CHL8318CRT International Rectifier, CHL8318CRT Datasheet - Page 3

• Manufacturer Part Number: CHL8318CRT
• Description: 8 phase VR11.1 multiphase PWM controller for high efficiency solutions
• Manufacturer: International Rectifier

Specifications of CHL8318CRT

• Controller: CPU
• Overclocking: Yes
• Auto-psi/dpc: Yes
• Vgd: Yes
• Voltage Outputs (#): 1
• Phases (#): 8
• Typical Configuration: 8 Multiphase
• I2c: -
• Smbus: Yes
• Pmbus: -
• Package: QFN 8 x 8

TYPICAL APPLICATIONS
Figure 3. 8-phase VRD using CHL8318 Controller and CHL8510 MOSFET drivers
CPU
R
R
To
VIN_1
VIN_2
+12V
R_IMON
R
Th
+3.3V
System
VRTN
R
R
From
series
R
R
R
series
Th
Th
Th
CPU
+3.3V
To
RCS
C_IMON
CCS
30
40
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6 SADDR/
7
8
9
RCSP
RCSM
VCC
VCPU
VRTN
GAMER_OFF
RRES
VINSEN
EN
SALERT#
SDA
SCL
PSI#
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
VR_READY
VR_HOT
IMON
TSEN1
TSEN2
TSEN3
V18A
CHL8318
GND
VAR_GATE
PWM 2
PWM1
PWM3
PWM4
PWM5
PWM6
PWM7
PWM8
ISEN7
IRTN7
ISEN8
IRTN8
ISEN1
IRTN1
ISEN2
IRTN2
ISEN3
IRTN3
ISEN4
IRTN4
ISEN5
IRTN5
ISEN6
IRTN6
Page 3 of 4
PRODUCT BRIEF
NC
38
43
44
39
41
42
32
55
56
33
53
54
34
51
52
35
49
50
36
47
48
37
45
46
31
29
DIGITAL MULTI-PHASE BUCK CONTROLLER
V_VGD
V_VGD
V_VGD
V_VGD
V_VGD
V_VGD
V_VGD
V_VGD
12V
12V
12V
12V
12V
12V
12V
12V
12V
CHL8510
CHL8510
CHL8510
CHL8510
CHL8510
CHL8510
CHL8510
CHL8510
CHL8510
MODE
MODE
MODE
MODE
MODE
MODE
MODE
MODE
BOOT
Vcc
HVCC
LVCC
PWM
BOOT
Vcc
HVCC
LVCC
PWM
BOOT
Vcc
HVCC
LVCC
PWM
BOOT
Vcc
HVCC
LVCC
PWM
BOOT
Vcc
HVCC
LVCC
PWM
BOOT
Vcc
HVCC
LVCC
PWM
BOOT
Vcc
HVCC
LVCC
PWM
BOOT
Vcc
HVCC
LVCC
PWM
MODE
BOOT
Vcc
HVCC
LVCC
PWM
LO_GATE
LO_GATE
LO_GATE
LO_GATE
LO_GATE
LO_GATE
LO_GATE
LO_GATE
LO_GATE
HI_GATE
HI_GATE
HI_GATE
HI_GATE
HI_GATE
HI_GATE
HI_GATE
HI_GATE
HI_GATE
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
GND
GND
GND
GND
GND
GND
GND
GND
GND
Gate Drive Circuit
Optional Variable
V_VGD
Rev. 1.00, October 26, 2009
V_CPU
O
A
D
L
CHL8318
PB0006