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参数资料
| 型号： | IRDC3840W |
| 厂商： | International Rectifier |
| 文件页数： | 1/34页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR IR3840W 12A CONV |
| 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： | 1.8V |
| 电流 - 输出： | 12A |
| 输入电压： | 12V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 600kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | IR3840W |
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PD-97657
IR3840WMPbF
Sup IR Buck
TM
HIGHLY EFFICIENT
INTEGRATED 12A SYNCHRONOUS BUCK REGULATOR
Features
Description
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Greater than 96% Maximum Efficiency
Wide Input Voltage Range 1.5V to 16V
Wide Output Voltage Range 0.7V to 0.9*Vin
Continuous 12A Load Capability
Integrated Bootstrap-diode
High Bandwidth E/A for excellent transient
performance
Programmable Switching Frequency up to 1.5MHz
Programmable Over Current Protection
PGood output
Hiccup Current Limit
Precision Reference Voltage (0.7V, +/-1%)
Programmable Soft-Start
Enable Input with Voltage Monitoring Capability
Enhanced Pre-Bias Start-up
Seq input for Tracking applications
-40 o C to 125 o C operating junction temperature
Thermal Protection
Pin compatible option for 4A, 8A, and 14A devices
5mm x 6mm Power QFN package, 0.9 mm height
Lead-free, halogen-free and RoHS compliant
The IR3840W SupIRBuck TM is an easy-to-use,
fully integrated and highly efficient DC/DC
synchronous Buck regulator. The MOSFETs co-
packaged with the on-chip PWM controller make
IR3840W a space-efficient solution, providing
accurate power delivery for low output voltage
applications.
IR3840W is a versatile regulator which 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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Distributed Point of Load Power Architectures
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Server Applications
Storage Applications
Embedded Telecom Systems
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Netcom Applications
Computing Peripheral Voltage Regulators
General DC-DC Converters
1.5V <Vin<16V
4.5V <Vcc<5.5V
Seq
Vcc
Enable
Vin
Boot
SW
Vo
PGood
PGood
OCSet
Fb
Rt
SS/ SD
Gnd
PGnd
Comp
Fig. 1. Typical application diagram
Rev 12.0
1
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相关代理商/技术参数 |
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| IRDC3841 | 功能描述:电源管理IC开发工具 IR3841 SYNC CONV 600kHz 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 |
| IRDC3841W | 功能描述:电源管理IC开发工具 User Guide IR3841W 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 |
| IRDC3842 | 功能描述:电源管理IC开发工具 IR3842 SYNC CONV 600kHz 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 |
| IRDC3842A | 功能描述:电源管理IC开发工具 IR3842A SYNC CONV 300kHz 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 |
| IRDC3842W | 功能描述:电源管理IC开发工具 User Guide IR3842W 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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