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参数资料
| 型号： | IRDC3853 |
| 厂商： | International Rectifier |
| 文件页数： | 1/35页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR IR3853 |
| 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： | 0 ~ 4A |
| 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： | IR3853 |
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PD-97516
IR3853MPbF
Sup IR Buck
TM
HIGHLY EFFICIENT
INTEGRATED 4A, 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 4A 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 IR3853 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
IR3853 a space-efficient solution, providing
accurate power delivery for low output voltage
applications.
IR3853 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,
over-voltage, 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 |
|---|---|
| IRDC3853 - SUPIRBUCK | 制造商:International Rectifier 功能描述:INTERNATIONAL RECIFIER - GEN 2.1 SUPIRBUCK FAMILY - Bulk |
| IRDC3853 | 制造商:International Rectifier 功能描述:; MCU Supported Families:IR3853; Feature |
| IRDC3856 | 功能描述:BOARD EVAL FOR IR3856 RoHS:否 类别:编程器，开发系统 >> 评估板 - DC/DC 与 AC/DC（离线）SMPS 系列:SupIRBuck™ 标准包装:1 系列:- 主要目的:DC/DC，步降 输出及类型:1，非隔离 功率 - 输出:- 输出电压:3.3V 电流 - 输出:3A 输入电压:4.5 V ~ 28 V 稳压器拓扑结构:降压 频率 - 开关:250kHz 板类型:完全填充 已供物品:板 已用 IC / 零件:L7981 其它名称:497-12113STEVAL-ISA094V1-ND |
| IRDC3856 - SUPIRBUCK | 制造商:International Rectifier 功能描述:INTERNATIONAL RECIFIER - GEN 2.1 SUPIRBUCK FAMILY - Bulk |
| IRDC3856 | 制造商:International Rectifier 功能描述:; MCU Supported Families:IR3856; Feature |
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