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| 型号： | IRU3021MCW |
| 厂商： | International Rectifier |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC CTRL/REG SYNC BUCK 28-SOIC |
| 标准包装： | 27 |
| 应用： | 控制器，Intel 处理器 |
| 输入电压： | 5V，12V |
| 输出数： | 4 |
| 输出电压： | 1.3 V ~ 5.5 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC W |
| 包装： | 管件 |
| 其它名称： | *IRU3021MCW IRU3021M-CW IRU3021M-CW-ND |
Data Sheet No. PD94145
IRU3021M
5-BIT PROGRAMMABLE SYNCHRONOUS BUCK
CONTROLLER IC WITH TRIPLE LDO CONTROLLER
FEATURES
Provides single chip solution for Vcore, GTL+,
AGP bus, and 1.8V
Automatic voltage selection for AGP slot V DDQ
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
DESCRIPTION
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 V DDQ 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 V OUT 2(V DDQ ),
V OUT 3(1.5V) and V OUT 4(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 R DS(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.
3.3V
LINEAR
V OUT 2
CONTROL
IRU3021M
SWITCHER
CONTROL
V OUT 1
V OUT 3
LINEAR
CONTROL
LINEAR
CONTROL
V OUT 4
Figure 1 - Typical application of the IRU3021M.
PACKAGE ORDER INFORMATION
Rev. 1.5
07/17/02
T A ( 8 C)
0 To 70
DEVICE
IRU3021MCW
www.irf.com
PACKAGE
28-Pin Plastic SOIC WB
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IRU3021MCWTR | 功能描述:IC CTRL/REG SYNC BUCK 28-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,000 系列:- 应用:电源，ICERA E400，E450 输入电压:4.1 V ~ 5.5 V 输出数:10 输出电压:可编程 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:42-WFBGA，WLCSP 供应商设备封装:42-WLP 包装:带卷 (TR) |
| IRU3027 | 制造商:IRF 制造商全称:International Rectifier 功能描述:5-BIT PROGRAMMABLE SYNCHRONOUS BUCK CONTROLLER IC WITH TRIPLE LDO CONTROLLER |
| IRU3027CW | 功能描述:IC CTRL/REG SYNC BUCK 28-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,000 系列:- 应用:电源，ICERA E400，E450 输入电压:4.1 V ~ 5.5 V 输出数:10 输出电压:可编程 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:42-WFBGA，WLCSP 供应商设备封装:42-WLP 包装:带卷 (TR) |
| IRU3027CWPBF | 制造商:International Rectifier 功能描述:DC DC Cntrlr Quad-OUT Synchronous Buck Controller/PWM DC to DC Controller 28-Pin SOIC W Tube |
| IRU3027CWTR | 功能描述:IC CTRL/REG SYNC BUCK 28-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,000 系列:- 应用:电源，ICERA E400，E450 输入电压:4.1 V ~ 5.5 V 输出数:10 输出电压:可编程 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:42-WFBGA，WLCSP 供应商设备封装:42-WLP 包装:带卷 (TR) |
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