CAT4104VP2-GT3

更新时间： 2024-01-01 04:24:35

品牌	Logo	应用领域
安森美 - ONSEMI		驱动器
页数	文件大小	规格书
13页	178K
描述
700 mA Quad Channel Constant Current LED Driver

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CAT4104VP2-GT3 数据手册

CAT4104

700 mA Quad Channel

Constant Current LED Driver

Description

The CAT4104 provides four matched low dropout current sinks to

drive high−brightness LED strings up to 175 mA per channel. The

LED channel current is set by an external resistor connected to the

RSET pin. The LED pins are compatible with high voltage up to 25 V

supporting applications with long strings of LEDs.

http://onsemi.com

The EN/PWM logic input supports the device enable and high

frequency external Pulse Width Modulation (PWM) dimming control.

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 the 8−pad TDFN 2 mm x 3 mm package

and the SOIC 8−Lead 150 mil wide package.

SOIC−8

V SUFFIX

CASE 751BD

TDFN−8

VP SUFFIX

CASE 511AK

PIN CONNECTIONS

Features

LED1

LED2

LED3

LED4

RSET

VIN

• 4 Matched LED Current Sinks up to 175 mA

• Up to 25 V Operation on LED Pins

EN/PWM

GND

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

• LED Current Set by External Resistor

• High Frequency PWM Dimming via EN/PWM

• “Zero” Current Shutdown Mode

SOIC 8−lead

(Top View)

RSET

VIN

LED1

LED2

LED3

LED4

• Thermal Shutdown Protection

• TDFN 8−pad 2 x 3 mm and SOIC 8−lead Packages

EN/PWM

GND

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

Compliant

TDFN 8−pad

(Top View)

Applications

• Automotive Lighting

• General and Architectural Lighting

• LCD Backlight

MARKING DIAGRAMS

VCC

3 V to 25 V

CAT4104V

LEDs

CAT4104V = CAT4104V

HC = CAT4104VP2

CAT4104

VIN

5 V

VIN

LED1

LED2

LED3

LED4

OFF

EN/PWM

RSET

ORDERING INFORMATION

Device

Package

Shipping

GND

768 W

175 mA

CAT4104V−GT3

SOIC−8

3,000/

(Note 1)

(Pb−Free)

Tape & Reel

CAT4104VP2−GT3

(Note 1)

TDFN−8

(Pb−Free)

3,000/

Tape & Reel

Figure 1. Typical Application Circuit

1. Lead Finish is NiPdAu

Publication Order Number:

March, 2010 − Rev. 2

CAT4104/D

12 3 4 5 6 7...13

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