Datasheet > MIC3232YMM-TR

MIC3232YMM-TR

更新时间： 2024-11-20 15:42:51

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, 440kHz SWITCHING FREQ-MAX, PDSO10

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中文翻译

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技术参数
数据手册
替代型号

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MIC3232YMM-TR 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	TSSOP,	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
Factory Lead Time：	13 weeks	风险等级：	5.71
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 V	JESD-30 代码：	S-PDSO-G10
JESD-609代码：	e4	长度：	3 mm
湿度敏感等级：	2	功能数量：	1
端子数量：	10	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：	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
表面贴装：	YES	切换器配置：	SINGLE
最大切换频率：	440 kHz	温度等级：	AUTOMOTIVE
端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)	端子形式：	GULL WING
端子节距：	0.5 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

MIC3232YMM-TR 数据手册

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

16 N/C

15 VDD

14 DRV

13 PGND

12 OVP

11 IS

VIN

12 VDD

11 DRV

10 PGND

VIN

10 VDD

DRV

PGND

OVP

PWMD

COMP

IADJ

PWMD

COMP

IADJ

PWMD

COMP

IADJ

OVP

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

12 3 4 5 6 7...19

中文翻译

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MIC3232YMM-TR 替代型号

型号	品牌	替代类型	描述	数据表
MIC3232YMM	MICROCHIP	完全替代	SWITCHING CONTROLLER, 440kHz SWITCHING FREQ-MAX, PDSO10

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