rt9218 Richtek Technology Corporation, rt9218 Datasheet - Page 8

• Manufacturer Part Number: rt9218
• Description: 5v/12v Synchronous Buck Dc-dc Linear Power Controller
• Manufacturer: Richtek Technology Corporation

RT9218
www.richtek.com
8
SV
UGATE
UGATE
SV
OUT
I
V
I
OUT
OUT
OUT
CC
V
I
V
V
I
OUT
OUT
CC
IN
CC
= 5V
= 10A
= 25A
= 12Vto 5V
= V
IN
= 5V
Dead Time (Rising)
V
Time (500us/Div)
Time (10ms/Div)
Time (25ns/Div)
CC
Power On
Switching
(500mV/Div)
(2A/Div)
(10V/Div)
(100mV/Div)
(10A/Div)
(10V/Div)
(20V/Div)
UGATE
PHASE
LGATE
SV
UGATE
OUT
V
I
OUT
CC
V
V
I
(20V/Div)
V
I
OUT
OUT
CC
IN
UGATE
CC
PHASE
= 5V
= 25A
= 10A, V
= 12V
= 5V to 12V
Dead Time (Falling)
LGATE
IN
V
= 5V
Time (10ms/Div)
Time (10ns/Div)
V
Time (5ms/Div)
CC
Power Off
CC
Switching
DS9218-08 March 2007
(100mV/Div)
(10A/Div)
(10V/Div)
SV
UGATE
OUT
V
IN