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RT9911 Datasheet(PDF) 4 Page - Richtek Technology Corporation

Part # RT9911
Description  6 Channel DC/DC Converters
PDF  32 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9911 Datasheet(HTML) 4 Page - Richtek Technology Corporation

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RT9911
4
DS9911-04 August 2007
www.richtek.com
+
-
RT
VDDM
GND
+
-
VDDM
1.0V
VREF
+
-
0.8V
FB1
COMP1
PGND1
LX1
PVDD1
COMP5
FB5
+
-
EXT5
PVDD5
+
-
1.0V
FB4
COMP4
Pin No. Pin Name
Pin Function
I/O
Internal State at
Shut Down
I/O Configuration
1
GND
Analog Ground Pin
--
--
2
OK2
External Switch Control.
OUT
High Impedance
3
RT
Frequency Setting Pin. Frequency
is 500kHz if RT pin not connected.
OUT
Pull Low
5
VDDM
Device Input Power Pin
IN
--
6
GND
Analog Ground Pin
--
--
4
VREF
1.0V Reference Pin
OUT
High Impedance
7
FB1
Feedback Input Pin of CH1.
IN
High Impedance
8
COMP1
Feedback Compensation Pin of
CH1.
OUT
Pull Low
9
PGND1
Power Ground Pin of CH1.
--
--
10
LX1
Switch Node of CH1.
OUT
High Impedance
11
PVDD1
Power Input Pin of CH1.
IN
--
12
COMP5
Feedback Compensation Pin of
CH5.
OUT
Pull Low
13
FB5
Feedback Input Pin of CH5.
IN
High Impedance
14
EXT5
External Power Switch of CH5.
OUT
Pull High
15
PVDD5
Power Input Pin of CH4, CH5 and
CH6.
IN
--
16
COMP4
Feedback Compensation Pin of
CH4.
OUT
Pull Low
17
FB4
Feedback Input Pin of CH4.
IN
High Impedance
OK2
GND
Functional Pin Description
To be continued



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