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HIP6019BCB

更新时间： 2024-11-22 22:25:43
品牌 Logo 应用领域
英特矽尔 - INTERSIL 开关光电二极管
页数 文件大小 规格书
15页 352K
描述
Advanced Dual PWM and Dual Linear Power Control

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HIP6019BCB 数据手册

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HIP6019B  
TM  
Data Sheet  
October 1998  
FN4587  
Advanced Dual PWM and Dual Linear  
Power Control  
Features  
• Provides 4 Regulated Voltages  
The HIP6019B provides the power control and protection for  
four output voltages in high-performance microprocessor and  
computer applications. The IC integrates two PWM  
- Microprocessor Core, I/O, Clock Chip and GTL Bus  
• Drives N-Channel MOSFETs  
controllers, a linear regulator and a linear controller as well as  
the monitoring and protection functions into a single 28 lead  
SOIC package. One PWM controller regulates the  
microprocessor core voltage with a synchronous-rectified  
buck converter, while the second PWM controller supplies the  
computer’s 3.3V power with a standard buck converter. The  
linear controller regulates power for the GTL bus and the  
linear regulator provides power for the clock driver circuits.  
• Operates from +5V and +12V Inputs  
• Simple Single-Loop Control Designs  
- Voltage-Mode PWM Control  
• Fast Transient Response  
- High-Bandwidth Error Amplifiers  
- Full 0% to 100% Duty Ratios  
• Excellent Output Voltage Regulation  
The HIP6019B includes an Intel-compatible, TTL 5-input  
digital-to-analog converter (DAC) that adjusts the core PWM  
output voltage from 2.1VDC to 3.5VDC in 0.1V increments  
and from 1.3VDC to 2.05VDC in 0.05V steps. The precision  
reference and voltage-mode control provide ±1% static  
regulation. The second PWM controller is user-adjustable for  
output levels between 3.0V and 3.5V with ±2% accuracy. The  
adjustable linear regulator uses an internal pass device to  
provide 2.5V ±2.5%. The adjustable linear controller drives an  
external N-Channel MOSFET to provide 1.5V ±2.5%.  
- Core PWM Output: ±1% Over Temperature  
- I/O PWM Output: ±2% Over Temperature  
- Other Outputs: ±2.5% Over Temperature  
• TTL-Compatible 5-Bit Digital-to-Analog Core Output  
Voltage Selection  
- Wide Range . . . . . . . . . . . . . . . . . . . 1.3V  
- 0.1V Steps . . . . . . . . . . . . . . . . . . . . 2.1V  
to 3.5V  
to 3.5V  
DC  
DC  
DC  
DC  
DC  
- 0.05V Steps . . . . . . . . . . . . . . . . . . 1.3V  
to 2.05V  
DC  
The HIP6019B monitors all the output voltages. A single  
Power Good signal is issued when the core is within ±10% of  
the DAC setting and the other levels 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  
• Power-Good Output Voltage Monitor  
• Microprocessor Core Voltage Protection Against Shorted  
MOSFET  
• Over-Voltage and Over-Current Fault Monitors  
- Does Not Require Extra Current Sensing Element,  
controller’s over-current functions monitor the output current  
by sensing the voltage drop across the upper MOSFET’s  
Uses MOSFET’s r  
DS(ON)  
r
, eliminating the need for a current sensing resistor.  
DS(ON)  
• Small Converter Size  
- Constant Frequency Operation  
Pinout  
- 200kHz Free-Running Oscillator; Programmable from  
50kHz to 1MHz  
HIP6019B  
(SOIC)  
TOP VIEW  
Applications  
UGATE2  
PHASE2  
VID4  
1
2
3
4
5
6
7
8
9
28 VCC  
•
•
Full Motherboard Power Regulation for Computers  
Low-Voltage Distributed Power Supplies  
27 UGATE1  
26 PHASE1  
25 LGATE1  
24 PGND  
23 OCSET1  
22 VSEN1  
21 FB1  
VID3  
Ordering Information  
VID2  
o
VID1  
PART NUMBER  
TEMP. ( C)  
PACKAGE  
PKG. NO.  
VID0  
HIP6019BCB  
0 to 70  
28 Ld SOIC  
M28.3  
PGOOD  
OCSET2  
20 COMP1  
19 FB3  
FB2 10  
COMP2 11  
SS 12  
18 GATE3  
17 GND  
16 VOUT4  
15 VSEN2  
FAULT/RT 13  
FB4 14  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2002. All Rights Reserved  
267  
1234567...15

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HIP6019BCB 替代型号

型号 品牌 替代类型 描述 数据表
HIP6019BCBZ INTERSIL

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