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MAX17563

更新时间: 2023-12-20 18:44:18
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
16页 709K
描述
高精度可调过压和过流保护器

MAX17563 数据手册

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EVALUATION KIT AVAILABLE  
MAX17561/MAX17562/  
MAX17563  
Adjustable Overvoltage and Overcurrent  
Protectors with High Accuracy  
Benefits and Features  
General Description  
The MAX17561/MAX17562/MAX17563 adjustable overvoltage  
and overcurrent-protection devices are ideal to protect systems  
against positive and negative input voltage faults up to Q40V  
Industrial Power Protection Increases Robustness  
Wide Input Supply Range: +4.5V to +36V  
Negative Input Tolerance to -36V  
Low R  
100mΩ (typ)  
and feature low 100mΩ (typ) R FETs.  
ON  
ON  
Reverse Current Flow Control Input  
Thermal Overload Protection  
Extended -40°C to +125°C Temperature Range  
The adjustable overvoltage protection range is between  
6V and 36V, while the adjustable undervoltage protection  
range is between 4.5V and 24V. The overvoltage-lockout  
(OVLO) and undervoltage-lockout (UVLO) thresholds are  
set using optional external resistors. The factory-preset  
internal OVLO threshold is 33V (typ) and the preset internal  
UVLO threshold is 19.2V (typ).  
Flexible Design Options Eases Designs  
Adjustable OVLO and UVLO Thresholds  
Programmable Forward-Current Limit: 0.7A to 4.2A  
with 15ꢀ Accuracy  
Dual Enable Inputs: EN and High Voltage HVEN  
The ICs also feature programmable current-limit protection  
up to 4.2A. Once current reaches the threshold, the  
MAX17561 turns off after the 20.7ms (typ) blanking time  
and stays off during the retry period. The MAX17562  
latches off after the blanking time, and the MAX17563  
limits the current continuously. In addition, these devices  
feature reverse current and thermal-shutdown protection.  
Saves Space  
14-Pin, 5mm x 6.5mm, TSSOP Package  
Applications  
Industrial Equipment  
Consumer Electronics  
Marine Equipment  
The ICs are available in a small 14-pin TSSOP (5mm x  
6.5mm) package and are specified over the extended  
-40NC to +125NC temperature range.  
Battery-Powered Applications  
Ordering Information appears at end of data sheet.  
Typical Operating Circuit  
V
IN  
IN  
IN  
OUT  
POWER  
C
IN  
C
OUT  
OUT  
OUT  
V
PULLUP  
SYSTEM  
MAX17561  
MAX17562  
MAX17563  
R3  
R1  
SYSTEM  
POWER  
SUPPLY  
UVLO  
OVLO  
SETI  
FLAG  
EN  
RIEN  
HVEN  
R4  
R2  
GND  
NOTE: R1, R2, R3, AND R4 ARE ONLY REQUIRED FOR ADJUSTABLE  
OVLO/UVLO; OTHERWISE, CONNECT UVLO/OVLO TO GND.  
19-100078; Rev 2; 9/17  

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