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MIC3231YTSETR

更新时间： 2024-11-20 13:11:31
品牌 Logo 应用领域
麦瑞 - MICREL 开关光电二极管驱动控制器
页数 文件大小 规格书
19页 718K
描述
IC,LASER DIODE/LED DRIVER,TSSOP,16PIN,PLASTIC

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中文翻译

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MIC3231YTSETR 技术参数

是否Rohs认证：符合生命周期：Active
包装说明：TSSOP, TSSOP16,.25Reach Compliance Code：compliant
风险等级：5.76Is Samacsys：N
JESD-30 代码：R-PDSO-G16端子数量：16
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP16,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH电源：12 V
认证状态：Not Qualified子类别：Display Drivers
标称供电电压：12 V表面贴装：YES
端子形式：GULL WING端子节距：0.635 mm
端子位置：DUALBase Number Matches：1

MIC3231YTSETR 数据手册

 浏览型号MIC3231YTSETR的Datasheet PDF文件第2页浏览型号MIC3231YTSETR的Datasheet PDF文件第3页浏览型号MIC3231YTSETR的Datasheet PDF文件第4页浏览型号MIC3231YTSETR的Datasheet PDF文件第5页浏览型号MIC3231YTSETR的Datasheet PDF文件第6页浏览型号MIC3231YTSETR的Datasheet PDF文件第7页 
MIC3230/1/2  
Constant Current Boost Controller for  
Driving High Power LEDs  
General Description  
The MIC3230/1/2 are constant current boost switching  
controllers specifically designed to power one or more  
strings of high power LEDs. The MIC3230/1/2 have an  
input voltage range from 6V to 45V and are ideal for a  
variety of solid state lighting applications.  
Bringing the Power to Light™  
Features  
• 6V to 45V input supply range  
The MIC3230/1/2 utilizes an external power device which  
offers a cost conscious solution for high power LED  
applications. The powerful drive circuitry can deliver up to  
70W to the LED system. Power consumption has been  
minimized through the implementation of a 250mV  
feedback voltage reference providing an accuracy of ±3%.  
The MIC323x family is dimmable via a pulse width  
modulated (PWM) input signal and also features an enable  
pin for low power shutdown.  
• Capable of driving up to 70W  
• Ultra low EMI via dithering on the MIC3231  
• Programmable LED drive current  
• Feedback voltage = 250mV ±3%  
• Programmable switching frequency (MIC3230/1) or  
400kHz fixed frequency operation (MIC3232)  
• PWM Dimming and separate enable shutdown  
• Frequency synchronization with other MIC3230s  
• Protection features:  
Multiple MIC3230 ICs can be synchronized to a common  
operating frequency. The clocks of these synchronized  
devices can be used together in order to help reduce noise  
and errors in a system.  
Over Voltage Protection (OVP)  
Over temperature protection  
Under-voltage Lock-out (UVLO)  
• Packages:  
An external resistor sets the adjustable switching  
frequency of the MIC3230/1. The switching frequency can  
be between 100kHz and1MHz. Setting the switching  
frequency provides the mechanism by which a design can  
be optimized for efficiency (performance) and size of the  
external components (cost). The MIC323x family of LED  
drivers also offer the following protection features: Over  
voltage protection (OVP), thermal shutdown and under-  
voltage lock-out (UVLO).  
N/C  
VIN  
1
2
3
4
5
6
7
8
16 N/C  
15 VDD  
14 DRV  
13 PGND  
12 OVP  
11 IS  
VIN  
EN  
1
2
3
4
5
6
12 VDD  
11 DRV  
10 PGND  
VIN  
EN  
1
2
3
4
5
10 VDD  
EN  
9
8
7
6
DRV  
PGND  
OVP  
IS  
PWMD  
COMP  
IADJ  
FS  
PWMD  
COMP  
IADJ  
FS  
PWMD  
COMP  
IADJ  
9
8
7
OVP  
IS  
10 SYNC/NC  
EPAD  
SYNC/NC  
EPAD  
AGND  
9 N/C  
MIC3232  
10-pin MSOP  
MIC3230/1  
12-pin MLF®  
MIC3230/1  
16-pin TSSOP  
The MIC3231 offers a dither feature to assist in the  
reduction of EMI. This is particularly useful in sensitive EMI  
applications, and provides for a reduction or emissions by  
approximately 10dB.  
• –40°C to +125°C junction temperature range  
The MIC3232 is a 400kHz fixed frequency device offered  
in a small 10-pin MSOP package. The MIC3230/1 are  
offered in both the EPAD 16-pin TSSOP package and the  
12-pin 3mm × 3mm MLF® package.  
Applications  
• Street lighting  
• Solid state lighting  
• General illumination  
• Architectural lighting  
• Constant current power supplies  
Datasheets and support documentation can be found on  
Micrel’s web site at: www.micrel.com.  
Bringing the Power to Light is a trademark of Micrel, Inc.  
MicroLeadFrame and MLF are registered trademarks of Amkor Technology.  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-030311-D  
March 2011  
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