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IRU3013CQ

更新时间： 2024-09-14 22:48:03
品牌 Logo 应用领域
英飞凌 - INFINEON 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
6页 125K
描述
VRM 8.5 COMPATIBLE 5-BIT PROGRAMMABLE SYNCHRONOUS BUCK CONTROLLER IC WITH TRIPLE LDO CONTROLLER

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中文翻译

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IRU3013CQ 数据手册

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Data Sheet No. PD94249  
IRU3013  
VRM 8.5 COMPATIBLE  
5-BIT PROGRAMMABLE SYNCHRONOUS BUCK  
CONTROLLER IC WITH TRIPLE LDO CONTROLLER  
DESCRIPTION  
FEATURES  
Meets Latest VRM 8.5 Specification  
The IRU3013 controller IC is specifically designed for  
Provides Single Chip Solution for Vcore, 1.2V AGTL+, Intel Pentium III microprocessor applications as de-  
scribed in the VRM 8.5 specification. The IC provides  
1.8V and VDDQ  
On-Board 5-Bit DAC and Decoder programs the out- a single chip solution for the Vcore, 1.2V AGTL+,  
put voltage from 1.050V to 1.825V  
Loss-less Short Circuit Protection  
1.8V and a third uncommitted LDO controller that  
can be used either as 1.2V power good detector or  
Synchronous operation allows maximum efficiency to provide 1.5V AGP bus in applications that this  
Patented architecture allows fixed frequency opera- voltage is required. The IRU3013 features a patented  
tion as well as 100% duty cycle when operating with topology that, in combination with a few external com-  
a changing load  
ponents, (*Note: See application current in figure 3) will  
provide in excess of 30A of output current for an on-  
board Vcore synchronous converter while automatically  
Minimum Part Count, No External Compensation  
Soft-Start  
High current totem pole driver for directly driving an providing the output voltage specified in VRM 8.5 speci-  
external Power MOSFET  
Power Good Function  
fication. The IRU3013 also features, loss-less current  
sensing by using the RDS(ON) of the high side Power  
MOSFET as the sensing resistor, a Power Good win-  
dow comparator that switches its open collector output  
low when the output is outside of a ±10% window. Other  
features of the device are: Under-voltage lockout for both  
5V and 12V supplies, an external programmable soft-  
start function, and the ability to program the oscillator  
frequency by connecting an external capacitor.  
APPLICATIONS  
Pentium III with VRM 8.5 Specification  
DC to DC Converters  
VRM 8.5 VID  
5V  
TYPICAL APPLICATION  
3.3V  
LINEAR  
CONTROL  
SWITCHER  
V
OUT  
1
V
OUT  
2
CONTROL  
IRU3013  
LINEAR  
LINEAR  
V
OUT  
3
V
OUT  
4
CONTROL  
CONTROL  
Figure 1 - Typical application of IRU3013.  
Note: Pentium III is trade mark of Intel Corp.  
PACKAGE ORDER INFORMATION  
TA (°C)  
0 To 70  
0 To 70  
DEVICE  
PACKAGE  
IRU3013CW  
IRU3013CQ  
24-Pin Plastic SOIC WB  
24-Pin Plastic QSOP  
Rev. 1.2  
09/06/01  
1
123456

中文翻译

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IRU3013CWPBF INFINEON

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IRU3021M INFINEON

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 		5-BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS TRIPLE LDO CONTROLLER
IRU3021MCW INFINEON

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 		5-BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS TRIPLE LDO CONTROLLER
IRU3021MCWPBF INFINEON

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 		Switching Controller, 217kHz Switching Freq-Max, PDSO28, PLASTIC, SOIC-28
IRU3021MCWTR INFINEON

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 		Switching Controller, Current/voltage-mode, 217kHz Switching Freq-Max, PDSO28, PLASTIC, SO

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