CAT4238TD-GT3

Name: CAT4238TD-GT3
Brand: Onsemi
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

LED Driver, Boost Converter, High Efficiency, TSOT-23. 5 Lead, 3000-REEL

5,000 Effective Inventory

CAT4238TD-GT3

Effective Inventory5,000

LED Driver, Boost Converter, High Efficiency, TSOT-23. 5 Lead, 3000-REEL

Manufacturer Part # : CAT4238TD-GT3
Package/Case: TSOT-23-5
Brand: Onsemi
Product Categories : LED Drivers

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

About Shipping

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About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

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CAT4238TD-GT3 DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$3.558	$3.56
10	$3.177	$31.77
30	$2.949	$88.47
100	$2.720	$272.00
500	$2.614	$1,307.00
1000	$2.567	$2,567.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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CAT4238TD-GT3 Details

The CAT4238TD-GT3 is a step-up topology DC-DC converter with a single output, operating at a switching frequency of 1 MHz. It has a wide input voltage range from 2V to 5.5V, making it versatile for various applications. The output current is rated at 40mA, with an output voltage of 38V. This device is designed to withstand extreme temperatures, with an operating range from -40°C to 150°C

Key Features

Accurate 1 A Current Sink
Up to 25 V Operation on LED Pin
Low Dropout 500 mV at 1 A
LED Current Set by External Resistor
High Resolution PWM Dimming via EN/PWM
“Zero” Current Shutdown Mode
Thermal Shutdown Protection
TO−263 5−lead Package
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Pbfree Code	Yes	Part Life Cycle Code	Active
Part Package Code	TSOT-23. 5 Lead	Pin Count !	5
Reach Compliance Code	compliant	ECCN Code	EAR99
HTS Code !	8542.39.00.01	Factory Lead Time	28 Weeks, 1 Day
Interface IC Type	LED DISPLAY DRIVER	JESD-30 Code	R-PDSO-G5
JESD-609 Code	e4	Length	2.9 mm
Moisture Sensitivity Level	1	Multiplexed Display Capability	NO
Number of Functions	1	Number of Segments	1
Number of Terminals	5	Operating Temperature-Max	85 °C
Operating Temperature-Min	-40 °C	Package Body Material	PLASTIC/EPOXY
Package Code	VSSOP	Package Equivalence Code	TSOP5/6,.11,37
Package Shape	RECTANGULAR	Package Style	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)	260	Power Supplies !	3.6 V
Qualification Status !	Not Qualified	Seated Height-Max	1 mm
Supply Voltage-Max	5.5 V	Supply Voltage-Min	3 V
Supply Voltage-Nom	3.6 V	Surface Mount !	YES
Temperature Grade !	INDUSTRIAL	Terminal Finish	NICKEL PALLADIUM GOLD
Terminal Form !	GULL WING	Terminal Pitch !	0.95 mm
Terminal Position	DUAL	Time@Peak Reflow Temperature-Max (s)	30
Width	1.6 mm

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification CAT4238TD-GT3 PDF Download

FAQs

What is CAT4238TD-GT3?

The CAT4238TD-GT3 is a high-precision constant-current LED driver designed by ON Semiconductor. It is specifically designed to drive LEDs with a constant current for uniform brightness and efficiency in various lighting applications.

How Does CAT4238TD-GT3 Work?

The CAT4238TD-GT3 works by regulating the current flowing through connected LEDs to maintain a constant brightness level. It utilizes a feedback mechanism to adjust the output current based on variations in the LED forward voltage, ensuring consistent illumination. The driver allows for dimming control and is ideal for automotive, industrial, and general lighting applications.

How Many Pins does CAT4238TD-GT3 have and What are the Functions of the Pinout Configuration?

The CAT4238TD-GT3 is housed in a 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VDD: Power supply pin.
GND: Ground pin.
SET: Current-setting pin for adjusting the output current.
ADJ: Dimming control pin for brightness adjustment.
OUT1-OUT4: Output pins for connecting LEDs.
SNS: Sense pin for feedback and current regulation.

What are the Pros and Cons of CAT4238TD-GT3?

Pros:

Constant Current: Ensures uniform brightness and efficiency of connected LEDs.
Dimming Control: Allows for brightness adjustment and dimming functionality.
High Precision: Provides accurate current regulation for consistent LED performance.
Thermal Protection: Includes thermal shutdown protection to prevent overheating.
Compact Package: The 8-pin SOIC package offers space-efficient integration into lighting designs.

Cons:

Limitations on Voltage Range: May have constraints on the input voltage range for LED operation.
External Components: Additional external components may be required for specific LED configurations or features.
Application Specific: Primarily suited for LED driving applications and may not be versatile for other purposes.

Are There Any Equivalents/Alternatives to CAT4238TD-GT3 for Recommendation?

The AL5814 from Diodes Incorporated is an equivalent constant-current LED driver with similar features.
Alternatives to the CAT4238TD-GT3 include the LM3409 from Texas Instruments and the MP5025 from Monolithic Power Systems.