Datasheet > CAV4109

CAV4109

更新时间： 2024-09-16 01:20:43

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
10页	187K
描述
3-Channel Constant-Current RGB LED Driver

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中文翻译

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CAV4109 数据手册

CAT4109, CAV4109

3-Channel Constant-Current

RGB LED Driver with

Individual PWM Dimming

Description

www.onsemi.com

The CAT4109/CAV4109 is a 3−channel constant−current LED

driver, requiring no inductor. LED channel currents up to 175 mA are

programmed independently via separate external resistors. Low output

voltage operation of 0.4 V at 175 mA allows for more power efficient

designs across wider supply voltage range. The three LED pins are

compatible with high voltage up to 25 V supporting applications with

long strings of LEDs.

SOIC−16

V SUFFIX

CASE 751BG

Three independent control inputs PWM1, PWM2, PWM3, control

respectively LED1, LED2, LED3 channels. The device also includes

an output enable (OE) control pin to disable all three channels

independently of the PWMx input states.

Thermal shutdown protection is incorporated in the device to

disable the LED outputs whenever the die temperature exceeds 150°C.

The device is available in a 16−lead SOIC package.

PIN CONNECTIONS

VDD

PGND

GND

PWM3

PWM2

PWM1

RSET3

RSET2

RSET1

Features

• 3 Independent Current Sinks up to 175 mA rated 25 V

• LED Current Set by External Low Power Control Resistors

• Individual PWM Control per Channel

• Low Dropout Current Source (0.4 V at 175 mA)

• Output Enable Input for Dimming

• “Zero” Current Shutdown Mode

• 3 V to 5.5 V Logic Supply

• Thermal Shutdown Protection

• 16−lead SOIC Package

• CAV Prefix for Automotive and Other Applications Requiring

Unique Site and Control Change Requirements; AEC−Q100

Qualified and PPAP Capable

LED1

LED2

LED3

(Top View)

MARKING DIAGRAM

L3A

CAT4109VB

YMXXXX

• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS

Compliant

L = Assembly Location

3 = PB Free

A = Product Revision (Fixed as “A”)

CAT4109V = Device Code

B = Leave Blank

Y = Production Year (Last Digit)

M = Production Month (1−9, O, N, D)

XXXX = Last Four Digits of Assembly Lot Number

Application

• Multi−color LED, Architectural Lighting

• LED Signs and Displays

• LCD Backlight

ORDERING INFORMATION

Device

Package

Shipping

CAT4109V−GT2

(Note 1)

SOIC−16

(Pb−Free)

2,000/

Tape & Reel

CAV4109V−GT2

(Note 1)

SOIC−16

(Pb−Free)

2,000/

Tape & Reel

1. Lead Finish Pb−Free

Publication Order Number:

May, 2015 − Rev. 6

CAT4109/D

12 3 4 5 6 7...10

中文翻译

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