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MIC2288YD5 PDF预览

MIC2288YD5

更新时间: 2024-01-29 07:09:43
品牌 Logo 应用领域
麦瑞 - MICREL 转换器开关光电二极管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

MIC2288YD5 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:TSOT-23, 5 PINReach Compliance Code:unknown
风险等级:5.69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:R-PDSO-G5长度:2.9 mm
功能数量:1端子数量:5
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:1.2 A封装主体材料:PLASTIC/EPOXY
封装代码:VSSOP封装等效代码:TSOP5/6,.11,37
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
筛选级别:TS-16949座面最大高度:1 mm
表面贴装:YES切换器配置:BOOST
最大切换频率:0.00135 kHz温度等级:AUTOMOTIVE
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUAL宽度:1.6 mm
Base Number Matches:1

MIC2288YD5 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

MIC2288YD5 替代型号

型号 品牌 替代类型 描述 数据表
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