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MIC3289-24YML

更新时间： 2024-01-10 19:24:54

品牌	Logo	应用领域
麦瑞 - MICREL		显示驱动器驱动程序和接口肖特基二极管接口集成电路
页数	文件大小	规格书
13页	368K
描述
1.2MHz PWM White LED Driver with Internal Schottky Diode and True 1-Wire Digital Control

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MIC3289-24YML 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	HVSON, SOLCC8,.08,20	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
Factory Lead Time：	8 weeks	风险等级：	5.53
Is Samacsys：	N	数据输入模式：	SERIAL
接口集成电路类型：	LED DISPLAY DRIVER	JESD-30 代码：	S-XDSO-N8
JESD-609代码：	e4	长度：	2 mm
湿度敏感等级：	1	复用显示功能：	NO
功能数量：	1	区段数：	6
端子数量：	8	最高工作温度：	125 °C
最低工作温度：	-40 °C	封装主体材料：	UNSPECIFIED
封装代码：	HVSON	封装等效代码：	SOLCC8,.08,20
封装形状：	SQUARE	封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
座面最大高度：	1 mm	最大压摆率：	5 mA
最大供电电压：	6.5 V	最小供电电压：	2.5 V
标称供电电压：	3.6 V	表面贴装：	YES
温度等级：	AUTOMOTIVE	端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：	NO LEAD	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：	2 mm	最小 fmax：	1.35 MHz
Base Number Matches：	1

MIC3289-24YML 数据手册

MIC3289

1.2MHz PWM White LED Driver with

Internal Schottky Diode and True 1-Wire

Digital Control

PRELIMINARY INFORMATION

General Description

Features

The MIC3289 is a PWM boost-switching regulator that is

optimized for constant-current white LED driver

applications. The MIC3289 features an internal Schottky

diode, allowing an efficient DC/DC solution that requires

only 4 external components.

• 2.5V to 6.5V input voltage

• Output voltage up to 24V

• 16V & 24V OVP options

• Single wire combines 16 level logarithmic brightness &

shutdown control

The MIC3289 allows for a single wire simple digital

interface to control the dimming over 16 steps with a log

scale to give better resolution at the lower currents to

better match the sensitivity of the human eye

• Internal Schottky diode

• 1.2 MHz PWM operation

• Over 500mA switch current

• Programmable 5% current control

• <1% line and load regulation

• <1µA shutdown current

• Over temperature protection

• UVLO

• Thin SOT23-6L package option

• 2mm × 2mm leadless MLF^®-8L package option

• –40^oC to +125^oC junction temperature range

The feedback voltage of the MIC3289 is only 250mV,

allowing high efficiency while retaining excellent accuracy

for the white LED current.

The MIC3289 implements a constant frequency 1.2MHz

PWM control scheme. The high frequency PWM operation

saves board space by reducing external component sizes.

The 1.2MHz PWM scheme also reduces switching noise

and ripple to the input power source.

The 2.5V to 6.5V input voltage range of MIC3289 allows

direct operation from single cell Li Ion as well as 3- to 4-

cell NiCad/ NiMH/Alkaline batteries.

Battery life is

preserved with a low 1µA shutdown current.

Applications

The MIC3289 is available in a low profile Thin SOT23 6-

lead package and a 2mm × 2mm MLF^®-8L package and

has a junction temperature range of –40°C to +125°C.

Data sheets and support documentation can be found on

Micrel’s web site at www.micrel.com.

• White/Blue LED driver for backlighting

Cell phones

PDAs

GPS systems

Digital cameras

Multimedia / MP3 players

• LED flashlights

• Constant current power supplies

___________________________________________________________________________________________________________

MicroLead Frame and MLF are registered trademarks of Amkor Technologies.

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

M9999-030407

(408) 944-0800

March 2007

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与MIC3289-24YML相关器件

型号	品牌	获取价格	描述	数据表
MIC3289-24YMLTR	MICROCHIP	获取价格	LED DISPLAY DRIVER, DSO8, 2 X 2 MM, MLF-8
MIC3289-24YML-TR	MICROCHIP	获取价格	LED DISPLAY DRIVER, DSO8
MIC3291	MICREL	获取价格	1.2MHz PWM White LED Driver with Internal Schottky Diode and Single-Wire Linear Brightness
MIC3291	MICROCHIP	获取价格	The MIC3291 is a PWM switching boost regulator that is optimized for constant current whit
MIC3291-18YD6	MICREL	获取价格	1.2MHz PWM White LED Driver with Internal Schottky Diode and Single-Wire Linear Brightness
MIC3291-18YM6	MICREL	获取价格	1.2MHz PWM White LED Driver with Internal Schottky Diode and Single-Wire Linear Brightness
MIC3291-18YML	MICREL	获取价格	1.2MHz PWM White LED Driver with Internal Schottky Diode and Single-Wire Linear Brightness
MIC3291-18YML-TR	MICROCHIP	获取价格	LED Driver, 6-Segment, PDSO8, 2 X 2 MM, GREEN, MLF-8
MIC3291-25YD6	MICREL	获取价格	1.2MHz PWM White LED Driver with Internal Schottky Diode and Single-Wire Linear Brightness
MIC3291-25YM6	MICREL	获取价格	1.2MHz PWM White LED Driver with Internal Schottky Diode and Single-Wire Linear Brightness

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