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RT8205M Datasheet(PDF) 3 Page - Richtek Technology Corporation

Part # RT8205M
Description  High Efficiency, Main Power Supply Controller for Notebook Computer
PDF  26 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8205M Datasheet(HTML) 3 Page - Richtek Technology Corporation

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RT8205L/M
3
DS8205L/M-05 June 2011
www.richtek.com
Typical Application Circuit
RT8205L
PHASE1
LGATE1
BOOT1
UGATE1
VOUT1
VOUT1
5V
VIN
VREG5
VREG3
PGOOD
GND
16
25 (Exposed Pad)
19
22
20
21
24
23
17
8
PHASE2
LGATE2
BOOT2
UGATE2
VOUT2
VOUT2
Q2
L2
C11
C17
3.3V
R10
C12
VIN
10µF
10µF
0.1µF
R11
C14
10
11
9
12
7
BSC119
N03S
Q4
BSC119
N03S
0
RBOOT2 0
C13
4.7µH
220µF
Q1
L1
C2
C3
R4
10µF
0.1µF
R5
C4
BSC119
N03S
Q3
BSC119
N03S
0
RBOOT1 0
C1
6.8µH
220µF
R8
3.9
C10
0.1µF
5V Always On
3.3V Always On
ENTRIP1
ENTRIP2
1
6
FB2
FB1
2
5
RILIM1
150k
150k
C9
4.7µF
R6
100k
PGOOD Indicator
C16
4.7µF
REF
3
C15
0.22µF
TONSEL
SKIPSEL
4
14
Frequency Control
PWM/DEM/Ultrasonic
EN
ON
OFF
13
R14
6.5k
R15
10k
C21
C20
0.1µF
R12
15k
R13
10k
C18
C19
0.1µF
GND 15
6V to 25V
VREF
2V
RILIM2
RT8205M
PHASE1
LGATE1
BOOT1
UGATE1
VOUT1
VOUT1
5V
VIN
VREG5
VREG3
PGOOD
GND
16
25 (Exposed Pad)
19
22
20
21
24
23
17
8
PHASE2
LGATE2
BOOT2
UGATE2
VOUT2
VOUT2
Q2
L2
C11
C17
3.3V
R10
C12
VIN
10µF
10µF
0.1µF
R11
C14
10
11
9
12
7
BSC119
N03S
Q4
BSC119
N03S
0
0
C13
4.7µH
220µF
Q1
L1
C2
C3
R4
10µF
0.1µF
R5
C4
BSC119
N03S
Q3
BSC119
N03S
0
0
C1
6.8µH
220µF
R8
3.9
C10
0.1µF
5V Always On
3.3V Always On
ENTRIP1
ENTRIP2
1
6
FB2
FB1
2
5
150k
150k
C9
4.7µF
R6
100k
PGOOD Indicator
C16
4.7µF
EN
ON
OFF
13
R14
6.5k
R15
10k
C21
C20
0.1µF
R12
15k
R13
10k
C18
C19
0.1µF
GND 15
6V to 25V
C5
0.1µF
C7
0.1µF
SECFB
18
R6
R7
39k
CP
D1
D2
D3
D4
C6
0.1µF
C8
0.1µF
BAT254
200k
REF 3
C15
0.22µF
TONSEL
SKIPSEL
4
14
Frequency Control
PWM/DEM/Ultrasonic
VREF
2V
RBOOT1
RBOOT2
RILIM1
RILIM2



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