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MIC2142YM5 PDF预览

MIC2142YM5

更新时间: 2024-11-09 14:43:35
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
17页 413K
描述
SWITCHING REGULATOR, 365kHz SWITCHING FREQ-MAX, PDSO5

MIC2142YM5 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:LSSOP,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.2其他特性:ALSO HAS ADJUSTABLE OUTPUT VOLTAGES UPTO 22V; HAS PWM CONTROL TECHNIQUE
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:HYSTERETIC CURRENT MODE最大输入电压:16 V
最小输入电压:2.2 V标称输入电压:3.6 V
JESD-30 代码:R-PDSO-G5JESD-609代码:e3
长度:2.9 mm湿度敏感等级:1
功能数量:1端子数量:5
最高工作温度:85 °C最低工作温度:-40 °C
标称输出电压:5 V封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.45 mm
表面贴装:YES切换器配置:BOOST
最大切换频率:365 kHz温度等级:INDUSTRIAL
端子面层:MATTE TIN端子形式:GULL WING
端子节距:0.95 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:1.6 mm
Base Number Matches:1

MIC2142YM5 数据手册

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MIC2142  
Micropower Boost Converter  
General Description  
Features  
The MIC2142 is a micropower boost switching regulator  
housed in a SOT23-5 package. The input voltage range is  
between 2.2V to 16V, making the device suitable for one-  
cell Li Ion and 3 to 4-cell alkaline/NiCad/NiMH applica-  
tions. The output voltage of the MIC2142 can be adjusted  
up to 22V.  
2.2V to 16V input voltage  
Up to 22V output voltage  
330kHz switching frequency  
0.1µA shutdown current  
85µA quiescent current  
Implements low-power boost, SEPIC, or yback  
SOT23-5 package  
The MIC2142 is well suited for portable, space-sensitive  
applications. It features a low quiescent current of 85µA,  
and a typical shutdown current of 0.1µA. It’s 330kHz  
operation allows small surface mount external components  
to be used. The MIC2142 is capable of efficiencies over  
85% in a small board area.  
Applications  
LCD bias supply  
The MIC2142 can be congured to efficiently power a  
variety of loads. It is capable of providing a few mA output  
for supplying low power bias voltages; it is also capable of  
providing the 80mA needed to drive 4 white LEDs.  
White LED driver  
12V Flash memory supply  
Local 3V to 5V conversion  
The MIC2142 is available in a SOT23-5 package with an  
ambient operating temperature range from –40°C to  
+85°C.  
Data sheets and support documentation can be found on  
Micrel’s web site at www.micrel.com.  
___________________________________________________________________________________________________________  
Typical Application  
Efficiency  
2.8V to 4.7V  
VIN  
L1  
vs. Output Current  
D1  
33µH  
+5V @60mA  
0.90  
0.85  
0.80  
0.75  
0.70  
0.65  
0.60  
0.55  
0.50  
0.45  
0.40  
MIC2142  
VCC SW  
R2  
1
5
3
4
2
VIN = 4.2V  
VIN = 3.0V  
365k  
CIN  
10µF  
FB  
COUT  
22µF  
R1  
124k  
EN GND  
0
10 20 30 40 50 60 70  
OUTPUT CURRENT (mA)  
Typical Configuration  
Efficiency vs. Output Current  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-102507  
October 2007  

MIC2142YM5 替代型号

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