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MIC24420YML-TR PDF预览

MIC24420YML-TR

更新时间: 2024-09-20 20:09:19
品牌 Logo 应用领域
美国微芯 - MICROCHIP 开关
页数 文件大小 规格书
34页 1250K
描述
SWITCHING REGULATOR

MIC24420YML-TR 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:MLF-24Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:11 weeks风险等级:5.24
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
最大输入电压:15 V最小输入电压:4.5 V
标称输入电压:12 VJESD-30 代码:S-XQCC-N24
JESD-609代码:e4长度:4 mm
功能数量:1端子数量:24
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:2.5 A最小输出电压:0.7 V
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装等效代码:LCC24,.16SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE座面最大高度:0.9 mm
最大供电电流 (Isup):7 mA表面贴装:YES
切换器配置:BUCK最大切换频率:1200 kHz
温度等级:AUTOMOTIVE端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:NO LEAD端子节距:0.65 mm
端子位置:QUAD宽度:4 mm
Base Number Matches:1

MIC24420YML-TR 数据手册

 浏览型号MIC24420YML-TR的Datasheet PDF文件第2页浏览型号MIC24420YML-TR的Datasheet PDF文件第3页浏览型号MIC24420YML-TR的Datasheet PDF文件第4页浏览型号MIC24420YML-TR的Datasheet PDF文件第5页浏览型号MIC24420YML-TR的Datasheet PDF文件第6页浏览型号MIC24420YML-TR的Datasheet PDF文件第7页 
MIC24420/MIC24421  
2.5A Dual Output PWM Synchronous  
Buck Regulator IC  
General Description  
Features  
The MIC24420/MIC24421 are synchronous PWM dual  
output step down converters with internal 2.5A high-side  
switches. The MIC24420/MIC24421 has an integrated low-  
side gate driver for synchronous step-down conversion by  
connecting an external N-channel MOSFET to achieve  
high efficiencies in low duty-cycle applications.  
4.5V to 15V input voltage range  
Adjustable output voltages down to 0.7V  
2.5A per channel  
180° out of phase operation  
Pre-biased output startup capability  
Low-side driver for synchronous operation  
2% output voltage accuracy (over temperature)  
500kHz (MIC24421) and 1MHz (MIC24420) switching  
frequency  
Output voltage sequencing  
The MIC24420 switching frequency is 1MHz and the  
MIC24421 switching frequency is 500kHz. A patented  
control scheme allows the use of a wide range of output  
capacitance from small ceramic capacitors to large  
electrolytic types with only one compensation component.  
A 2% output voltage tolerance over the temperature range  
allows the maximum level of system performance. The  
MIC24420/MIC24421 power good signal allows full control  
for sequencing the output voltages with minimum external  
components.  
Programmable max current limit  
Power good output  
Ramp Control™ provides soft-start  
Low-side current sensing allows very low duty-cycle  
Works with ceramic output capacitors  
24-pin 4mm x 4mm MLF® package  
Junction temperature range of –40°C to +125°C  
An adjustable current limit allows the use of smaller  
inductors in lower current applications.  
The MIC24420/MIC24421 is available in a ePad 24-pin  
4mm x 4mm MLF® package, and has an operating junction  
temperature range of –40°C to +125°C.  
Applications  
Multi-output power supplies with sequencing  
DSP, FPGA, CPU and ASIC power supplies  
Telecom and networking equipment, servers  
_________________________________________________________________________________________________________________________  
Typical Application  
MIC24420 Dual Output Buck Converter  
Ramp Control is a trademark of Micrel, Inc.  
MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-062012-C  
June 2012  

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