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MIC3231YTSE PDF预览

MIC3231YTSE

更新时间： 2024-02-15 23:42:53
品牌 Logo 应用领域
美国微芯 - MICROCHIP 开关光电二极管
页数 文件大小 规格书
19页 719K
描述
SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO16

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MIC3231YTSE 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：HTSSOP,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：2 weeks风险等级：2.12
其他特性：ALSO OPERATES IN PEAK CURRENT MODE模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：45 V最小输入电压：6 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G16
JESD-609代码：e3长度：5 mm
湿度敏感等级：3功能数量：1
端子数量：16最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：HTSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, 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：1.2 mm
表面贴装：YES切换器配置：SINGLE
最大切换频率：1000 kHz温度等级：AUTOMOTIVE
端子面层：MATTE TIN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：4.4 mm
Base Number Matches：1

MIC3231YTSE 数据手册

 浏览型号MIC3231YTSE的Datasheet PDF文件第2页浏览型号MIC3231YTSE的Datasheet PDF文件第3页浏览型号MIC3231YTSE的Datasheet PDF文件第4页浏览型号MIC3231YTSE的Datasheet PDF文件第5页浏览型号MIC3231YTSE的Datasheet PDF文件第6页浏览型号MIC3231YTSE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  
1234567...19

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