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CHL8318 Datasheet(PDF) 2 Page - International Rectifier

Part # CHL8318
Description  DIGITAL MULTI-PHASE BUCK CONTROLLER
Download  4 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

CHL8318 Datasheet(HTML) 2 Page - International Rectifier

  CHL8318_15 Datasheet HTML 1Page - International Rectifier CHL8318_15 Datasheet HTML 2Page - International Rectifier CHL8318_15 Datasheet HTML 3Page - International Rectifier CHL8318_15 Datasheet HTML 4Page - International Rectifier  
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PRODUCT BRIEF
CHL8318
DIGITAL MULTI-PHASE BUCK CONTROLLER
Page 2 of 4
PB0006
Rev. 1.00, October 26, 2009
FUNCTIONAL BLOCK DIAGRAM
Digital Processor
Channel Current Sense
ISEN1
IRTN1
Monitor
ADC
VINSEN
VID decode
and DAC
VID0
VID1
VID2
VID3
VID5
VID4
VID7
VID6
VCPU
VRTN
Σ
Voltage
Error
ADC
Current
Balance
PID +
Controller
Transient
Controller
PWM
Generator
PWM1
SMBus
Interface
SCL
SDA
Oscillator, NVM
State Control, and
Monitoring
Reference
EN
LDO
3.3V
1.8V
GND
Vref
Current
Monitor
IMON
PSI
V18A
RRES
OVP
OVP
RCSP
RCSM
VAR_GATE
TSEN1
SALERT
VRHOT VR_Ready
PWM2
PWM3
PWM4
PWM5
PWM6
ISEN2
IRTN2
ISEN3
IRTN3
ISEN4
IRTN4
ISEN5
IRTN5
ISEN6
IRTN6
ISEN7
IRTN7
ISEN8
IRTN8
TSEN2
TSEN3
PWM7
PWM8
SADDR/
GAMER_OFF
Figure 2. Functional Block Diagram


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