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MAX77597

更新时间： 2024-10-03 14:58:27
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
15页 1140K
描述
IQ为1.1μA的36V、300mA、降压转换器

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中文翻译

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MAX77597 数据手册

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EVALUATION KIT AVAILABLE  
Click here to ask about the production status of specific part numbers.  
MAX77597  
36V, 300mA, Buck Converter with 1.1µA I  
Q
General Description  
Benefits and Features  
● Flexible Power for Systems That Require a Wide  
The MAX77597 is a small, synchronous buck converter  
with integrated switches. The device is designed to  
deliver up to 300mA with input voltages from 3.5V to  
36V, while using only 1.1µA quiescent current at no load  
(fixed-output version). Voltage quality can be monitored  
by observing the RESET signal. The device can operate  
near dropout by running at 98% duty cycle, making it ideal  
for battery-powered applications.  
Input Voltage Range  
• V Range: 3.5V to 36V  
IN  
• Up to 300mA Output Current  
• Fixed 3.3V, Output Voltage  
• 98% (Max) Duty Cycle Operation with Low  
Dropout  
• Operates from 5V, 12V, or 20V USB Type-C Input  
Power  
The device offers fixed 3.3V. Frequency is fixed at  
1.7MHz, which allows for small external components and  
reduced output ripple. The device offers both forced-PWM  
and skip modes of operation, with ultra-low quiescent cur-  
rent of 1.1µA in skip mode.  
• Operates from 2S, 3S, or 4S Li-Ion Battery  
● Minimizes Power Consumption and Extends Battery  
Life  
• 1.1µA Quiescent Current (3.3V Fixed Output  
Voltage)  
• 86% Peak Efficiency at 12V , 3.3 V  
The MAX77597 is available in a small (2mm x 2.5mm)  
10-pin TDFN package and operates across the -40°C to  
+85°C temperature range.  
IN  
OUT  
● Minimizes Solution Size  
• 1.7MHz Operating Frequency  
Applications  
● Portable Devices Powered from 2s, 3s,  
• Small 2.0mm x 2.5mm x 0.75mm 10-Pin TDFN  
Package  
or 4s Li+ Batteries  
● USB Type-C Devices  
● Point-of-Load Applications  
● Robust Solution  
• Short-Circuit, Thermal Protections  
• 6.67ms Internal Soft-Start Minimizes Inrush Current  
• Current-Mode Control Architecture  
• Up to 42V Input Voltage Tolerance  
Ordering Information appears at end of data sheet.  
19-100785; Rev 1; 4/20  
1234567...15

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