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RT9971 데이터시트(PDF) 7 Page - Richtek Technology Corporation

부품명 RT9971
상세설명  7 CH Power Management IC
PDF  22 Pages
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제조업체  RICHTEK [Richtek Technology Corporation]
홈페이지  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9971 데이터시트(HTML) 7 Page - Richtek Technology Corporation

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7
DS9971-01 April 2011
www.richtek.com
RT9971
Function Block Diagram
Timing Diagram
CH5 and CH6 Timing Diagram
SW5O
(to CCD +)
EN5
10ms
SW5I
EN6
Depends on loading
Depends on loading
Depends on loading
10ms
VOUT_CH6
(to CCD -)
CH1
C-Mode
Step-Up
+
-
0.8V
REF
CH2
C-Mode
Step-Up or
Step-Down
+
-
0.8V
REF
CH5
C-Mode
Step-Up
PWM
+
-
1.25V
REF
OK
VOUT7
FB5
LX5
SW5I
VDDM
GND
FB1
COMP1
LX1
LX2
PVDD1
COMP2
PVDD2
FB2
SW5O
CH6
C-Mode
Inverting
PVDD6
LX6
+
-
FB6
CH7
C-Mode
Step-Up
PWM
+
-
0.25V
REF
CFB7
LX7
EN7
Enable
Mode
Sequence
EN134
EN5
EN6
Negative
Charge
Pump
CP
CN
PNEG
RTC
LDO
SW1
VOUT1
1.25V
REF
VREF
SW5
SEL
VDDM
RTC
Reset
RTC_R
RTC_PWR
CH4
C-Mode
Step-Down
PVDD4
LX4
FB4
+
-
0.8V
REF
CH3
C-Mode
Step-Down
PVDD3
LX3
FB3
+
-
0.8V
REF
EN2



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