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参数资料
| 型号： | IRDC3831 |
| 厂商： | International Rectifier |
| 文件页数： | 1/31页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL SYNC BUCK CONVERTER |
| 产品变化通告： | (EP) Parts Discontinuation 25/May/2012 |
| 标准包装： | 1 |
| 系列： | SupIRBuck™ |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 0.75V |
| 电流 - 输出： | 8A |
| 输入电压： | 12V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 400kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | IR3831 |
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PD60363
IR3831MPbF
Sup IR Buck
TM
HIGHLY EFFICIENT INTEGRATED
SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS
Features
Description
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Wide Input Voltage Range 1.0V to 16V
Wide Output Voltage Range 0.6V to 0.9*Vin
Continuous 8A Load Capability
Integrated Bootstrap-diode
High Bandwidth E/A for excellent transient
performance
Programmable Switching Frequency up to 1.5 MHz
Programmable Over Current Protection (Hiccup)
PGood output
Programmable Soft-Start
Enable Input with Voltage Monitoring Capability
Enhanced Pre-Bias Start-up
Vp input for DDR Tracking applications
-40 o C to 125 o C operating junction temperature
Thermal Protection
5mm x 6mm Power QFN Package, 0.9 mm height
Lead-free, halogen-free and RoHS compliant
The IR3831 SupIRBuck TM is an easy-to-use, fully
integrated and highly efficient DC/DC regulator.
The MOSFETS co-packaged with the on-chip
PWM controller make IR3831 a space-efficient
solution, providing accurate power delivery for
DDR memory applications.
IR3831 is configured to generate termination
voltage (VTT) for DDR memory applications.
IR3831 offers programmability of start up time,
switching frequency and current limit while
operating in wide input and output voltage range.
The switching frequency is programmable from
250kHz to 1.5MHz for an optimum solution.
It also features important protection functions,
such as Pre-Bias startup, hiccup current limit and
Applications
thermal shutdown to give required system level
security in the event of fault conditions.
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Server Applications
Storage Applications
Embedded Telecom Systems
Distributed Point of Load Power Architectures
Netcom Applications
1.0V <Vin<16V
4.5V <Vcc<5.5V
Enable
Vin
Boot
VDDQ
Vcc
SW
Vo
PGood
PGood
Vp
Rt
OCSet
Fb
SS/ SD
Gnd
PGnd
Comp
Fig. 1. Typical application diagram
11/05/10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IRDC3831W | 功能描述:电源管理IC开发工具 User Guide IR3831W Eval Brd RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| IRDC3832W | 功能描述:电源管理IC开发工具 User Guide IR3832W Eval Brd RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| IRDC3837 | 功能描述:电源管理IC开发工具 User Guide IR3837 Eval Brd RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| IRDC3837 | 制造商:International Rectifier 功能描述:; MCU Supported Families:IR3837; Feature |
| IRDC3838 | 功能描述:电源管理IC开发工具 User Guide IR3838 Eval Brd RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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