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MIC2297-15YML PDF预览

MIC2297-15YML

更新时间: 2024-11-14 20:32:31
品牌 Logo 应用领域
美国微芯 - MICROCHIP 开关光电二极管输出元件
页数 文件大小 规格书
11页 277K
描述
3A SWITCHING REGULATOR, 675kHz SWITCHING FREQ-MAX, PDSO10

MIC2297-15YML 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:2.50 X 2.50 MM, LEAD FREE, MLF-10Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.21其他特性:ALSO HAS OUTPUT VOLTAGE UP TO 40V
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:10 V
最小输入电压:2.5 V标称输入电压:3.6 V
JESD-30 代码:S-PDSO-N10JESD-609代码:e3
长度:2.5 mm湿度敏感等级:2
功能数量:1端子数量:10
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:3 A封装主体材料:PLASTIC/EPOXY
封装代码:HVSON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):260
认证状态:Not Qualified座面最大高度:0.9 mm
表面贴装:YES切换器配置:BOOST
最大切换频率:675 kHz温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)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:40宽度:2.5 mm
Base Number Matches:1

MIC2297-15YML 数据手册

 浏览型号MIC2297-15YML的Datasheet PDF文件第2页浏览型号MIC2297-15YML的Datasheet PDF文件第3页浏览型号MIC2297-15YML的Datasheet PDF文件第4页浏览型号MIC2297-15YML的Datasheet PDF文件第5页浏览型号MIC2297-15YML的Datasheet PDF文件第6页浏览型号MIC2297-15YML的Datasheet PDF文件第7页 
MIC2297  
40V PWM Boost Regulator  
White LED Driver  
General Description  
Features  
The MIC2297 is a 600KHz PWM boost-switching regulator  
that is optimized for driving 6-10 series white LEDs. With  
its internal 40V switch and a guaranteed switch current of  
1.2A, the MIC2297 easily drives a string of 10 white LEDs  
in series at 20mA, ensuring a high level of brightness and  
eliminating several ballast resistors.  
2.5V to 10V input voltage range  
Output voltage up to 40V  
1.2A switch current  
600KHz PWM operation  
Trimmed 200mV feedback voltage  
Output over voltage protection (fixed or adjustable)  
PWM Brightness Control  
DAC Brightness Control  
<1% line regulation  
The MIC2297 implements constant frequency 600KHz  
PWM control. The high frequency PWM operation saves  
board space by reducing external component sizes. The  
added benefit of the constant frequency PWM operation is  
much lower noise and input ripple injected back to the  
battery source than with variable frequency topologies.  
1µA shutdown current  
Over temperature protection  
UVLO  
To optimize efficiency, the feedback voltage is set to  
200mV. This reduced voltage reduces the power  
dissipation in the current set resistor, and allows the lowest  
total output voltage, hence minimal current draw from the  
battery.  
10-pin 2.5mm x 2.5mm MLF® package  
–40oC to +125oC junction temperature range  
Applications  
The MIC2297 is available with output over-voltage  
protection that protects the IC and external components in  
case of open LED conditions.  
PDAs  
GPS systems  
Smart phones  
Mini PCs  
Digital cameras  
IP phones  
The MIC2297 is available in low profile small size 10-pin  
2.5mm x 2.5mm MLF® package. The MIC2297 has a  
junction temperature range of –40°C to +125°C.  
LED flashlights  
___________________________________________________________________________________________________________  
Typical Applications  
6.8µH-22µH  
6.8µH-22µH  
SW  
SW  
VIN  
EN  
VIN  
EN  
0.47µF  
/50V  
0.47µF  
/50V  
1µF  
1µF  
OVP  
FB  
PWM  
1µF  
OVP  
FB  
1-Cell  
Li Ion  
1-Cell  
Li Ion  
MIC2297  
-42BML  
MIC2297  
-42BML  
BRT  
REF  
BRT  
3V to 4.2V  
3V to 4.2V  
REF  
1µF  
COMP  
AGND PGND COMP  
AGND PGND  
10  
10  
0.1µF  
0.1µF  
10 Series LED Driver with Output OVP  
10 Series LED Driver with PWM Brightness Control  
MLF and MicroLeadFrame is a trademark 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  
M9999-032708  
March 2008  

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