RT9911PQV RICHTEK [Richtek Technology Corporation], RT9911PQV Datasheet - Page 8

• Manufacturer Part Number: RT9911PQV
• Description: 6 Channel DC/DC Converters
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9911
Function Block Diagram
www.richtek.com
8
COMP4
COMP5
COMP6
PVDD5
VREF
CFB6
EXT4
EXT5
EXT6
VFB6
OK2
EN4
EN5
EN6
FB4
FB5
1.0V
REF
0.2V
REF
50uA
PVDD5
PVDD5
-
+
+
-
1.0V
REF
-
+
-
+
1.0V
REF
Step-Up
V-Mode
Inverter
PWM
CH4
CH5
WLED
CH6
Oscillator
Controller
RT
Switch
VDDM
Shutdown
Thermal
Step-Down
Step-Down
GND
Step-Up or
Step-Up
C-Mode
C-Mode
C-Mode
CH1
CH2
CH3
-
+
-
+
-
+
PVDD3
0.8V
REF
0.8V
REF
0.8V
REF
COMP3
SELECT
EN1
PVDD1
LX1
PGND1
COMP1
FB1
EN2
PVDD2
LX2
PGND2
COMP2
FB2
EN3
PVDD3
DRP3
DRN3
CS3
FB3
DS9911-04 August 2007