If 8 consecutive ZCD
Then DCM
If 1 non-ZCD
Then exit DCM
Q
Q
R
S
AGND
ILIM
If four
consecutive OCP
VIN
TON
+
-
+
-
+
-
PGOOD comparator
Short-circuit detection
0.555 V
0.36 V
Switching
Enabled
10uA
+
-
Switching
Enabled
SS
0.6 V
+
-
+
-
Switching
Enabled
Enable LDO
VCC UVLO
4.25 V
OTP
150 C
TJ
VCC
TON
Enable LDO
PVIN
EN/MODE
FB
0.6V


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