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APW6021KC-TR

更新时间： 2024-10-02 02:54:39
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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APW6021KC-TR 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Contact ManufacturerReach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.8JESD-30 代码：R-PDSO-G28
JESD-609代码：e0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）：NOT SPECIFIED
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：Tin/Lead (Sn/Pb)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

APW6021KC-TR 数据手册

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APW6021  
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)  
The APW6021 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 PWM controller regulates the micro-  
processor core voltage with a synchronous-rectified  
buck converter. The linear controllers regulate the  
computer system’s AGP 1.5V or 3.3V bus power, the  
1.5V GTL bus power, and the 1.8V power for the  
North/South Bridge core voltage and/or cache  
memory circuits. The APW6021 includes an Intel-  
compatible, TTL 5-input digital-to-analog converter  
(DAC) that adjusts the core PWM output voltage from  
1.3 VDC to 2.05 VDC in 0.05V steps and from 2.1 VDC to  
3.5 VDC in 0.1V increments. The precision reference  
and voltage-mode control provide ±1% static  
regulation. The AGP bus power linear controller’s  
output (VOUT2 ) is user-selectable, through a TTL-com-  
patible signal applied at the SELECT pin, for levels of  
1.5V or 3.3V with ±3% accuracy. Based on the sta-  
tus of the FIX pin, the other two linear regulators pro-  
• GTL Bus (1.5V)  
•
•
•
•
Linear Controllers Drives with both MOSFET  
and Bipolar Series Pass Transistors  
Fixed or Externally Resistor-Adjustable Linear  
Outputs (FIX Pin)  
Simple Single-Loop Control Design  
• 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  
• 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  
MOSFET’s rDS(ON)  
vide either fixed output voltages of 1.5V± 3% (VOUT3  
)
and 1.8V±3% (VOUT4 ), or user-adjustable by means  
of an external resistor divider. All linear controllers  
can employ either N-channel MOSFETs or bipolar  
NPNs for the pass transistor.  
•
•
The APW6021 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. P.4 - Mar., 2001  
1
www.anpec.com.tw  
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