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MIC2128YML-T5

更新时间： 2024-11-06 21:00:35
品牌 Logo 应用领域
美国微芯 - MICROCHIP 开关
页数 文件大小 规格书
32页 793K
描述
75V, SYNCHRONOUS BUCK CONTROLLER

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中文翻译

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MIC2128YML-T5 技术参数

是否无铅： 不含铅生命周期：Active
Reach Compliance Code：compliantFactory Lead Time：6 weeks
风险等级：1.55模拟集成电路 - 其他类型：SWITCHING CONTROLLER
Base Number Matches：1

MIC2128YML-T5 数据手册

 浏览型号MIC2128YML-T5的Datasheet PDF文件第2页浏览型号MIC2128YML-T5的Datasheet PDF文件第3页浏览型号MIC2128YML-T5的Datasheet PDF文件第4页浏览型号MIC2128YML-T5的Datasheet PDF文件第5页浏览型号MIC2128YML-T5的Datasheet PDF文件第6页浏览型号MIC2128YML-T5的Datasheet PDF文件第7页 
MIC2128  
75V, Synchronous Buck Controller Featuring Adaptive  
On-Time Control with External Soft Start  
Features  
General Description  
• Hyper Speed Control® Architecture Enables:  
The MIC2128 is a constant-frequency synchronous  
buck controller featuring a unique adaptive on-time  
control architecture with external soft start. The  
MIC2128 operates over an input voltage range from  
4.5V to 75V.The output voltage is adjustable down to  
0.6V with a guaranteed accuracy of ±1%. The device  
operates with programmable switching frequency from  
270 kHz to 800 kHz.  
- High Input to Output Voltage Conversion  
Ratio Capability  
- Any Capacitor™ Stable  
- Ultra-Fast Load Transient Response  
• Wide 4.5V to 75V Input Voltage Range  
• Adjustable Output Voltage from 0.6V to 30V  
The MIC2128 features an external soft-start pin (SS)  
which allows the user to adjust output soft-start time to  
reduce inrush current from mains during start-up. The  
MIC2128 features an auxiliary bootstrap LDO which  
improves the system efficiency by supplying the  
MIC2128 internal circuit bias power and gate drivers  
from output of the converter. A logic level enable (EN)  
signal can be used to enable or disable the  
controller.The MIC2128 can start-up monotonically into  
a prebiased output. The MIC2128 features an open  
drain power good signal (PG) which signals when the  
output is in regulation and can be used for simple  
power supply sequencing purpose.  
• 270 kHz to 800 kHz Programmable Switching  
Frequency  
• Built-in 5V Regulator for Single-Supply Operation  
• Auxiliary Bootstrap LDO for Improving System  
Efficiency  
• Internal Bootstrap Diode  
• Adjustable Soft-Start Time  
• Enable Input and Power Good Output  
• Programmable Current Limit  
• Hiccup Mode Short-Circuit Protection  
• Internal Compensation and Thermal Shutdown  
• Supports Safe Start-Up into a Prebiased Output  
The MIC2128 offers a full suite of protection features to  
ensure protection of the IC during Fault conditions.  
These include undervoltage lockout to ensure proper  
operation under power-sag conditions, “hiccup” mode  
short-circuit protection and thermal shutdown.  
Applications  
• Networking/Telecom Equipment  
• Base Station, Servers  
The MIC2128 is available in a 16-pin 3 mm x 3 mm  
QFN package, with an operating junction temperature  
range from -40°C to +125°C.  
• Distributed Power Systems  
• Industrial Power Supplies  
Package Types  
MIC2128  
3 x 3 QFN*  
(Top View)  
13  
16 15 14  
PG  
ILIM  
1
SS  
12  
11  
2
3
4
FREQ  
EN  
EP  
SW  
10  
9
BST  
EXTVDD  
5
6
7
8
* Includes Exposed Thermal Pad (EP); see Table 3-1.  
2017 Microchip Technology Inc.  
DS20005620B-page 1  
1234567...32

中文翻译

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MIC2128YML-T5 替代型号

型号 品牌 替代类型 描述 数据表
MIC2128YML-TR MICROCHIP

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