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CAT4002ASD-GT3 The On Semiconductor CAT4002ASD-GT3 is a linear LED driver IC featuring 2 current sinks and 32 dimming levels. It operates from a 2.4V to 5.5V supply.
Mfr Part #:

CAT4002ASD-GT3

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor CAT4002ASD-GT3 is a linear LED driver IC featuring 2 current sinks and 32 dimming levels. It operates from a 2.4V to 5.5V supply.
✓ Total Stock: 306,000 pcs
$ Price Range: $0.17

CAT4002ASD-GT3 Available from 1 distributor

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✓ Non-Authorised
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Flip Electronics ✓
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306,000 pcs
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CAT4002ASD-GT3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Dimming
Halogen Free
Internal Switch(s)
Mounting Type
Number of Outputs
Operating Temperature
Supplier Device Package
Supplier Package
Type
Voltage
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CAT4002ASD-GT3 Description

Short technical summary and product information.

The CAT4002ASD-GT3 from On Semiconductor is a constant current LED driver designed for applications requiring precise LED control. It provides two matched low dropout current sources, allowing for tight current matching across LED channels.

 

This device features 32 linear dimming levels, controlled via a 1-wire EZDim interface, enabling flexible brightness adjustment. The low dropout voltage of 50 mV at 20 mA makes it suitable for direct battery-powered applications, such as Lithium-ion battery systems. The current in each LED channel is set by an external resistor (RSET).

 

Key features include no switching noise, a shutdown current less than 1 μA, and thermal shutdown protection for reliability. The CAT4002ASD-GT3 is available in a compact 6-lead SC-70 package, ideal for space-constrained designs.

 

Applications include LCD display backlights, cellular phones, digital still cameras, and handheld devices. It is Pb-free, halogen-free, BFR-free, and RoHS compliant.

CAT4002ASD-GT3 Quick Information

Product Type: LED Driver
Canonical Name: CAT4002ASD-GT3 Constant Current LED Driver
Subcategory: Linear LED Driver

CAT4002ASD-GT3 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

CAT4002ASD-GT3 Estimated Pricing

Qty Low High
1+ $0.17 $0.17

Estimated market price range - modelled values for guidance only, not live distributor offers.

CAT4002ASD-GT3 Features

  • Two matched low dropout current sources.
  • 32 linear dimming levels supported.
  • Low dropout voltage of 50 mV at 20 mA.
  • External resistor sets LED current.
  • Pb-free, halogen-free, and RoHS compliant.

CAT4002ASD-GT3 Applications

  • Ideal for LCD display backlights.
  • Suitable for cellular phone illumination.
  • Used in digital still camera lighting.
  • Applicable for handheld device displays.

CAT4002ASD-GT3 FAQs

7 frequently asked questions generated from this part’s specifications.
What type of LED driver is the CAT4002ASD-GT3?

The CAT4002ASD-GT3 is a linear LED driver.

How many LED outputs does the CAT4002ASD-GT3 have?

The CAT4002ASD-GT3 has 2 LED outputs.

What is the typical current for the CAT4002ASD-GT3 LED driver?

The typical current for the CAT4002ASD-GT3 is 20mA.

What is the minimum operating voltage for the CAT4002ASD-GT3?

The minimum operating voltage for the CAT4002ASD-GT3 is 2.4V.

Does the CAT4002ASD-GT3 support dimming?

Yes, the CAT4002ASD-GT3 supports multi-step dimming with 32 levels.

What is the operating temperature range of the CAT4002ASD-GT3?

The operating temperature range of the CAT4002ASD-GT3 is -40°C to 85°C (TA).

What package is the CAT4002ASD-GT3 available in?

The CAT4002ASD-GT3 is available in a 6-lead SC-70 package.

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