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RT9206PS 데이터 시트보기 (PDF) - Richtek Technology
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RT9206PS
High Efficiency, Synchronous Buck with Dual Linear Controllers
Richtek Technology
RT9206PS Datasheet PDF : 21 Pages
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RT9206
Typical Application Circuit
C1
1uF
V
OUT1
V
OUT2
3.3V
C6
10uF
V
OUT3
2.5V
C7
10uF
Q3
Q4
R11
5.6k
C14
33nF
R12
4.3K
C16 500pF
R3 11k
390pF
C13
R10
51k
R1 10
C15 500pF
R4
R2 11k
3.3k
1
LDRV1
LFB1
16
2
RT9206CS
VDD
BOOT
15
3
LDRV2 UGATE
14
4
LFB2
PHS
13
5
COMP
12
VINT
6
FB
LGATE
11
7
PGOOD
GND
10
8
SS/EN
RT
9
Q5
1uF
C
SS
EN
D11N4148
C9
15
R
BOOT
1uF
0 R13
C8 4.7uF
0
R14
R
RT
PGOOD
Figure 1. Typical Application for 12V Input
V
IN
C2
C3
12V
1uF
220uF
Si4800BDY
Q1
L1
C10
C11
1000uF 1uF
4.7uH
Q2
C17
1000uF
V
OUT1
5V
R8
3k
R9
560
V
OUT1
V
OUT2
3.3V
C6
10uF
V
OUT3
2.5V
C7
10uF
C1
1uF
Q3
Q4
R11
5.6k
C14
33nF
R12
8.2K
C16 500pF
R3 11k
220pF
C13
R10
51k
R1 10
C15 500pF
R4
R2 11k
3.3k
1
LDRV1
LFB1
16
2
RT9206CS
VDD
BOOT
15
3
LDRV2 UGATE
14
4
LFB2
PHS
13
5
COMP
12
VINT
6
FB
LGATE
11
7
PGOOD
GND
10
8
SS/EN
RT
9
Q5
4.7uF
C
SS
EN
D11N4148
C9
15
R
BOOT
1uF
0 R13
C8 4.7uF
0
R14
R
RT
PGOOD
Figure 2. Typical Application for 24V Input
C2
C3
1uF
220uF
Si4800BDY
Q1
L1
C10 C11
1000uF 1uF
33uH
Q2
R8
3k
R9
560
V
IN
24V
V
OUT1
5V
Note : R
BOOT
is a must to suppress ringing spike.
www.richtek.com
2
DS9206-11 March 2007
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