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| 型号： | IR3831WMTR1PBF |
| 厂商： | International Rectifier |
| 文件页数： | 1/32页 |
| 文件大小： | 0K |
| 描述： | IC REG SYNC BUCK 8A 15-QFN |
| 特色产品： | Gen2.1 SupIRBuck? Integrated Voltage Regulators |
| 标准包装： | 1 |
| 系列： | SupIRBuck™ |
| 应用： | 转换器，DDR |
| 输入电压： | 1.5 V ~ 16 V |
| 输出数： | 1 |
| 输出电压： | 0.6 V ~ 14.4 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 15-PowerVQFN |
| 供应商设备封装： | PQFN（5x6） |
| 包装： | 标准包装 |
| 其它名称： | IR3831WMTR1PBFDKR |
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PD-97660
IR3831WMPbF
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
PGood output
Hiccup Current Limit
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 IR3831W 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 IR3831W a space-
efficient solution, providing accurate power
delivery for DDR memory applications.
IR3831W is configured to generate termination
voltage (VTT) for DDR memory applications.
IR3831W 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
thermal shutdown to give required system level
security in the event of fault conditions.
Applications
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Server Applications
Storage Applications
Embedded Telecom Systems
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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
Rev 16.0
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3831WMTRPBF | 功能描述:直流/直流开关调节器 8A SupIRBuck Reg 250-1500kHz, 1.5-16V RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| IR3832WMPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGHLY EFFICIENT INTEGRATED SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS |
| IR3832WMPBF_1 | 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGHLY EFFICIENT INTEGRATED SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS |
| IR3832WMPBF_11 | 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGHLY EFFICIENT INTEGRATED SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS |
| IR3832WMTR1PBF | 功能描述:直流/直流开关调节器 4A SupIRBuck Reg 250-1500kHz, 1.5-16V RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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