参数资料
型号: IR3856MTR1PBF
厂商: International Rectifier
文件页数: 1/35页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 6A PQFN15
产品培训模块: SupIRBuck? Family and POL Design Tools Overview
标准包装: 1
系列: SupIRBuck™
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.7 V ~ 18.9 V
输入电压: 1.5 V ~ 21 V
PWM 型: 电压模式
频率 - 开关: 225kHz ~ 1.65MHz
电流 - 输出: 6A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 17-PowerVQFN
包装: 标准包装
供应商设备封装: 17-PQFN(5x6)
其它名称: IR3856MTR1PBFDKR
PD-97528
IR3856MPbF
Sup IR Buck
TM
HIGHLY EFFICIENT
INTEGRATED 6A, SYNCHRONOUS BUCK REGULATOR
Features
Description
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Greater than 95% Maximum Efficiency
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 1.5MHz
Programmable Over Current Protection
Over Voltage Protection
Dedicated input for output voltage monitoring
Programmable 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
External Synchronization
-40 o C to 125 o C operating junction temperature
Thermal Protection
4mm x 5mm Power QFN Package
Halogen Free, Lead Free and RoHS compliant
The IR3856 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
IR3856 a space-efficient solution, providing
accurate power delivery for low output voltage
applications.
IR3856 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
Fig. 1. Typical application diagram
Rev 4.0
1
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相关代理商/技术参数
参数描述
IR3856MTR1PBF-CUT TAPE 制造商:IR 功能描述:IR3856MPbF Series 21V 6 A Highly Efficient Integrated Synchronous Buck Regulator
IR3856MTRPBF 功能描述:直流/直流开关调节器 6A SupIRBuck Reg 250-1500kHz, 1.5-21V 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
IR3856WMPBF 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGHLY EFFICIENT INTEGRATED 6A, SYNCHRONOUS BUCK REGULATOR
IR3856WMTR1PBF 功能描述:直流/直流开关调节器 6A SupIRBuck Reg 750kHz, 1.5-16V in 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
IR3856WMTRPBF 功能描述:直流/直流开关调节器 6A SupIRBuck Reg 750kHz, 1.5-16V in 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