RT8223BGQW View Datasheet(PDF) - Richtek Technology
Part Name
Description
Manufacturer
RT8223BGQW Datasheet PDF : 26 Pages
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RT8223A/B
Pin Configurations
(TOP VIEW)
ENTRIP1
FB1
REF
TONSEL
FB2
ENTRIP2
24 23 22 21 20 19
1
18
2
17
3
16
GND
4
15
5
25
14
6
13
7 8 9 10 11 12
NC
VREG5
VIN
PGND
SKIPSEL
EN
ENTRIP1
FB1
REF
TONSEL
FB2
ENTRIP2
24 23 22 21 20 19
1
18
2
17
3
16
GND
4
15
5
25
14
6
13
7 8 9 10 11 12
ENC
VREG5
VIN
PGND
SKIPSEL
EN
RT8223A
WQFN-24L 4x4
RT8223B
WQFN-24L 4x4
Typical Application Circuit
For Fixed Voltage Regulator
VOUT1
5V
C3
220µF
C1
10µF
R7
3.9
C6
0.1µF
16 VIN
RT8223A
UGATE2 10
BOOT2 9
R9
0
R8 0
VIN
Q2
BSC119
N03S
C9
10µF
C8
10µF
L1
6.8µH
R5
C4
Q1
BSC119
N03S
R4 0
R3 0
C2
0.1µF
Q3
BSC119
N03S
C11
0.22µF
Frequency Control
PWM/DEM/Ultrasonic
ON
OFF
21 UGATE1
22 BOOT1
20 PHASE1
19 LGATE1
24 VOUT1
3 REF
4 TONSEL
14 SKIPSEL
13 EN
2 FB1
5 FB2
PHASE2 11
LGATE2 12
PGND 15
VOUT2 7
VREG5 17
PGOOD 23
VREG3 8
ENTRIP1 1
ENTRIP2 6
C7
0.1µF
L2
4.7µH
Q4
BSC119
N03S
R10
C10
VOUT2
3.3V
C13
220µF
C5
4.7µF
C12
4.7µF
R6
100k
R1
150k
R2
150k
5V Always On
PGOOD Indicator
3.3V Always On
Exposed Pad (25)
GND
www.richtek.com
2
DS8223A/B-04 April 2011
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