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ISL6363 데이터시트 PDF




Intersil Corporation에서 제조한 전자 부품 ISL6363은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 ISL6363 기능
기능 Multiphase PWM Regulator
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ISL6363 데이터시트, 핀배열, 회로
Multiphase PWM Regulator for VR12™ Desktop CPUs
ISL6363
Fully compliant with VR12™ specifications, the ISL6363
provides a complete solution for microprocessor core and
graphics power supplies. It provides two Voltage Regulators
(VRs) with three integrated gate drivers. The first output (VR1)
can be configured as a 4, 3, 2 or 1-phase VR while the second
output (VR2) is a 1-phase VR. The two VRs share a serial control
bus to communicate with the CPU and achieve lower cost and
smaller board areacomparedwith a two-chip approach.
Based on Intersil’s Robust Ripple Regulator R3 Technology™,
the PWM modulator, compared to traditional modulators, has
faster transient settling time, variable switching frequency
during load transients and has improved light load efficiency
with its ability to automatically change switching frequency.
The ISL6363 has several other key features. Both outputs
support DCR current sensing with a single NTC thermistor for
DCR temperature compensation or accurate resistor current
sensing. Both outputs come with remote voltage sensing,
programmable VBOOT voltage, serial bus address, IMAX, TMAX,
adjustable switching frequency, OC protection and separate
power-good indicators. To reduce output capacitors, the
ISL6363 also has an additional compensation function for
PS1/2 mode and high frequency load transient compensation.
Features
• Serial Data Bus (SVID)
•D ual Outputs:
- Configurable 4, 3, 2 or 1-phase for the 1st Output with 2
Integrated Gate Drivers
- 1-phase for the 2nd Output with Integrated Gate Driver
• Precision Core Voltage Regulation
- 0.5% System Accuracy Over-Temperature
- Enhanced Load Line Accuracy
• PS2 Compensation and High Frequency Load Transient
Compensation
• Differential Remote Voltage Sensing
• Lossless Inductor DCR Current Sensing
•P rogrammable VBOOT Voltage at Start-up
• Resistor Programmable Address, IMAX, TMAX for Both
Outputs
• Adaptive Body Diode Conduction Time Reduction
Applications
•V R12 Desktop Computers
Related Literature
• ISL6363EVAL1Z User Guide
VCORE
50mV/DIV
COMP
1V/DIV
2µs/DIV
65A STEP LOAD
1V/DIV
FIGURE 1. FAST TRANSIENT RESPONSE
1.15
1.10
1.05
1.00
0.95
1.7mLOADLINE
1.1V - PS1
1.1V - PS0
0.90
0 5 101 5 20 253 03 5 40 45 50 55 60 65 70 75 80 85
IOUT (A)
FIGURE 2. ACCURATE LOADLINE, VCORE vs IOUT
September 29, 2011
FN6898.0
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2011. All Rights Reserved
Intersil (and design) and R3 Technology are trademarks owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
http://www.Datasheet4U.com




ISL6363 pdf, 반도체, 판매, 대치품
ISL6363
Pin Descriptions (Continued)
ISL6363
41
42
43
44
45
46
47
48
SYMBOL
BOOT2
LGATE2
PVCC
LGATE1
BOOT1
UGATE1
PHASE1
ADDR
DESCRIPTION
Connect an MLCC capacitor from this pin to the PHASE2 pin. The boot capacitor is charged through an internal boot diode
connected from the PVCCG pin to the BOOTG pin.
Output of the VR1 phase 2 low-side MOSFET gate driver. Connect this pin to the gate of the low-side MOSFET of phase 2.
Input voltage bias for the internal gate drivers for VR1. Connect +12V to this pin. Decouplewith at leasta 1µF MLCC capacitor
and place it as close to the pin as possible.
Output of the VR1 phase 1 low-side MOSFET gate driver. Connect this pin to the gate of the low-side MOSFET of phase 1.
Connect an MLCC capacitor from this pin to the PHASE1 pin. The boot capacitor is charged through an internal boot diode
connected from the PVCC pin to the BOOT1 pin.
Output of the VR1 phase 1 high-side MOSFET gate drive. Connect this pin to the gate of the high-side MOSFET of phase 1.
Current return path for the VR1 phase 1 high-side MOSFET gate driver. Connect this pin to the node connecting the source of
the high-side MOSFET, the drain of the low-side MOSFET and the output inductor of phase 1.
A resistor from this pin to GND programs the SVID address for VR1 and VR2. Refer to Table 9 on page 28.
4 FN6898.0
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ISL6363 전자부품, 판매, 대치품
ISL6363
Table of Contents
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Thermal Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Recommended Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Electrical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Gate Driver Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Theory of Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Multiphase R3 Modulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Start-up Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Voltage Regulation and Load Line Implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Differential Voltage Sensing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Phase Current Balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Dynamic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
VR_HOT#/ALERT# Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Protection Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
PSICOMP Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Adaptive Body Diode Conduction Time Reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Supported Data and Configuration Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Key Component Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Inductor DCR Current-Sensing Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Resistor Current-Sensing Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Overcurrent Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Compensator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Programming Resistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
NTC Network on the NTC and the NTCG pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Current Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Current Balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Optional Slew Rate Compensation Circuit for 1-Tick VID Transition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Revision History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Package Outline Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7 FN6898.0
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관련 데이터시트

부품번호상세설명 및 기능제조사
ISL6363

Multiphase PWM Regulator

Intersil Corporation
Intersil Corporation
ISL6364

Dual 4-Phase + 1-Phase PWM Controller

Intersil Corporation
Intersil Corporation

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