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RT7263A Datasheet(PDF) 3 Page - Richtek Technology Corporation

Part # RT7263A
Description  3A, 21V 500kHz Synchronous Step-Down Converter
Download  17 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT7263A Datasheet(HTML) 3 Page - Richtek Technology Corporation

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RT7263A
3
DS7263A-01
September 2012
www.richtek.com
©
Copyright
2012 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Function Block Diagram
For WDFN-14L 4x3 Package
For SOP-8 (Exposed Pad) Package
Regulator
VIN
VA
VC
+
-
1.2V
Shutdown
Comparator
FB
SS
PGOOD
EN/SYNC
VCC
+
-
1.7V
1µA
3V
5k
Lockout
Comparator
Reference
+
-
VC
Error
Amplifier
+
10µA
+
-
400k
30pF
1pF
S
Q
R
Driver
-
+
Current Sense
Amplifier
PWM
Comparator
Oscillator
Ramp
Generator
SW
BOOT
GND
+
-
VA
S
Q
R
Driver
-
+
Current Sense
Amplifier
PWM
Comparator
Oscillator
Ramp
Generator
Regulator
Reference
+
-
Error
Amplifier
SW
BOOT
FB
EN/SYNC
VIN
+
-
GND
VCC
+
-
1.2V
+
-
1.7V
1µA
3V
5k
Lockout
Comparator
Shutdown
Comparator
400k
30pF
1pF


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