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MIC2288BML PDF预览

MIC2288BML

更新时间: 2024-11-23 22:54:51
品牌 Logo 应用领域
麦瑞 - MICREL 转换器稳压器开关式稳压器或控制器电源电路开关式控制器输出元件升压转换器
页数 文件大小 规格书
12页 118K
描述
1A 1.2 MHZ PWM BOOST CONVERTER IN THIN SOT 23 AND 2 X MLF

MIC2288BML 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:DFN
包装说明:VSON, SOLCC8,.08,20针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.21
Is Samacsys:N其他特性:ALSO HAS OUTPUT VOLTAGE ADJUSTABLE TO 34V
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-XDSO-N8JESD-609代码:e0
长度:2 mm湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:2 A封装主体材料:UNSPECIFIED
封装代码:VSON封装等效代码:SOLCC8,.08,20
封装形状:SQUARE封装形式:SMALL OUTLINE, VERY THIN PROFILE
峰值回流温度(摄氏度):240认证状态:Not Qualified
座面最大高度:0.9754 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BOOST
最大切换频率:1350 kHz温度等级:AUTOMOTIVE
端子面层:Tin/Lead (Sn80Pb20)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:30宽度:2 mm
Base Number Matches:1

MIC2288BML 数据手册

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MIC2288  
1A 1.2MHz PWM Boost Converter in  
Thin SOT-23 and 2×2 MLF™  
General Description  
Features  
The MIC2288 is a 1.2MHz PWM, DC/DC boost switching  
regulator available in low-profile Thin SOT-23 and  
2mm × 2mm MLF™ package options. High power density is  
achieved with the MIC2288’s internal 34V/1A switch, allow-  
ing it to power large loads in a tiny footprint.  
2.5V to 10V input voltage range  
Output voltage adjustable to 34V  
Over 1A switch current  
1.2MHz PWM operation  
Stable with ceramic capacitors  
High-efficiency  
<1% line and load regulation  
Low input and output ripple  
<1µA shutdown current  
The MIC2288 implements a constant frequency, 1.2MHz  
PWM, current mode control scheme with internal compensa-  
tion that offers excellent transient response and output regu-  
lation performance. The high frequency operation saves  
board space by allowing small, low-profile, external compo-  
nents. The fixed frequency PWM topology also reduces  
spuriousswitchingnoiseandrippletotheinputpowersource.  
UVLO  
Output overvoltage protection (MIC2288BML)  
Over temperature shutdown  
Thin SOT-23-5 package option  
2mm × 2mm leadless MLF-8 package option  
• –40°C to +125°C junction temperature range  
The MIC2288 is available in a low-profile Thin SOT-23-5  
package and a 2mm × 2mm MLF™-8 leadless package. The  
2mm × 2mm MLF™-8 package option has an output over-  
voltage protection feature.  
Applications  
Organic EL power supply  
TFT-LCD bias supply  
12V supply for DSL applications  
Multi-output DC/DC converters  
Positive and negative output regulators  
SEPIC converters  
The MIC2288 has a junction temperature range of –40°C to  
+125°C.  
All support documentation can be found on Micrel’s web  
site at www.micrel.com.  
Typical Application  
L1  
10µH  
VOUT  
15V  
15V  
Efficiency  
VIN  
OUT  
90  
85  
80  
75  
70  
65  
60  
VIN = 4.2V  
MIC2288BD5  
5
4
1
3
VIN  
SW  
R1  
R2  
VIN = 3.2V  
FB  
EN  
1-Cell  
Li Ion  
VIN = 3.6V  
C1  
2.2µF  
C2  
10µF  
GND  
2
0
0.05  
0.1  
LOAD (A)  
0.15  
0.2  
2mm × 2mm MLFBoost Regulator  
MLF and MicroLeadFrame are trademarks of Amkor Technology, Inc.  
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 http://www.micrel.com  
M9999-021904  
February 2004  
1

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