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MIC4827YMMTR PDF预览

MIC4827YMMTR

更新时间: 2024-11-21 13:11:31
品牌 Logo 应用领域
麦瑞 - MICREL 驱动器
页数 文件大小 规格书
13页 589K
描述
EL DISPLAY DRIVER, PDSO8, LEAD FREE, MSOP-8

MIC4827YMMTR 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Transferred零件包装代码:MSOP
包装说明:TSSOP,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.15
接口集成电路类型:EL DISPLAY DRIVERJESD-30 代码:S-PDSO-G8
JESD-609代码:e3长度:3 mm
湿度敏感等级:1复用显示功能:NO
位数/字符:4-DIGIT功能数量:1
区段数:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN 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:1.1 mm最大供电电压:5.5 V
最小供电电压:1.8 V标称供电电压:3 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:3 mm
Base Number Matches:1

MIC4827YMMTR 数据手册

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MIC4827  
Low Input Voltage, 180VPP Output Voltage, EL Driver  
Final Information  
General Description  
Features  
• 1.8V to 5.5V DC input voltage  
Micrel’s MIC4827 is a high output voltage, DC to AC con-  
verter, designed for driving EL (Electroluminescent) lamps.  
The device operates from an input voltage range of 1.8V to  
5.5V, making it suitable for 1-cell Li Ion and 2- or 3-cell  
alkaline/NiCad/NiMHbatteryapplications.TheMIC4827con-  
• 180V regulated AC output waveform  
PP  
• Independently adjustable EL lamp frequency  
• Independently adjustable boost converter frequency  
• 0.1µA shutdown current  
vertsalowvoltageDCinputtoa180V ACoutputsignalthat  
drives the EL lamp.  
PP  
Applications  
• LCD panel backlight  
• Cellular phones  
• PDAs  
• Pagers  
• Calculators  
The MIC4827 is comprised of two stages: a boost stage, and  
an H-bridge, lamp driver, stage. The boost stage steps the  
inputvoltageupto+90V. TheH-bridgestagethenalternately  
switches the +90V output to each terminal of the EL lamp,  
thus creating a 180V AC signal to drive the EL lamp and  
PP  
• Remote controls  
• Portable phones  
generate light.  
The MIC4827 features separate oscillators for the boost- and  
H-bridge stages. External resistors independently set the  
operating frequency of each stage. This flexibility allows the  
EL lamp circuit to be optimized for maximum efficiency and  
brightness.  
Ordering Information  
Part Number  
Standard Pb-Free  
Ambient  
Temp. Range  
Package  
The MIC4827 uses a single inductor and a minimum number  
of external components, making it ideal for portable, space-  
sensitive applications.  
MIC4827BMM MIC4827YMM –40°C to +85°C MSOP-8  
The MIC4827 is available in an 8-pin MSOP package with an  
ambient temperature range of –40°C to +85°C.  
Typical Application  
L1  
220µH  
D1  
1N4148  
VIN  
COUT  
0.033µF/100V  
CIN  
10µF  
MIC4827  
1
2
3
4
5
6
8
7
VDD  
SW  
332k  
RSW  
REL  
CS  
VA  
VB  
3.32M  
GND  
2in2 EL LAMP  
TIME (2ms/div)  
High Voltage EL Driver  
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com  
January 2005  
1
MIC4827  

MIC4827YMMTR 替代型号

型号 品牌 替代类型 描述 数据表
MIC4827BMMTR MICREL

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EL Driver, 1-Segment, PDSO8, MSOP-8

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