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RT8205A Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part # RT8205A
Description  High Efficiency, Main Power Supply Controllers for Notebook Computers
Download  28 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8205A Datasheet(HTML) 2 Page - Richtek Technology Corporation

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RT8205A/B/C
2
DS8205A/B/C-06 July 2012
www.richtek.com
©
Copyright 2012 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Typical Application Circuit
Pin Configurations
(TOP VIEW)
RT8205C
WQFN-24L 4x4
RT8205B
WQFN-24L 4x4
RT8205A
WQFN-24L 4x4
ENTRIP1
FB1
REF
TONSEL
FB2
ENTRIP2
NC
VREG5
GND
SKIPSEL
EN
VIN
GND
1
2
3
4
5
6
78
9 10
12
11
18
17
16
15
14
13
21 20 19
24
22
23
25
ENTRIP1
FB1
REF
TONSEL
FB2
ENTRIP2
LG1_CP
VREG5
PGND
SKIPSEL
EN
VIN
GND
1
2
3
4
5
6
78
9 10
12
11
18
17
16
15
14
13
21 20 19
24
22
23
25
ENTRIP1
FB1
REF
TONSEL
FB2
ENTRIP2
SECFB
VREG5
PGND
SKIPSEL
EN
VIN
GND
1
2
3
4
5
6
78
9 10
12
11
18
17
16
15
14
13
21 20 19
24
22
23
25
RT8205A
PHASE1
LGATE1
BOOT1
UGATE1
VOUT1
VOUT1
5V
VIN
VREG5
VREG3
PGOOD
GND
16
15, Exposed Pad (25)
19
22
20
21
24
23
17
8
PHASE2
LGATE2
BOOT2
UGATE2
VOUT2
VOUT2
Q2
L2
C7
C13
3.3V
R9
C8
VIN
10uF
10uF
0.1uF
R10
C10
10
11
9
12
7
BSC119
N03S
Q4
BSC119
N03S
0
R8 0
C9
4.7uH
220uF
Q1
L1
C2
C3
R4
10uF
0.1uF
R5
C4
BSC119
N03S
Q3
BSC119
N03S
0
R3 0
C1
6.8uH
220uF
R7
3.9
C6
0.1uF
5V Always On
3.3V Always On
ENTRIP1
ENTRIP2
1
6
FB2
FB1
2
5
R1
150k
R2
150k
C5
4.7uF
R6
100k
PGOOD Indicator
C12
4.7uF
REF
3
C11
0.22uF
TONSEL
SKIPSEL
4
14
Frequency Control
PWM/DEM/Ultrasonic
EN
ON
OFF
13
For Fixed Voltage Regulator
Marking Information
CJ=YM
DNN
CJ= : Product Code
YMDNN : Date Code
RT8205AGQW
CK=YM
DNN
CK= : Product Code
YMDNN : Date Code
RT8205BGQW
CL=YM
DNN
CL= : Product Code
YMDNN : Date Code
RT8205CGQW


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