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ISL6554

更新时间： 2024-02-13 09:24:30
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英特矽尔 - INTERSIL 调节器微处理器多相元件
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16页 483K
描述
Microprocessor CORE Voltage Regulator Using Multi-Phase Buck PWM Control Without Programmable Droop

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ISL6554 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP20,.4
针数：20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.67
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT/VOLTAGE-MODE
控制技术：PHASE-SHIFT CONTROL最大输入电压：5.25 V
最小输入电压：4.75 V标称输入电压：5 V
JESD-30 代码：R-PDSO-G20JESD-609代码：e3
长度：12.8 mm湿度敏感等级：3
功能数量：1端子数量：20
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP20,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：2.65 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：PHASE-SHIFT最大切换频率：1500 kHz
温度等级：COMMERCIAL端子面层：Matte Tin (Sn) - annealed
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：7.5 mmBase Number Matches：1

ISL6554 数据手册

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ISL6554  
®
Data Sheet  
February 11, 2005  
FN9003.3  
Microprocessor CORE Voltage Regulator  
Using Multi-Phase Buck PWM Control  
Without Programmable Droop  
The ISL6554 is the first controller in the Intersil Multi-Phase  
family without the programmable droop feature. The  
ISL6554 in combination with the HIP6601A, HIP6602A or  
HIP6603A companion gate drivers and Intersil MOSFETs  
form a complete solution for high-current, high slew-rate  
applications. The ISL6554 regulates output voltage,  
balances load currents and provides protective functions for  
two to four synchronous-rectified buck-converter channels.  
Features  
• Multi-Phase Power Conversion  
• Precision Channel Current Balance  
- Lossless Current Sampling - Uses r  
DS(ON)  
• Precision CORE Voltage Regulation  
- ±1% System Accuracy Over Temperature  
- No Programmable Droop  
• Microprocessor Voltage Identification Input  
- 5-Bit VID Decoder  
- 0.95V to 1.70V in 25mV Steps  
A novel approach to current sensing is used to reduce  
overall solution cost. The voltage developed across the  
lower MOSFET’s parasitic on-resistance during conduction  
is sampled and fed back to the controller. This lossless  
current-sensing approach allows the controller to maintain  
phase-current balance between the power channels and  
overcurrent protection.  
• Fast Transient Response  
• Overcurrent Protection  
• Selection of 2, 3, or 4 Phase Operation  
• High Ripple Frequency (80kHz to 2MHz)  
• Pb-Free Available (RoHS Compliant)  
A 5-bit DAC allows digital programming of the output voltage  
in 25mV steps over a range from 0.95V to 1.70V with a  
system accuracy of ±1%. Internal pull ups on each DAC  
input make external pull-up resistors unnecessary when  
interfacing with open-drain output signals.  
Applications  
• Power Supply Controller for Intel® Itanium™ Processor  
Family  
• Voltage Regulator Modules  
• Servers and Workstations  
The PGOOD signal is held low during soft-start until the  
output voltage increases to within 4% of the programmed.  
When the CORE voltage falls 9% below the programmed  
VID level, an undervoltage condition is detected and results  
in PGOOD transitioning low.  
Ordering Information  
PKG.  
PART NUMBER  
ISL6554CB  
TEMP. (°C)  
PACKAGE  
DWG. #  
0 to 70  
20 Ld SOIC  
M20.3  
In the event of an overvoltage condition, The converter shuts  
down and turns ON the lower MOSFETs to clamp and  
protect the microprocessor. Overcurrent protection reduces  
the regulator RMS output current to 41% of the programmed  
overcurrent trip value. These features provide monitoring  
and protection for the microprocessor and power system.  
ISL6554CB-T  
20 Ld SOIC Tape and Reel  
ISL6554CBZ (Note)  
0 to 70  
20 Ld SOIC  
(PB-free)  
M20.3  
ISL6554CBZ-T (Note)  
ISL6554CBZA (Note)  
20 Ld SOIC Tape and Reel (PB-free)  
0 to 70  
20 Ld SOIC  
(PB-free)  
M20.3  
Pinout  
ISL6554 (SOIC)  
TOP VIEW  
ISL6554CBZA-T (Note)  
20 Ld SOIC Tape and Reel (PB-free)  
NOTE: Intersil Pb-free products employ special Pb-free material sets;  
molding compounds/die attach materials and 100% matte tin plate  
termination finish, which are RoHS compliant and compatible with  
both SnPb and Pb-free soldering operations. Intersil Pb-free products  
are MSL classified at Pb-free peak reflow temperatures that meet or  
exceed the Pb-free requirements of IPC/JEDEC J STD-020C.  
1
2
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
VID4  
VID3  
VCC  
PGOOD  
PWM4  
ISEN4  
ISEN1  
PWM1  
PWM2  
ISEN2  
ISEN3  
PWM3  
3
VID2  
4
VID1  
5
VID0  
6
COMP  
FB  
7
8
FS/DIS  
GND  
9
10  
VSEN  
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.  
1
Copyright © Intersil Americas Inc. 2001, 2004, 2005. All Rights Reserved. Intel® is a registered trademark of Intel Corporation.  
Itanium™ is a trademark of Intel Corporation. All other trademarks mentioned are the property of their respective owners.  
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