RT9212PC 데이터 시트보기 (PDF) - Richtek Technology
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RT9212PC Datasheet PDF : 14 Pages
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RT9212
Typical Application Circuit
Preliminary
VIN
2.5V/3.3V/5V
R1
C1
R2
C2
3.48k 1nF 3.48k 1nF
C3
R9
1uF
10k
RT9212
RESET2
Q5
Q6
RESET1
C4
100uF
VOUT3
2.5V
R3
255
3.3V
2SD1802
C5
470uF
C6
100pF
R6
R4
1k
120
R7
1.25k
15 VCC
19
PGOOD
21
20
16
17
6
C7
5.6nF
R5
6.34k
5
OCSET1/SD BOOT1 2
OCSET2/SD UGATE1 1
DRV
FBL
PHASE1 3
PVCC1 22
LGATE1 23
COMP1
PGND1 24
BOOT2 11
UGATE2 12
PHASE2 10
FB1
LGATE2 14
PGND2 13
GNDA FB2 18
C8
9
15nF
R8
100
VCC
5V
D1
1N4148
C10
470uF
VIN( >VOUT1 & VOUT2 )
2.5V/3.3V/5V
C9
0.1uF
PHKD6N02LT
Q1 L1
1uH
C12 to C15
150uF (x 4)
Q2
VOUT1
1.8V
VCC
5V
D2
1N4148
VIN
2.5V/3.3V/5V
C11
0.1uF
PHKD6N02LT
Q3 L2
1uH
C16 to C17
150uF (x 2)
Q4
R10
105
VOUT2
1.5V
R11
120
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2
DS9212-05 March 2007
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