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RT7253A Datasheet(PDF) 3 Page - Richtek Technology Corporation

Part # RT7253A
Description  3A, 17V, 340kHz Synchronous Step-Down Converter
PDF  14 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT7253A Datasheet(HTML) 3 Page - Richtek Technology Corporation

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RT7253A
3
DS7253A-02 March 2011
www.richtek.com
Function Block Diagram
VA
+
-
+
-
+
-
UV
Comparator
Oscillator
Foldback
Control
0.4V
Internal
Regulator
+
-
2.7V
Shutdown
Comparator
Current Sense
Amplifier
BOOT
VIN
GND
SW
FB
EN
COMP
3V
5k
VA VCC
6µA
Slope Comp
Current
Comparator
+
-
EA
0.8V
S
R
Q
Q
SS
+
-
1.2V
Lockout
Comparator
VCC
+
Ω
120m
Ω
120m



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