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MAX16171 PDF预览

MAX16171

更新时间: 2024-11-27 14:58:23
品牌 Logo 应用领域
亚德诺 - ADI 控制器二极管
页数 文件大小 规格书
14页 421K
描述
具有反向电流保护的理想二极管控制器

MAX16171 数据手册

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MAX16171  
Ideal Diode Controller with Reverse-Current  
Protection  
General Description  
Benefits and Features  
The MAX16171 is an ideal diode controller that protects  
the load against damaging automotive transients down to  
-42V and blocks reverse-current flow within 600ns. The  
MAX16171 operates over a wide supply voltage range of  
4V to 57V and withstands input transients up to 76V. In  
light load applications, the device regulates the voltage  
drop across the external MOSFET to 20mV, allowing  
smooth, ring-free operation. At heavy load, the charge  
pump drives the gate of the external MOSFET into an en-  
hanced mode of operation and significantly improves ef-  
ficiency and power dissipation compared to traditionally  
used Schottky diodes.  
● -42V to +76V Protection Range  
• Relaxes TVS Diodes Requirements  
● 4V to 57V Operating Range  
• Accommodates Wide Automotive Supply Rails  
● 9V Gate Drive Voltage with Respect to SRC  
• Reduces MOSFET Power Dissipation  
● Enable Input  
• Provides On-the-Fly System Control  
● 1µA Shutdown Current  
• Extends Battery Life  
● 600ns Reverse-Current Blocking Time with 10mV  
The MAX16171 consumes only 1μA of current during  
Overdrive  
shutdown mode (V  
= GND) to extend battery life while  
EN  
• Extends System Operation Time During Power  
Interruption  
providing standby power to the load through the body  
diode of the external MOSFET. An internal 2.5MΩ resistor  
between GATE and SRC keeps the external MOSFET off  
when the input voltage drops below ground.  
● -40°C to +125°C Automotive Temperature Range  
● 2mm x 3mm, Side-Wettable TDFN Package  
The MAX16171 is available in a tiny 2mm x 3mm x  
0.75mm, 8-pin TDFN package with side-wettable flanks  
and operates over the -40°C to +125°C automotive tem-  
perature range.  
Ordering Information appears at end of data sheet.  
Typical Application Circuit  
nFET  
Applications  
V
V
OUT  
IN  
● Automotive Power Systems  
● Network Telecom Power Systems  
● Redundant Power Supplies  
● RAID Systems  
100µF  
SRC  
GATE  
IN  
● Servers  
MAX16171  
0.1µF  
OUT  
EN  
GND  
19-100854; Rev 2; 5/21  
 
 
 

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