FAN5646UC00X Fairchild Semiconductor, FAN5646UC00X Datasheet

FAN5646UC00X

Manufacturer Part Number

FAN5646UC00X

Description

IC LED DRIVER BLINKER 4WLCSP

Manufacturer

Fairchild Semiconductor

Series

TinyWire™r

Type

LED Blinkerr

Datasheet

1.FAN5646UC00X.pdf (4 pages)

Specifications of FAN5646UC00X

Constant Current

Yes

Topology

High Side

Number Of Outputs

Internal Driver

Yes

Type - Primary

LED Blinker

Voltage - Supply

2.7 V ~ 5.5 V

Mounting Type

Surface Mount

Package / Case

4-WLCSP

Operating Temperature

-40°C ~ 85°C

Current - Output / Channel

20mA

Operating Supply Voltage

2.7 V to 5.5 V

Maximum Supply Current

20 mA

Maximum Operating Temperature

+ 85 C

Mounting Style

SMD/SMT

Minimum Operating Temperature

- 40 C

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Voltage - Output

Frequency

Internal Switch(s)

Efficiency

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Other names

FAN5646UC00XTR

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

FAN5646UC00X

Manufacturer:

FSC

Quantity:

3 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

FAN5646UC00X

Manufacturer:

FAIRCHILD/仙童

Quantity:

20 000

Current page: 1 of 4
Download datasheet (553Kb)

FAN5646 • Rev. 1.0.2

FAN5646

Programmable Indicator “Soft” LED Blinker with TinyWire™

Single-Wire Interface

Features



Applications



Ordering Information

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

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

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:

–

High-Side Constant Current LED Driver:

–

35A Operating Quiescent Current

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)

Cell Phone

Pocket PCs and Digital Cameras

Bluetooth

FAN5646UC00X

FAN5646UC01X

FAN5646S700X

FAN5646S701X

Part Number

LED Current Rise / Fall Time

20mA Maximum Output Current

80mV Drop-out at 20mA I

External R

Programming

and t

Headsets PMP and MP3 players

OFF

SET

for Up to Two Pulses

(SC70 only) or Internal Current

Option Follow Bit Default Temperature Range

OUT

-40 to 85°C

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.

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.

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.

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

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

Figure 1. Typical Application

WLCSP-4, 0.4mm Pitch

5-Lead SC70, EIAJ SC88 Tape and Reel

WLCSP-4, 0.4mm Pitch

5-Lead SC70, EIAJ SC88 Tape and Reel

Package

www.fairchildsemi.com

January 2011

Tape and Reel

Packing

Related parts for FAN5646UC00X

FAN5646UC00X Summary of contents

Page 1

... Pocket PCs and Digital Cameras  ® Bluetooth Headsets PMP and MP3 players Ordering Information Part Number Option Follow Bit Default Temperature Range FAN5646UC00X 00 FAN5646S700X 00 FAN5646UC01X 01 FAN5646S701X 01 Bluetooth® registered trademark of Bluetooth SIG, Inc. Important: Contact a Fairchild Semiconductor sales representative for additional performance information and specifications. ...

Page 2

... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’ ...

Page 3

Page 4

... Fairchild Semiconductor Corporation FAN5646 • Rev. 1.0.2 13 www.fairchildsemi.com ...

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