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SC2443 Datasheet(PDF) 10 Page - Semtech Corporation

Part # SC2443
Description  Dual-Phase Single or Two Output Synchronous Step-Down Controller
PDF  22 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2443 Datasheet(HTML) 10 Page - Semtech Corporation

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SC2443
0
SYNC
OSCILLATOR
EA1
SLOPE
COMP
+
110mV
ILIM+
CLK2
R
Q
S
OL
Soft-Start And
Overload
Hiccup
Control
UVLO
4.3/4.5V
Non-Overlapping
Conduction
Control
PWM
ROSC
IN1-
REF/IN1+
CS1+
CS1-
CLK1
-
-
+
REFERENCE
0.5V
+
ILIM-
ISEN
+
-
75mV
OCN
COMP2
IN2-
REFIN/IN2+
AGND
EA2
DSBL
AVCC
BST1
GDH1
PVCC
GDL1
SS1/EN1
COMP1
+
-
-
+
PGND
4
17
19
20
16
6
8
21
12
18
23
5
1
2
24
3
22
7
+
-
UVLO
-
-
+
+
+
0.72 VREFOUT
0.75 VREF
Block Diagram
Figure 1. SC2443 Block Diagram
SC2443 Block Diagram (Channel  PWM Control Only)



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