rt9210 Richtek Technology Corporation, rt9210 Datasheet - Page 2

• Manufacturer Part Number: rt9210
• Description: Dual Synchronous Buck Dc-dc Controller Memory Vddq Termination
• Manufacturer: Richtek Technology Corporation

RT9210
www.richtek.com
2
Typical AppIication Circuit
VREF_OUT
VREF_IN
RESET
C3
100pF
0.1uF
2.5V/3.3V/5V
0.1uF
C4
C7
3.48k
VTT_SD
Q5
V
R1
IN
100pF
C6
1k
R2
1.25k
R3
R4
6.34k
5.6nF
C5
1nF
C1
15nF
100
C8
R5
15
21
20
7
8
4
6
5
VCC
OCSET/SD
SENSE1
V2_SD
VREF_IN
VREF
COMP1
FB1
1uF
C2
RT9210
GNDA
Preliminary
9
UGATE1
UGATE2
PHASE1
PHASE2
SENSE2
LGATE1
LGATE2
PGOOD
PGND1
PGND2
BOOT1
PVCC1
BOOT2
19
17
2
1
3
22
23
24
11
12
10
14
13
10k
R6
C11
0.1uF
1N4148
0.1uF
C9
1N4148
D1
D2
V
5V
CC
PHKD6N02LT
PHKD6N02LT
V
Q1
Q2
5V
Q3
Q4
CC
1uH
1uH
C10
L1
L2
C12 to C15
C16 to C17
DS9210-05 March 2007
2.5V/3.3V/5V
V
V
V
DDQ
IN
TT
(>
V
DDQ
)