CAT4104VP2-GT3

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CAT4104VP2-GT3

IC LED DRVR LIN PWM 175MA 8TDFN

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  • Fr. Teil #CAT4104VP2-GT3
  • Paket TDFN-8
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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
Type Linear
InternalSwitch(s) Yes
NumberofOutputs 4
Voltage-Supply(Min) 3V
Voltage-Supply(Max) 5.5V
Voltage-Output 25V
Current-Output/Channel 175mA
Dimming PWM
Applications Automotive, Backlight, Lighting
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-WFDFN Exposed Pad

Übersicht

Description

CAT4104VP2-GT3 is a four-channel constant-current LED driver IC (from Catalyst Semiconductor, now ON Semiconductor). It provides four current sinks to drive up to four LED strings from a single supply. Each channel’s current is set externally (RSET). Dimming is supported via PWM and/or analog dimming inputs. Protections typically include open/short LED detection and thermal shutdown. The GT3 suffix denotes a specific packaging/variant (lead-free) of the device.
Common uses include LCD/backlight, display backlighting, and decorative lighting. To get started: obtain the latest datasheet for the VP2-GT3 variant, verify the pinout, calculate RSET for your desired per-channel current, connect the LED strings to the four outputs, and drive the dimming inputs while providing proper decoupling and thermal management. Always refer to the datasheet for exact electrical specs, operating ranges, and recommended application circuits.

Features

CAT4104VP2-GT3 features (concise):
- 4-channel constant-current sink outputs for LED strings
- Common current set by a single external resistor (matched per channel)
- PWM dimming input for brightness control
- Protection on each channel: open-LED, short-circuit; plus undervoltage and over-temperature protection
- Wide input voltage range suitable for backlight/display LEDs
- Pb-free GT3 package (RoHS-compliant) suitable for compact designs
Applications: LED backlighting, displays, signage.

Package

GT3 package. CAT4104VP2-GT3 comes in the GT3 leadless, QFN‑style package.

Pinout

- Pin count: 8 pins (in VP2-GT3 package)
- Function: Four-channel constant-current LED driver with low-side current sinks; current per channel set by ISET resistor; includes PWM dimming control and an enable/shutdown input; provides protection features (e.g., open/short).

Manufacturer

Manufacturer: Catalyst Semiconductor (now part of ON Semiconductor).
What kind of company: A semiconductor company that designs and manufactures integrated circuits.

Application

CAT4104VP2-GT3 is a constant-current LED driver IC. Typical applications include LCD backlighting and LED lighting for displays, architectural/industrial lighting, automotive lighting, LED strips and retrofit lamps, and portable/battery-powered luminaires.

Equivalent

I don’t have a real-time cross-reference for CAT4104VP2-GT3. Exact equivalents depend on specs. Please share key details or the datasheet: per-channel current, supply voltage range, dimming method (PWM/analog), package GT3, and tolerance. With those, I can suggest precise cross-ref parts from TI, Analog Devices, Renesas, Microchip, etc.

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