参数资料
型号: IRDC3842A
厂商: International Rectifier
文件页数: 1/34页
文件大小: 0K
描述: BOARD EVAL SUPIRBUCK IR3842A
产品培训模块: SupIRBuck? Family and POL Design Tools Overview
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: 6A
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:
已用 IC / 零件: IR3842A
PD-97510
IR3842AMPbF
Sup IR Buck
TM
HIGHLY EFFICIENT
INTEGRATED 6A SYNCHRONOUS BUCK REGULATOR
Features
Description
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Wide Input Voltage Range 1.5V to 21V
Wide Output Voltage Range 0.7V to 0.9*Vin
Continuous 6A Load Capability
Integrated Bootstrap-diode
High Bandwidth E/A for excellent transient
performance
Programmable Switching Frequency up to 1.2MHz
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
Multiple current ratings in pin compatible footprint
5mm x 6mm Power QFN Package, 0.9 mm height
Lead-free, halogen-free and RoHS compliant
The IR3842A 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
IR3842A a space-efficient solution, providing
accurate power delivery for low output voltage
applications.
IR3842A 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 1.2MHz 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
Distributed Point of Load Power Architectures
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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 13.0
1
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相关代理商/技术参数
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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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IRDC3843W 功能描述:电源管理IC开发工具 User Guide IR3843W 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
IRDC3853 功能描述:电源管理IC开发工具 User Guide IR3853 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