RT9206 Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT9206 Datasheet PDF : 21 Pages
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RT9206
Typical Application Circuit
C1
1uF
VOUT1
VOUT2
3.3V
C6
10uF
VOUT3
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
CSS
EN
D11N4148
C9
15 RBOOT 1uF
0 R13
C8 4.7uF
0
R14
RRT
PGOOD
Figure 1. Typical Application for 12V Input
VIN
C2
C3
12V
1uF
220uF
Si4800BDY
Q1 L1 C10
C11
1000uF 1uF
4.7uH
Q2
C17
1000uF
VOUT1
5V
R8
3k
R9
560
VOUT1
VOUT2
3.3V
C6
10uF
VOUT3
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
CSS
EN
D11N4148
C9
15 RBOOT 1uF
0 R13
C8 4.7uF
0
R14
RRT
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
VIN
24V
VOUT1
5V
Note : RBOOT is a must to suppress ringing spike.
www.richtek.com
2
DS9206-11 March 2007
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