Datasheet > MIC4812

MIC4812

更新时间： 2024-01-04 16:52:24

品牌	Logo	应用领域
麦瑞 - MICREL		驱动器
页数	文件大小	规格书
12页	584K
描述
High Current 6 Channel Linear WLED Driver with DAM? and Ultra Fast PWM? Control

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MIC4812 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	TSSOP, TSSOP10,.19,20	Reach Compliance Code：	compliant
风险等级：	5.84	JESD-30 代码：	R-PDSO-G10
JESD-609代码：	e3	湿度敏感等级：	3
端子数量：	10	封装主体材料：	PLASTIC/EPOXY
封装代码：	TSSOP	封装等效代码：	TSSOP10,.19,20
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源：	5 V	认证状态：	Not Qualified
子类别：	Display Drivers	标称供电电压：	5 V
表面贴装：	YES	端子面层：	Matte Tin (Sn)
端子形式：	GULL WING	端子节距：	0.5 mm
端子位置：	DUAL

MIC4812 数据手册

MIC4812

High Current 6 Channel Linear WLED

Driver with DAM™ and Ultra Fast

PWM™ Control

General Description

Features

The MIC4812 is a high efficiency linear White LED

(WLED) driver designed to drive up to six high current

WLEDs for signage lighting. The MIC4812 provides the

highest possible efficiency as this architecture has no

switching losses present in traditional charge pumps or

inductive boost circuits. The MIC4812 provides six linear

drivers which maintain constant current for up to six

WLEDs. It features a typical dropout of 190mV at 100mA.

• High Efficiency (no Voltage Boost losses)

• Ultra Fast PWM™ control (200Hz to 500kHz)

• Input voltage range: 3.0V to 5.5V

• LED current range up to 100mA per channel

• Programmable LED current with external resistor

• Dropout of 190mV at 100mA

• Matching better than ±1% (typical)

The MIC4812 features Dynamic Average Matching™

(DAM™) which is specifically designed to provide optimum

matching across all WLEDs. The high accuracy (±1%

typical) current regulated WLED channels ensure uniform

display illumination under all conditions. The brightness is

controlled through an Ultra Fast PWM™ interface

operating down to less than 1% duty cycle.

• Current Accuracy better than ±1% (typical)

• Maintains proper regulation regardless of how many

channels are utilized

• 10-pin MSOP with ePad package

Applications

The MIC4812 is available in an 10-pin MSOP ePad

package with a junction temperature range of -40°C to

+125°C.

Datasheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

• Billboard displays

• Marquee displays

• Instrument displays

• LCD display modules

____________________________________________________________________________________________________________

Typical Application

High Current Lighting (Six WLEDs)

Ultra Fast PWM, DAM and Dynamic Average Matching are trademark of Micrel, Inc.

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-010511-A

January 2011

12 3 4 5 6 7...12

中文翻译

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与MIC4812相关器件

型号	品牌	获取价格	描述	数据表
MIC4812_1104	MICREL	获取价格	High Current 6 Channel Linear WLED Driver wit
MIC4812YMME	MICREL	获取价格	High Current 6 Channel Linear WLED Driver with DAM? and Ultra Fast PWM? Control
MIC4823M	MICROCHIP	获取价格	EL DISPLAY DRIVER, PDSO8
MIC4823MS	MICROCHIP	获取价格	EL DISPLAY DRIVER, PDSO8
MIC4826	MICREL	获取价格	Low Input Voltage, 160VPP Output Voltage, EL Driver
MIC4826	MICROCHIP	获取价格	Micrel's MIC4826 is a high output voltage, DC to AC converter, designed for driving electr
MIC4826_09	MICREL	获取价格	Low Input Voltage, 160VPP Output Voltage, EL Driver
MIC4826BMM	MICREL	获取价格	Low Input Voltage, 160VPP Output Voltage, EL Driver
MIC4826BMM	ROCHESTER	获取价格	EL DISPLAY DRIVER, PDSO8, MSOP-8
MIC4826BMM	MICROCHIP	获取价格	EL Driver, 1-Segment, PDSO8, MSOP-8

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