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IRU3021MCW PDF预览

IRU3021MCW

更新时间： 2024-11-27 22:30:19
品牌 Logo 应用领域
英飞凌 - INFINEON 开关光电二极管控制器
页数 文件大小 规格书
8页 116K
描述
5-BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS TRIPLE LDO CONTROLLER

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中文翻译

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IRU3021MCW 技术参数

是否Rohs认证：不符合生命周期：Obsolete
包装说明：PLASTIC, SOIC-28Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.83Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制技术：PULSE WIDTH MODULATION
标称输入电压：5 VJESD-30 代码：R-PDSO-G28
JESD-609代码：e3长度：17.83 mm
功能数量：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
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：2.64 mm表面贴装：YES
切换器配置：PUSH-PULL最大切换频率：217 kHz
温度等级：COMMERCIAL端子面层：Matte Tin (Sn)
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 SPECIFIED
宽度：7.5 mmBase Number Matches：1

IRU3021MCW 数据手册

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Data Sheet No. PD94145  
IRU3021M  
5-BIT PROGRAMMABLE SYNCHRONOUS BUCK  
PLUS TRIPLE LDO CONTROLLER  
FEATURES  
DESCRIPTION  
Provides single chip solution for Vcore, GTL+,  
AGP bus, and 1.8V  
The IRU3021M controller IC is specifically designed to  
meet Intel specification for next generation microproces-  
sor applications requiring multiple on-board regulators.  
The IRU3021M provides a single chip controller IC for  
the Vcore, three LDO controllers, one with an automatic  
select pin that connects to the Type Detect pin of the  
AGP slot for the AGP VDDQ supply, one for GTL+ and  
the other for the 1.8V chip set regulator as required for  
the next generation PC applications. The IRU3021M uses  
N-channel MOSFET as pass transistor for Vout2(VDDQ),  
Vout3(1.5V) and Vout4(1.8V). No external resistor di-  
vider is necessary for any of the regulators. The switch-  
ing regulator feature a patented topology that in combi-  
nation with a few external components as shown in the  
typical application circuit, will provide well in excess of  
20A of output current for an on-board DC/DC converter  
while automatically providing the right output voltage via  
the 5-bit internal DAC .The IRU3021M also features, loss-  
less current sensing for both switcher by using the RDS(on)  
of the high-side power MOSFET as the sensing resistor,  
an output under-voltage shutdown that detects short cir-  
cuit condition for the linear outputs and latches the sys-  
tem off, and a Power Good window comparator that  
switches its open collector output low when any one of  
the outputs is outside of a pre-programmed window.  
Automatic voltage selection for AGP slot VDDQ  
supply  
Linear Regulator Controller On-Board for 1.8V  
Designed to meet Intel latest VRM specification  
for next generation microprocessors  
On-Board DAC programs the output voltage from  
1.3V to 3.5V  
Linear Regulator Controller On-Board for 1.5V  
GTL+ Supply  
Loss-less Short Circuit Protection for all Outputs  
Synchronous operation allows maximum effi-  
ciency  
Patented architecture allows fixed frequency  
operation as well as 100% duty cycle during  
dynamic load  
Minimum Part Count  
Soft-Start  
High current totem pole driver for direct driving of  
the external Power MOSFET  
Power Good function monitors all outputs  
Over-Voltage Protection Circuitry Protects the  
switcher output and generates a Fault output  
APPLICATIONS  
Total Power Solution for next generation Intel  
processor application  
TYPICAL APPLICATION  
5V  
3.3V  
LINEAR  
CONTROL  
SWITCHER  
Vout1  
Vout4  
CONTROL  
Vout2  
IRU3021M  
LINEAR  
LINEAR  
CONTROL  
CONTROL  
Vout3  
3021Mapp3-1.1  
Figure 1 - Typical application of the IRU3021M.  
PACKAGE ORDER INFORMATION  
TA (ꢀC)  
DEVICE  
PACKAGE  
0 To 70  
IRU3021MCW  
28-Pin Plastic SOIC WB  
Rev. 1.4  
07/24/01  
1
12345678

中文翻译

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