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APW6021AKC-TU

更新时间： 2024-02-02 08:27:36
品牌 Logo 应用领域
茂达 - ANPEC 控制器
页数 文件大小 规格书
13页 139K
描述
Advanced PWM and Triple Linear Power Controllers

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中文翻译

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APW6021AKC-TU 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Contact Manufacturer包装说明：SOP, SOP28,.4
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.72
JESD-30 代码：R-PDSO-G28JESD-609代码：e3
湿度敏感等级：1端子数量：28
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：SOP28,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：225
电源：12 V认证状态：Not Qualified
子类别：Power Management Circuits标称供电电压 (Vsup)：12 V
表面贴装：YES温度等级：COMMERCIAL
端子面层：MATTE TIN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：NOT SPECIFIEDBase Number Matches：1

APW6021AKC-TU 数据手册

 浏览型号APW6021AKC-TU的Datasheet PDF文件第2页浏览型号APW6021AKC-TU的Datasheet PDF文件第3页浏览型号APW6021AKC-TU的Datasheet PDF文件第4页浏览型号APW6021AKC-TU的Datasheet PDF文件第5页浏览型号APW6021AKC-TU的Datasheet PDF文件第6页浏览型号APW6021AKC-TU的Datasheet PDF文件第7页 
APW6021A  
Advanced PWM and Triple Linear Power Controllers  
Functional  
Applications  
•
4 Regulated Voltages are provided  
• Microprocessor Core (1.3V to 3.5V)  
• AGP Bus (1.5V or 3.3V)  
•
Motherboard Power Regulation for Computers  
General Description  
• Memory (1.8V) / GTL Bus (1.5V)  
Linear Controllers Drives with both MOSFET  
and Bipolar Series Pass Transistors  
Fixed or Externally Resistor-Adjustable Linear  
Outputs (FIX Pin)  
The APW6021A provides the power control and pro-  
tection for four output voltages in high-performance,  
graphics intensive microprocessor and computer  
applications. The IC integrates voltage-mode PWM  
controller and three linear controllers, as well as the  
monitoring and protection functions into a 28-pin SOIC  
package. The synchronous-rectified buck converter  
includes an Intel-compatible , TTL 5-input digital-to-  
analog converter (DAC)that adjusts the core PWM  
output voltage from 1.3VDC to 2.05VDC in 0.05V steps  
and from 2.1VDC to 3.5VDC in 0.1V increments. the  
precision reference and voltage-mode control provide  
±1% static regulation. A TTL-compatible signal ap-  
plied to the SELECT pin dictates which method of  
control is used for the AGP bus power : a low state  
results in linear control of the AGP bus to 1.5V , while  
a high state transitions the output through a linearly  
controlled softstart to 3.3V , followed by full enhance-  
ment of the external MOSFET to pass the input  
voltage. The other two linear regulators provide fixed  
output voltages of 1.5V GTL bus power and 1.8V  
power for the North/South Bridge core and/or cache  
memory. These levels are user-adjustable by means  
of an external resistor divider and pulling the FIX pin  
low. All linear controllers can employ either N-Chan-  
•
•
•
•
Voltage-Mode PWM Control  
Fast PWM Converter Transient Response  
• High-Bandwidth Error Amplifier  
• Full 0% to 100% Duty Ratio  
•
•
Excellent Output Voltage Regulation  
• Core PWM Output: ± 1% Over Temperature  
• Other Outputs: ± 3% Over Temperature  
TTL-Compatible 5- Bit DAC Microprocessor  
Core Output Voltage Selection  
• Shutdown Feature Removed When All Inputs  
High  
• Wide Range - 1.3VDC to 3.5 VDC  
Power-Good Output Voltage Monitor  
Over-Voltage and Over-Current Fault Monitors  
• Switching Regulator Does Not Require  
Extra Current Sensing Element, Uses Upper  
MOSFET’s rDS(ON)  
•
•
nel MOSFETs or bipolar NPNs for the pass transistor.  
The APW6021A 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 controller’s over-  
current function monitors the output current by using  
•
Small Converter Size  
• Constant Frequency Operation  
• 200kHz Free-Running Oscillator; Program-  
mable From 50kHz to Over 1MHz  
the voltage drop across the upper MOSFET’s rDS(ON)  
.
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise  
customers to obtain the latest version of relevant information to verify before placing orders.  
Copyright ANPEC Electronics Corp.  
Rev. A.1 - Mar., 2001  
1
www.anpec.com.tw  
1234567...13

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