cat4104 ON Semiconductor, cat4104 Datasheet

cat4104

Manufacturer Part Number

cat4104

Description

700 Ma Quad Channel Constant Current Led Driver

Manufacturer

ON Semiconductor

Datasheet

1.CAT4104.pdf (14 pages)

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Download datasheet (272Kb)

700 mA Quad Channel Constant Current LED Driver

FEATURES

APPLICATIONS

ORDERING INFORMATION

* Lead Finish is NiPdAu

PIN CONFIGURATION

Characteristics subject to change without notice

CAT4104VP2-GT3

4 matched LED current sinks up to 175 mA

Up to 25 V operation on LED pins

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

Thermal shutdown protection

RoHS-compliant TDFN 8-Pad 2 x 3 mm and

SOIC 8-Lead packages

Automotive Lighting

General and Architectural Lighting

LCD backlight

CAT4104V-GT3

Number

Part

LED1

LED2

LED3

LED4

LED1

LED2

LED3

LED4

TDFN 8-Pad (Top View)

SOIC 8-Lead (Top View)

Package

TDFN-8*

SOIC-8*

Quantity

per Reel

3,000

RSET

VIN

EN/PWM

GND

RSET

VIN

EN/PWM

GND

CAT4104V

Package

Marking

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.

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 150ºC.

The device is available in the 8-pad TDFN 2 mm x 3 mm

package and the SOIC 8-Lead 150 mil wide package.

TYPICAL APPLICATION CIRCUIT

3 V to 25 V

OFF

768 Ω

VCC

VIN

5 V

EN/PWM

RSET

VIN

CAT4104

GND

LED1

LED2

LED3

LED4

LEDs

CAT4104

Doc. No. MD-4051 Rev. A

175 mA

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