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MIC4826BMM PDF预览

MIC4826BMM

更新时间: 2024-11-21 20:32:59
品牌 Logo 应用领域
美国微芯 - MICROCHIP 驱动光电二极管接口集成电路驱动器
页数 文件大小 规格书
12页 579K
描述
EL Driver, 1-Segment, PDSO8, MSOP-8

MIC4826BMM 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:MSOP包装说明:MSOP-8
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.08驱动器位数:1
接口集成电路类型:EL DISPLAY DRIVERJESD-30 代码:S-PDSO-G8
JESD-609代码:e0长度:3 mm
湿度敏感等级:1复用显示功能:NO
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封装等效代码:TSSOP8,.19
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):240电源:3 V
认证状态:Not Qualified座面最大高度:1.09 mm
子类别:Peripheral Drivers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:Tin/Lead (Sn85Pb15)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:30宽度:3 mm
Base Number Matches:1

MIC4826BMM 数据手册

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MIC4826  
Low Input Voltage, 160V Output Voltage, EL Driver  
PP  
General Description  
Features  
Micrel’sMIC4826isahighoutputvoltage,DCtoACconverter,  
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/NiMH battery applications. The MIC4826 converts  
• 1.8V to 5.5V DC input voltage  
• 160V regulated AC output waveform  
PP  
• Independently adjustable EL lamp frequency  
• Independently adjustable boost converter frequency  
• 0.1µA shutdown current  
a low voltage DC input to a 160V AC output signal that  
drives the EL lamp.  
PP  
Applications  
• LCD panel backlight  
• Cellular phones  
• PDAs  
• Pagers  
• Calculators  
The MIC4826 is comprised of two stages: a boost stage, and  
an H-bridge, lamp driver, stage. The boost stage steps the  
input voltage up to +80V. The H-bridge stage then alternately  
switches the +80V output to each terminal of the EL lamp,  
thus creating a 160V AC signal to drive the EL lamp and  
PP  
• Remote controls  
• Portable phones  
generate light.  
The MIC4826 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  
Temp. Range  
Package  
MIC4826BMM MIC4826YMM –40°C to +85°C  
MSOP-8  
The MIC4826 uses a single inductor and a minimum number  
of external components, making it ideal for portable, space-  
sensitive applications.  
The MIC4826 is available in an 8-pin MSOP package with  
an ambient temperature range of –40°C to +85°C.  
Typical Application  
L1  
D1  
VIN  
220µH  
BAV19WS  
COUT  
V
= 3.0V  
LI=N 220µH  
0.01µF/100V  
CIN  
10µF  
MIC4826  
COUT = 0.01µF  
Lamp = 2in2�  
1
2
3
4
5
6
8
7
VDD  
SW  
CS  
VA  
R
= 332k�  
RSEWL = 3.32M  
442k  
2M  
RSW  
REL  
GND  
VB  
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  
March 2009  
1
MIC4826  

MIC4826BMM 替代型号

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