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MAX14723ATP+

更新时间： 2024-10-03 21:06:19
品牌 Logo 应用领域
美信 - MAXIM 驱动接口集成电路
页数 文件大小 规格书
20页 727K
描述
IC CURRENT LIMIT ADJ 20TQFN

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中文翻译

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MAX14723ATP+ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：,
Reach Compliance Code：compliantFactory Lead Time：16 weeks
风险等级：2.31接口集成电路类型：BUFFER OR INVERTER BASED PERIPHERAL DRIVER
峰值回流温度（摄氏度）：NOT SPECIFIED处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

MAX14723ATP+ 数据手册

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MAX14721/  
MAX14722/  
MAX14723  
High-Accuracy, Adjustable Power Limiter  
General Description  
Benefits and Features  
The MAX14721–MAX14723 adjustable overvoltage,  
undervoltage, and overcurrent protection devices guard  
systems against overcurrent faults in addition to positive  
overvoltage and reverse-voltage faults. When used with  
an optional external p-channel MOSFET, the devices also  
protect downstream circuitry from voltage faults up to  
+60V, -60V (for -60V external pFET rating). The devices  
feature a low, 76mΩ, on-resistance integrated FET.  
During startup, the devices are designed to charge large  
capacitances on the output in a continuous mode for  
applications where large reservoir capacitors are used  
on the inputs to downstream devices. Additionally, the  
MAX14721–MAX14723 feature a dual-stage, current-limit  
mode in which the current is continuously limited to 1x,  
1.5x, and 2x the programmed limit, respectively, for a  
short time after startup. This enables faster charging of  
large loads during startup.  
● Robust, High-Power Protection Reduces System  
Downtime  
• Wide Input Supply Range: +5.5V to +60V  
• Programmable Input Supply Overvoltage Setting  
Up to 40V  
• Thermal Foldback Current-Limit Protection  
• Negative Input Tolerance to -60V (for -60V External  
pFET Rating)  
• Low 76mΩ (typ) R  
ON  
• Reverse Current-Blocking Protection with External  
pFET  
● Enables Safer Startup By Preventing Overheating  
of FETs  
• Dual-Stage Current Limiting  
• 1.0x Startup Current (MAX14721)  
• 1.5x Startup Current (MAX14722)  
• 2.0x Startup Current (MAX14723)  
The MAX14721–MAX14723 also feature reverse-current  
and overtemperature protection. The devices are available  
in a 20-pin (5mm x 5mm) TQFN package and operate  
over a -40°C to 125°C temperature range.  
Applications  
Industrial Power Systems  
Control and Automation  
Motion System Drives  
Human Machine Interfaces  
● Flexible Design Enables Reuse and Less  
Requalification  
• Adjustable OVLO and UVLO Thresholds  
• Programmable Forward Current Limit From 0.2A  
to 2A with ±15% Accuracy Over Full Temperature  
Range  
• Normal and High-Voltage Enable Inputs  
(EN and HVEN)  
• Protected External pFET Gate Drive  
High-Power Applications  
● Saves Board Space and Reduces External BOM  
Count  
• 20-Pin, 5mm x 5mm TQFN Package  
• Integrated nFET  
Ordering Information appears at end of data sheet.  
Typical Application Circuit  
VIN  
*R1, R2, R3, AND R4 ARE ONLY  
REQURED FOR ADJUSTABLE UVLO/  
OVLO FUNCTIONALITY. OTHERWISE,  
CIN  
C
IN_C  
TIE THE PIN TO GND TO USE THE  
GP  
IN  
IN IN  
INTERNAL, PREPROGRAMMED  
VIN  
THRESHOLD.  
R1*  
R3*  
OUT  
OUT  
OUT  
SYSTEM  
UVLO  
OVLO  
POWER  
CONTROLLER  
PROTECTED  
POWER  
220kΩ  
R2*  
R4*  
SYSTEM  
INPUT  
ADC  
MAX14721–  
MAX14723  
COUT  
VIN  
HVEN  
SETI  
RIPEN  
FLAG  
EN  
GND  
ENB  
FAULT  
EN  
HVEN  
x
CLTS2  
10kΩ  
CLTS1  
GND  
19-7370; Rev 3; 11/17  
1234567...20

中文翻译

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MAX14723ATP+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX14723ATP+T MAXIM

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 High-Accuracy, Adjustable Power Limiter

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