rt9218 Richtek Technology Corporation, rt9218 Datasheet - Page 9

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

DS9218-08 March 2007
(100mV/Div)
(10V/Div)
(10A/Div)
UGATE
PGOOD
SV
SV
I
L
OUT
OUT
I
L
f = 1/20ms, SR = 2.5A/us
(1V/Div)
(500mV/Div)
(2A/Div)
V
I
OUT
CC
= 0A to 15A
Transient Response (Rising)
= V
IN
= 12V
Soft Start & PGOOD
Time (10ms/Div)
Time (5us/Div)
L = 2.2uH
C = 2000uF
(100mV/Div)
(10V/Div)
SV
(10A/Div)
UGATE
OUT
I
L
V
I
f = 1/20ms
SR = 2.5A/us
OUT
CC
= 15A to 0A
= V
Transient Response (Falling)
IN
= 12V
Time (25us/Div)
L = 2.2uH
C = 2000uF
RT9218
www.richtek.com
9