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HIP6020ACB

更新时间： 2024-11-22 22:51:23
品牌 Logo 应用领域
英特矽尔 - INTERSIL 开关光电二极管控制器
页数 文件大小 规格书
16页 194K
描述
Advanced Dual PWM and Dual Linear Power Controller

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HIP6020ACB 数据手册

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HIP6020A  
TM  
Data Sheet  
April 1999  
File Number 4735  
Advanced Dual PWM and Dual Linear  
Power Controller  
Features  
• Provides 4 Regulated Voltages  
- Microprocessor Core, AGP Bus, North/South Bridge  
and/or Cache Memory, and GTL Bus Power  
The HIP6020A provides the power control and protection for  
four output voltages in high-performance, graphics intensive  
microprocessor and computer applications. The IC  
integrates two PWM controllers and two linear controllers, as  
well as the monitoring and protection functions into a 28-pin  
SOIC package. One PWM controller regulates the  
microprocessor core voltage with a synchronous-rectified  
buck converter. The second PWM controller supplies the  
computer system’s AGP 1.5V or 3.3V bus power with a  
standard buck converter. The linear controllers regulate  
power for the 1.5V GTL bus and the 1.8V power for the  
North/South Bridge core voltage and/or cache memory  
circuits.  
• Drives N-Channel MOSFETs  
• Linear Regulator Drives Compatible with both MOSFET  
and Bipolar Series Pass Transistors  
• Simple Single-Loop Control Designs  
- Voltage-Mode PWM Control  
• Fast PWM Converter Transient Response  
- High-Bandwidth Error Amplifiers  
- Full 0% to 100% Duty Ratios  
• Excellent Output Voltage Regulation  
- Core PWM Output: ±1% Over Temperature  
- AGP Bus PWM Output: ±3% Over Temperature  
(1.5V Setting Only)  
The HIP6020A includes an Intel-compatible, TTL 5-input  
digital-to-analog converter (DAC) that adjusts the core PWM  
- Other Outputs: ±3% Over Temperature  
• TTL-Compatible 5 Bit DAC Microprocessor Core Output  
Voltage Selection  
output voltage from 1.3V  
to 2.05V  
in 0.05V steps and  
in 0.1V increments. The precision  
DC  
DC  
from 2.1V  
DC  
to 3.5V  
DC  
- Wide Range - 1.3V  
to 3.5V  
DC  
DC  
reference and voltage-mode control provide ±1% static  
regulation. The second PWM controller’s output is user-  
selectable, through a TTL-compatible signal applied at the  
SELECT pin, for levels of 1.5V (±3%) or fully ON switch. The  
linear regulators use external N-Channel MOSFETs or  
bipolar NPN pass transistors to provide output voltages of  
• Power-Good Output Voltage Monitor  
• Over-Voltage and Over-Current Fault Monitors  
- Switching Regulators Use MOSFET’s r  
Sensing  
DS(ON)  
• Small Converter Size  
- Constant Frequency Operation  
1.5V ±3% (V  
) and 1.8V ±3% (V ).  
OUT4  
- 200kHz Free-Running Oscillator; Programmable From  
50kHz to Over 1MHz  
- Small External Component Count  
OUT3  
The HIP6020A monitors all the output voltages. A single  
Power Good signal is issued when the core is within 10% of  
the DAC setting and all other outputs are above their under-  
voltage levels. Additional built-in over-voltage protection for  
the core output uses the lower MOSFET to prevent output  
voltages above 115% of the DAC setting. The PWM  
Applications  
Motherboard Power Regulation for Computers  
•
Pinout  
controllers’ over-current function monitors the output current  
by using the voltage drop across the upper MOSFET’s  
HIP6020A (SOIC)  
TOP VIEW  
r
, eliminating the need for a current sensing resistor.  
DS(ON)  
UGATE2  
PHASE2  
VID4  
1
2
3
4
5
6
7
8
9
28 VCC  
27 UGATE1  
26 PHASE1  
25 LGATE1  
Ordering Information  
VID3  
TEMP.  
PKG.  
NO.  
o
24 PGND  
VID2  
PART NUMBER RANGE ( C)  
PACKAGE  
28 Ld SOIC  
VID1  
23 OCSET1  
22 VSEN1  
21 FB1  
HIP6020ACB  
0 to 70  
M28.3  
VID0  
PGOOD  
OCSET2  
20 COMP1  
19 FB3  
VSEN2 10  
SELECT 11  
SS 12  
18 DRIVE3  
17 GND  
FAULT/RT 13  
FB4 14  
16 VAUX  
15 DRIVE4  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999  
4-1  
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HIP6020ACB 替代型号

型号 品牌 替代类型 描述 数据表
HIP6019BCBZ INTERSIL

完全替代

 Advanced Dual PWM and Dual Linear Power Control

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