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RT9205APS Datasheet(PDF) 4 Page - Richtek Technology Corporation

Part # RT9205APS
Description  Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller
PDF  15 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9205APS Datasheet(HTML) 4 Page - Richtek Technology Corporation

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RT9205/A
Preliminary
4
DS9205/A-08 March 2007
www.richtek.com
Layout Placement
Layout Notes
1. Put C1 & C2 to be near the MU drain and ML source nodes.
2. Put RT9205/A to be near the COUT
3. Put CBOOT as close as to BOOT pin
4. Put CVCC as close as to VCC pin
Function Block Diagram
GND
VCC
RT9205/A
BOOT
C
VCC
1uF
C
BOOT
0.1uF
C
OUT
1000uF
L
5uH
MU
D
G
S
ML
D
G
S
C
IN1
1uF
C
IN2
470uF
GND Return
0.8
Reference
Power on
Reset
Soft Start
+
-
OVP
+
-
UVP
1V
+
-
0.8V
0.5V
Error
Amplifier
+
-
PWM
300kHz
Oscillator
Control
Logic
VCC
6.0V
Regulation
GND
FB
VCC
BOOT
UGATE
LGATE
+
-
UVP
+
-
+
SS
LDO
DRV
FBL
VCC



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