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MAX17620ATA+T

更新时间： 2024-09-24 14:43:23
品牌 Logo 应用领域
美信 - MAXIM 开关光电二极管
页数 文件大小 规格书
15页 823K
描述
Switching Regulator, Current-mode, 1.8A, 4160kHz Switching Freq-Max, CMOS, PDSO8, 2 X 2 MM, ROHS COMPLIANT, TDFN-8

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MAX17620ATA+T 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：HVSON, SOLCC8,.08,20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：6 weeks风险等级：1.73
其他特性：ALSO OPERATES IN PFM CONTROL TECHNIQUE, ALSO OPERATES IN ADJUSTABLE MODE FROM 1.5 TO 5.5V模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：5.5 V最小输入电压：2.7 V
标称输入电压：3.6 VJESD-30 代码：S-PDSO-N8
长度：2 mm功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：1.8 A
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装等效代码：SOLCC8,.08,20封装形状：SQUARE
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：0.8 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：BUCK最大切换频率：4160 kHz
技术：CMOS温度等级：AUTOMOTIVE
端子形式：NO LEAD端子节距：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：2 mmBase Number Matches：1

MAX17620ATA+T 数据手册

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MAX17620  
4MHz, Miniature 600mA, Synchronous Step-Down  
DC-DC Converter with Integrated MOSFETs  
General Description  
Benefits and Features  
● Minimizes External Components, Reducing Total  
The MAX17620 is a high-frequency, high-efficiency  
synchronous step-down DC-DC converter with integrated  
MOSFETs that operates over a 2.7V to 5.5V input voltage  
range. The device supports up to 600mA load current and  
Cost  
• Synchronous Operation for High Efficiency and  
Reduced Cost  
• Internal Compensation for Stable Operation at Any  
Output Voltage  
1.5V to 100% V output voltage. High-frequency operation  
enables the use of small, low-cost inductors and capacitors.  
IN  
• All-Ceramic Capacitor Solution  
• 4MHz Operation  
The device features selectable PWM/skip mode of  
operation at light loads and operates at a 4MHz fixed-  
frequency in PWM mode. Skip mode improves system  
efficiency at light loads, while PWM mode maintains a  
constant switching frequency over the entire load.  
In skip mode, the device draws only 40µA of quiescent  
current from the supply input. In shutdown mode, the current  
consumption is reduced to 0.1µA.  
The device also features a soft-start feature to reduce  
the inrush current during startup, and also incorporates an  
enable (EN) pin to turn on/off the device. An open-drain  
PGOOD pin provides power-good signal to the system  
upon achieving successful regulation of the output voltage.  
• Only 5 External Components Required  
2
• Total Solution Size is 12mm (Sum of the  
Components Area)  
● Reduces Number of DC-DC Regulators to Stock  
• Wide 2.7V to 5.5V Input Voltage Range  
• Adjustable 1.5V to 100% V Output Voltage Range  
IN  
• Delivers Up to 600mA Load Current  
• 100% Duty-Cycle Operation  
• +1%/-0.75% Reference Voltage Accuracy  
• Available in a 2mm x 2mm TDFN Package  
● Reduces Power Dissipation  
• Peak Efficiency 91%  
• Skip Mode for High Light-Load Efficiency  
• Shutdown Current = 0.1µA  
● Operates Reliably  
The MAX17620 is available in an 8-pin, 2mm x 2mm  
TDFN package and operates over the -40°C to +125°C  
temperature range.  
Applications  
• Peak Current-Limit Protection  
• Soft-Start Reduces Inrush Current During Startup  
• Built-In Output-Voltage Monitoring  
(Open-Drain PGOOD Pin)  
● Point-of-Load Power Supply  
● Standard 5V Rail Supplies  
● Battery-Powered Instruments  
● Distributed Power Systems  
• -40°C to +125°C Operation  
Ordering Information appears at end of data sheet.  
Typical Application Circuit—1.8V, 600mA Step-Down Regulator  
L
1µH  
2.7V TO 5.5V  
VOUT  
1.8V/600mA  
IN  
LX  
CIN  
2.2µF  
MAX17620  
COUT  
10µF  
R1  
24kΩ  
GND  
VOUT  
FB  
PGOOD  
EN  
R2  
19.1kΩ  
MODE  
CIN: 2.2µF/10V/0603/X7R,GRM188R71A225KE15D, MURATA  
L1: 1μH, 60mΩ, MAKK2016H1ROM, TAIYO-YUDEN  
COUT: 10μF/6.3V/0805/X7R, GRM21BR70J106KE76K, MURATA  
19-7543; Rev 3; 7/16  
1234567...15

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