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RT8856 Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part # RT8856
Description  Multi-Phase PWM Controller for CPU Core Power Supply
PDF  23 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8856 Datasheet(HTML) 2 Page - Richtek Technology Corporation

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RT8856
2
DS8856-03
June 2011
www.richtek.com
Typical Application Circuit
Pin Configurations
(TOP VIEW)
WQFN-40L 6x6
30
29
28
27
26
25
24
23
22
21
31
32
33
34
35
36
37
38
39
40
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
UGATE2
PHASE2
PGND2
LGATE2
PVCC
LGATE1
PGND1
PHASE1
UGATE1
BOOT1
DPRSLPVR
VRON
FS
CM
VID6
VID5
VID4
VID3
VID2
GND
CMSET
41
VOUT
VID0
VID1
VID2
VID3
VID4
5V
10
22
23
25
7
8
9
6
24
20
31
1
13
2
30
29
27
28
16
39
40
36
33
15
VID0
VID1
VID2
VID3
UGATE1
UGATE2
ISEN1_N
RT8856
VID4
VID5
DPRSLPVR
BOOT2
LGATE1
PGND1
ISEN2
VRON
NTC
PHASE2
ISEN2_N
GND
PGND2
SOFT
VID5
12
11
PVCC
21
26
COMP
VCC
RGND
BOOT1
PGOOD
VID6
14
38
35
32
18
17
34
VID6
PHASE1
LGATE2
VSEN
FB
OCSET
ISEN1
19
R8
R7
R11
DPRSLPVR
VRON
PWRGD
3.3V
R23
R22
VCC
L1
VIN
C8
L2
VIN
C2
R6
C6
R14
C10
C17
R26
R29
VCC
C11
R19
CPU VSS SENSE
C3
C14
C15
C1
C9
R1
C4
Q1
Q2
Q3
Q4
R2
R3
R4
7V to 24V
R5
C5
D1
R9
R10
R12
7V to 21V
R13
C9
D2
R27
R28
NTC2
Vccp
CM
4
CM
C12
R15
R21
NTC1
FS
3
R25
C18
R24
CPU VCC SENSE
R20
VOUT
CLKEN
CLKEN
VRTT
VRTT
PSI
PSI
41 (Exposed pad)
C7
VIN
37
TON
R16
R17
C13
C16
CPU VSS SENSE
5 CMSET
R18



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