RT8204A 데이터 시트보기 (PDF) - Richtek Technology
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RT8204A Datasheet PDF : 19 Pages
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RT8204A
Pin Configurations
(TOP VIEW)
16 15 14 13
VOUT 1
VDD 2
FB 3
PGOOD 4
GND
17
12 UGATE
11 PHASE
10 OC
9 VDDP
5678
WQFN-16L 3x3
Typical Application Circuit
VDDP
5V
C1
4.7µF
D1
BAT254
R4
1M
VIN
3V to 26V
R2
100k
PGOOD
CCM/DEM
LDO Enable
LDO PGOOD
16
RT8204A
TON
BOOT
13
9 VDDP
R1
UGATE 12
10 2 VDD
PHASE 11
C2
1µF
LGATE 8
4 PGOOD
OC 10
15 EN/DEM
FB 3
14 LEN
5 LPGOOD
R3
100k
VOUT 1
R5
2.2
R6 0
R7 10k
C3
0.1µF
C4
10µF
Q1
AO4704 L1
2.4µH
R8
Q2
AO4704
C5
R9
12k
C6
VOUT1
1.2V
C9
220µF
R10
20k
C13
0.1µF
VDDP
Exposed Pad(17) GND
LDRV 7
R11
C7
33nF
Q3
AO4404
C8 R12
12k
C10
220µF
VOUT2
1.05V
C11
10µF
C12
LFB 6
R13
30k
www.richtek.com
2
DS8204A-05 April 2011
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