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RT7253A 数据表(PDF) 3 Page - Richtek Technology Corporation

部件名 RT7253A
功能描述  3A, 17V, 340kHz Synchronous Step-Down Converter
PDF  14 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  RICHTEK [Richtek Technology Corporation]
网页  http://www.richtek.com
标志 RICHTEK - Richtek Technology Corporation

RT7253A 数据表(HTML) 3 Page - Richtek Technology Corporation

  RT7253A Datasheet HTML 1Page - Richtek Technology Corporation RT7253A Datasheet HTML 2Page - Richtek Technology Corporation RT7253A Datasheet HTML 3Page - Richtek Technology Corporation RT7253A Datasheet HTML 4Page - Richtek Technology Corporation RT7253A Datasheet HTML 5Page - Richtek Technology Corporation RT7253A Datasheet HTML 6Page - Richtek Technology Corporation RT7253A Datasheet HTML 7Page - Richtek Technology Corporation RT7253A Datasheet HTML 8Page - Richtek Technology Corporation RT7253A Datasheet HTML 9Page - Richtek Technology Corporation Next Button
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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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