RT9907GQV RICHTEK [Richtek Technology Corporation], RT9907GQV Datasheet - Page 4

• Manufacturer Part Number: RT9907GQV
• Description: 3 Channel DC/DC Converters IC with High-Efficiency Step-Up and Step-Down
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9907
Function Block Diagram
www.richtek.com
4
SS
RT
ENM
0
1
1
1
1
EN1
X
0
1
1
1
Soft-Start
Shutdown
Thermal
PWM
OSC
OSC
EN2
X
0
0
1
1
Preliminary
VDDM
EN3
X
0
0
0
1
GND
Current-MODE
Current-MODE
Current-MODE
Asynchronous
Synchronous
Synchronous
Step-Down
Step-Down
CH1
ENM
Step-Up
Off
Off
On
On
On
Buck2
Buck3
PWM
Boost
PWM
PWM
CH1
CH2
CH3
EN
CH2
Off
Off
Off
On
On
CH3
Off
Off
Off
Off
On
EN1
VDD1
LX1
PGND1
COMP1
FB1
EN2
VDD2
LX2
PGND2
COMP2
FB2
EN3
VDD3
LX3
PGND3
COMP3
FB3
DS9907-07 August 2007