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MAX1916

更新时间： 2024-11-29 22:57:59

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
7页	213K
描述
Low-Dropout, Constant-Current Triple White LED Bias Supply

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中文翻译

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数据手册

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MAX1916 数据手册

19-2067; Rev 0; 7/01

Low-Dropout, Constant-Current

Triple White LED Bias Supply

General Description

Features

The MAX1916 low-dropout bias supply for white LEDs

is a high-performance alternative to the simple ballast

resistors used in conventional white LED designs. The

MAX1916 uses a single resistor to set the bias current

for three LEDs, which are matched to 0.3%. The

MAX1916 consumes only 40µA of supply current when

enabled and 0.05µA when disabled.

ꢀ Low 200mV Dropout at 9mA

ꢀ Up to 60mA/LED Bias Current

ꢀ 0.3% LED Current Matching

ꢀ Simple LED Brightness Control

ꢀ Low 40µA Supply Current

The MAX1916’s advantages over ballast resistors

include significantly better LED-to-LED bias matching,

much lower bias variation with supply voltage variation,

significantly lower dropout voltage, and in some appli-

cations, significantly improved efficiency. The MAX1916

requires a 200mV dropout at a 9mA load on each out-

put to match the LED brightness.

ꢀ Low 0.05µA Shutdown Current

ꢀ 2.5V to 5.5V Supply Voltage Range

ꢀ Thermal Shutdown Protection

ꢀ Tiny 6-Pin Thin SOT23 Package (1mm High)

The MAX1916 is available in a space-saving 6-pin Thin

SOT23 package.

Applications

Ordering Information

Next-Generation Wireless Handsets

PDAs, Palmtops, and Handy Terminals

Digital Cameras, Camcorders

PIN-

PACKAGE

TOP

MARK

PART

TEMP. RANGE

MAX1916EZT

6 Thin SOT23

-40°C to +85°C

AAAG

Battery-Powered Equipment

Typical Operating Circuit

Pin Configuration

V+

TOP VIEW

CTRL

GND

SET

LED1

LED2

LED3

MAX1916

SET

LED1 LED2 LED3

OFF

MAX1916

GND

THIN SOT23-6

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7

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MAX1917EEE+	MAXIM	获取价格	Switching Controller, Voltage-mode, 1000kHz Switching Freq-Max, BICMOS, PDSO16, QSOP-16
MAX1917EEE+T	MAXIM	获取价格	Switching Controller, Voltage-mode, 1000kHz Switching Freq-Max, BICMOS, PDSO16, QSOP-16
MAX1917EEE-T	MAXIM	获取价格	Switching Controller, Voltage-mode, 1000kHz Switching Freq-Max, BICMOS, PDSO16, QSOP-16
MAX1917EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX1917