Datasheet > A8430EEKTR

A8430EEKTR

更新时间： 2024-01-02 13:09:02

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动接口集成电路
页数	文件大小	规格书
7页	383K
描述
LED Driver, 1-Segment, 3 X 3 MM, 0.75 MM HEIGHT, MLP-5

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A8430EEKTR 技术参数

生命周期：	Obsolete	零件包装代码：	SOIC
包装说明：	VSON,	针数：	5
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.83
接口集成电路类型：	LED DISPLAY DRIVER	JESD-30 代码：	S-XDSO-N5
长度：	3 mm	复用显示功能：	NO
功能数量：	1	区段数：	1
端子数量：	5	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	UNSPECIFIED
封装代码：	VSON	封装形状：	SQUARE
封装形式：	SMALL OUTLINE, VERY THIN PROFILE	认证状态：	Not Qualified
座面最大高度：	0.8 mm	最大供电电压：	10 V
最小供电电压：	2.5 V	标称供电电压：	3 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	NO LEAD	端子节距：	0.95 mm
端子位置：	DUAL	宽度：	3 mm
Base Number Matches：	1

A8430EEKTR 数据手册

Advance Information Data Sheet

Subject to Change without Notice

January 20, 2004

A8430

Constant Current LED Driver Boost Converter

The A8430 is a noninverting boost converter that steps-up the input

voltage, to provide a programmable constant current output at up to

A8430EEK MLPD

36 V for driving white LEDs in series. Driving LEDs in series ensures

identical currents and uniform brightness. Up to four white LEDs can

be driven from a single cell Li-ion or a multicell NiMH power source.

Up to seven white LEDs can be driven by increasing the supply voltage

up to 10 V.

VIN

GND

The A8430 incorporates a power switch and feedback sense ampliﬁer

to provide a solution with minimum external components. The output

current can be set by adjusting a single external sense resistor and can

be varied with a voltage or ﬁltered PWM signal when dimming control

is required. The high switching frequency of 1.2 MHz allows the use of

small inductor and capacitor values.

Same pad footprint as SOT-23-5.

The A8430 is available in a low proﬁle 5-lead MLP package (part num-

ber sufﬁx EK).

FEATURES

ꢀ

Output voltage up to 36 V

2.5 V to 10 V input

ABSOLUTE MAXIMUM RATINGS

Drives up to 4 LEDs from a 3.2 V supply

Drives up to 6 LEDs from a 5 V supply

1.2 MHz switching frequency

200 mA switch current limit

1 µA shutdown current

SW Pin ................................................–0.3 V to 36 V

Remaining Pins.................................. –0.3 V to 10 V

Package Thermal Impedance:

Two-sided PCB¹...........................θ_JAtbaºC / W

“High-K” PCB²............................θ_JAtbaºC / W

Operating Temperature Range

APPLICATIONS

Ambient Temperature, T_A.............–40°C to +85°C

Junction Temperature, T_J..................+150°C Max.

Storage Temperature, T_S..........–55°C to +150°C

ꢀ

LED backlights

Portable battery-powered equipment

Cellular phones

¹Measured on a typical two-sided PCB with 2 in.²copper

ground plane.

³Measured on a JEDEC-standard “High-K” 4-layer PCB.

PDAs (Personal Digital Assistant)

Camcorders, personal stereos, MP3 players, cameras

ꢀ

Mobile GPS systems

Use the following complete part number when ordering:

Part Number

Package

Description

A8430EEK

5-pin, MLPD

Surface Mount

12 3 4 5 6 7

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与A8430EEKTR相关器件

型号	品牌	描述	获取价格	数据表
A8430EEKTR-T	ALLEGRO	LED Driver, 1-Segment, 3 X 3 MM, 0.75 MM HEIGHT, ROHS COMPLIANT, MLP-5	获取价格
A8430EK	ALLEGRO	LED Driver, 1-Segment, PDSO5, SOT-23, 5 PIN	获取价格
A8431	ALLEGRO	White LED Driver Constant Current Step-up Converter	获取价格
A8431EEH-T	ALLEGRO	White LED Driver Constant Current Step-up Converter	获取价格
A8431EEHTR-T	ALLEGRO	LED Driver, 1-Segment, 2 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, MO-229WCED-1, MLP-6	获取价格
A8434	ALLEGRO	6-Channel High Efficiency Charge Pump White LED Driver	获取价格

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