Datasheet > FAN5646_11

FAN5646_11

更新时间： 2024-01-29 22:18:37

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
4页	554K
描述
Programmable Indicator âSoftâ LED Blinker with TinyWireâ¢ Single-Wire Interface

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FAN5646_11 数据手册

January 2011

FAN5646

Programmable Indicator “Soft” LED Blinker with TinyWire™

Single-Wire Interface

Features

Description

The FAN5646 is a flexible and compact solution for a blinking

or “breathing” LED indicator. The internal programmable blink

algorithm eliminates any need for continual system processor

control. This means longer battery life for a hand-held system

because the system processor is not awakened from sleep

mode to blink an LED.

LED “Soft” Blink: with Logarithmic Fade Up and Fade

Down for Power Savings

Follow or Repeat Pattern Mode for Blinking when

Applications Processor is Powered Down

Default Pattern Optionally Modified using TinyWire™

Single-Wire Digital Control for:

Very low dropout of 80mV allows driving an LED without any

inductors or switch capacitors. LED blink rate, rise and fall

time, and CTRL line behavior can be programmed by a

TinyWire™ single-wire digital interface. The on-time and time

between pulses can be set for up to two different pulse widths.

–

LED Current Rise / Fall Time

t_ONand t_OFFfor Up to Two Pulses

High-Side Constant Current LED Driver:

–

20mA Maximum Output Current

80mV Drop-out at 20mA I_OUT

The default for FAN5646 option 01 is “follow” mode, where the

LED turns on with the programmed rise time, then stays on as

long as CTRL remains HIGH. When CTRL falls, the LED turns

off at the programmed fall time. For option 00; when CTRL is

HIGH continuously, the LED repeats the programmed pattern.

External R_SET(SC70 only) or Internal Current

Programming

35A Operating Quiescent Current

The FAN5646 is available in a four-pin wafer-level chip-scale

package with 0.4mm pitch or a five-lead SC70 package.

Short-Circuit, Under-Voltage, and Thermal Protections

Wide Input Range: 2.7 to 5.5V

4-Bump WLCSP, 0.4mm pitch or

5-Lead SC70 (EIAJ SC88)

Applications

Cell Phone

Pocket PCs and Digital Cameras

Bluetooth^®Headsets PMP and MP3 players

Figure 1. Typical Application

Ordering Information

Part Number

FAN5646UC00X

FAN5646S700X

FAN5646UC01X

FAN5646S701X

Option Follow Bit Default Temperature Range

Package

Packing

-40 to 85°C

WLCSP-4, 0.4mm Pitch Tape and Reel

5-Lead SC70, EIAJ SC88 Tape and Reel

WLCSP-4, 0.4mm Pitch Tape and Reel

5-Lead SC70, EIAJ SC88 Tape and Reel

Bluetooth® is a registered trademark of Bluetooth SIG, Inc.

Important: Contact a Fairchild Semiconductor sales representative for additional performance information and specifications.

FAN5646 • Rev. 1.0.2

www.fairchildsemi.com

12 3 4

中文翻译

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与FAN5646_11相关器件

型号	品牌	获取价格	描述	数据表
FAN5646S700X	FAIRCHILD	获取价格	Programmable Indicator “Soft” LED Blinker wit
FAN5646S700X	ONSEMI	获取价格	LED 驱动器，可编程指示灯 LED 闪烁器，带单线接口
FAN5646S700X_11	FAIRCHILD	获取价格	Programmable Indicator âSoftâ LED Blinker
FAN5646S701X	FAIRCHILD	获取价格	Programmable Indicator “Soft” LED Blinker wit
FAN5646S701X	ONSEMI	获取价格	LED 驱动器，可编程指示灯 LED 闪烁器，带单线接口
FAN5646S701X_11	FAIRCHILD	获取价格	Programmable Indicator âSoftâ LED Blinker
FAN5646UC00X	FAIRCHILD	获取价格	Programmable Indicator “Soft” LED Blinker wit
FAN5646UC00X	ONSEMI	获取价格	LED 驱动器，可编程指示灯 LED 闪烁器，带单线接口
FAN5646UC00X_11	FAIRCHILD	获取价格	Programmable Indicator âSoftâ LED Blinker
FAN5646UC01X	FAIRCHILD	获取价格	Programmable Indicator “Soft” LED Blinker wit

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