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MIC24045-DIYFL-TR PDF预览

MIC24045-DIYFL-TR

更新时间: 2024-11-08 15:42:51
品牌 Logo 应用领域
美国微芯 - MICROCHIP 开关
页数 文件大小 规格书
46页 1014K
描述
IC REG BUCK 1V 5A SYNC 20FQFN

MIC24045-DIYFL-TR 技术参数

是否无铅: 不含铅生命周期:Active
包装说明:HVQCCN, LCC20,.12SQ,20Reach Compliance Code:compliant
风险等级:1.58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:19 V最小输入电压:4.5 V
标称输入电压:12 VJESD-30 代码:S-XQCC-N20
长度:3 mm功能数量:1
端子数量:20最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:5 A
最大输出电压:1.01 V最小输出电压:0.99 V
标称输出电压:1 V封装主体材料:UNSPECIFIED
封装代码:HVQCCN封装等效代码:LCC20,.12SQ,20
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
筛选级别:TS-16949座面最大高度:0.9 mm
表面贴装:YES切换器配置:BUCK
最大切换频率:780 kHz温度等级:AUTOMOTIVE
端子形式:NO LEAD端子节距:0.2 mm
端子位置:QUAD宽度:3 mm
Base Number Matches:1

MIC24045-DIYFL-TR 数据手册

 浏览型号MIC24045-DIYFL-TR的Datasheet PDF文件第2页浏览型号MIC24045-DIYFL-TR的Datasheet PDF文件第3页浏览型号MIC24045-DIYFL-TR的Datasheet PDF文件第4页浏览型号MIC24045-DIYFL-TR的Datasheet PDF文件第5页浏览型号MIC24045-DIYFL-TR的Datasheet PDF文件第6页浏览型号MIC24045-DIYFL-TR的Datasheet PDF文件第7页 
MIC24045  
I2C Programmable, 4.5V-19V Input,  
5A Step-Down Converter  
Features  
General Description  
• 4.5V to 19V Input Voltage Range  
• 5A (maximum) Output Current  
• I2C Programmable Output Voltage:  
The MIC24045 is an I2C-programmable, high-effi-  
ciency, wide input range, 5A synchronous step-down  
regulator. The MIC24045 is perfectly suited for multiple  
voltage rail application environments, typically found in  
computing and telecommunication systems. In the  
MIC24045 various parameters can be programmed via  
I2C, such as output voltage, switching frequency,  
soft-start slope, margining, current limit values and  
start-up delays. The wide switching frequency  
adjustment range, valley current-mode control tech-  
nique, high-performance error amplifier and external  
compensation allow for the best trade-offs between  
high efficiency and the smallest possible solution size.  
- 0.64V to 5.25V in 5 mV, 10 mV, 30 mV and  
50 mV steps  
• High Efficiency (>95%)  
• I2C Programmability of:  
- Soft-Start: 0.16, 0.38, 0.76 and 1.5V/ms ramp  
rates  
- Switching Frequency: 310 kHz, 400 kHz,  
500 kHz, 570 kHz, 660 kHz, 780 kHz, 1 MHz,  
1.2 MHz  
The MIC24045 supports extensive diagnostics and  
status information through I2C.  
- Current Limits for 2A, 3A, 4A and 5A loads  
- Output Voltage Margining: -5%, +5%  
- Start-up delays: 0 ms to 10 ms  
The MIC24045 pinout is compatible with the MIC24046  
pin-strapping programmable regulator pinout, such that  
I2C-based implementations can be easily converted  
into pin-programmable ones.  
• ±1% Output Voltage Accuracy Over Temperature  
(0.64V to 1.95V)  
• Supports Safe Start-Up with Pre-Biased Output  
• Extensive Diagnostics through I2C Interface  
The MIC24045 is available in a thermally-efficient,  
space-saving 20-pin 3 mm x 3 mm FQFN package,  
with an operating junction temperature range from  
-40°C to +125°C.  
Applications  
• Servers, Data Storage, Routers and Base  
Stations  
• FPGAs, DSP and Low-Voltage ASIC Power  
Typical Application  
VDDA  
VIN  
4.5V to 19V  
VINLDO  
VDDA  
AGND  
BST  
VIN  
VOUT  
0.64V to 5.25V  
LX  
OUTSNS  
PGND  
VDDP  
COMP  
ADR1  
ADR0  
MIC24045  
VDDA  
SDA  
SCL  
I2C  
Address  
Selection  
VDDA  
PGOOD  
PG  
EN  
ENABLE  
2016 Microchip Technology Inc.  
DS20005568A-page 1  

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