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Home Products Integrated Circuits (ICs)PMIC - Voltage Regulators - Linear~~TPS79942DDCT~~

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TPS79942DDCT - Texas Instruments

Name: Texas Instruments TPS79942DDCT
Brand: Texas Instruments
SKU: TPS79942DDCT
Availability: InStock
Rating: 5 (9 reviews)

Manufacturer Part Number: TPS79942DDCT

Manufacturer: Texas Instruments

Allelco Part Number: 32D-TPS79942DDCT

Warranty: 1 Year Allelco Warranty - Find out more

Parts Description: IC REG LINEAR 4.2V 200MA SOT23-5

Package: SOT-23-THIN

Data sheet: 1.TPS79942DDCT.pdf ...

PCN Assembly/Origin
Mult Dev A/T Chgs 30/Mar/2023.pdf

PCN Design/Specification
TPS799x 16/Mar/2022.pdf

RoHs Status: ROHS3 Compliant

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Specifications

TPS79942DDCT Tech Specifications
Texas Instruments - TPS79942DDCT technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS79942DDCT

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
Voltage Dropout (Max)	0.16V @ 200mA
Voltage - Output (Min/Fixed)	4.2V
Voltage - Output (Max)	-
Voltage - Input (Max)	6.5V
Supplier Device Package	SOT-23-THIN
Series	-
Protection Features	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Package / Case	SOT-23-5 Thin, TSOT-23-5
Package	Tape & Reel (TR)

Product Attribute	Attribute Value
PSRR	70dB ~ 38dB (100Hz ~ 100kHz)
Output Type	Fixed
Output Configuration	Positive
Operating Temperature	-40°C ~ 125°C
Number of Regulators	1
Mounting Type	Surface Mount
Current - Quiescent (Iq)	60 µA
Current - Output	200mA
Control Features	Enable
Base Product Number	TPS79942

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Parts Introduction

Manufacturer Part Number

TPS79942DDCT

Manufacturer

Texas Instruments

Introduction

The TPS79942DDCT is a high-performance, low-dropout (LDO) linear voltage regulator from Texas Instruments. It is designed to provide a stable and regulated output voltage from a wide range of input voltages, making it suitable for a variety of applications.

Product Features and Performance

Output voltage: 4.2V (fixed)

Input voltage range: up to 6.5V

Output current: 200mA

Low quiescent current: 60 µA

High power supply rejection ratio (PSRR): 70dB ~ 38dB (100Hz ~ 100kHz)

Fast transient response

Small footprint: SOT-23-5 Thin, TSOT-23-5 package

Product Advantages

Compact and space-saving design

Stable and reliable output voltage

Efficient power management with low quiescent current

Excellent PSRR for noise rejection

Key Reasons to Choose This Product

Optimal performance for power-sensitive applications

Reliable and consistent operation over a wide range of input voltages

Robust protection features for enhanced safety and reliability

Versatile compatibility with various electronic devices and systems

Quality and Safety Features

Over-current protection

Over-temperature protection

Reverse polarity protection

Under-voltage lockout (UVLO) feature

Compatibility

Suitable for a wide range of electronic devices and systems that require a stable and regulated output voltage

Application Areas

Portable electronics

Wireless communication devices

Industrial control systems

Automotive electronics

Battery-powered applications

Product Lifecycle

The TPS79942DDCT is an active product, and there are no plans for discontinuation. There may be equivalent or alternative models available. Customers are advised to contact our website's sales team for the latest information on product availability and recommendations.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS79942DDCT

Product Attribute
Part Number	TPS79942DDCRG4	TPS79942DDCR	TPS79933QDDCRQ1	TPS79933DRVT
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Protection Features	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Voltage Dropout (Max)	-	-	-	-
Voltage - Output (Min/Fixed)	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Series	-	-	-	-
Control Features	-	-	-	-
Current - Output	-	-	-	-
Voltage - Output (Max)	-	-	-	-
Output Configuration	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Voltage - Input (Max)	-	-	-	-
Number of Regulators	-	-	-	-
Current - Quiescent (Iq)	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Output Type	-	Current - Unbuffered	Voltage - Buffered	-
PSRR	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42

TPS79942DDCT Datasheet PDF

Download TPS79942DDCT pdf datasheets and Texas Instruments documentation for TPS79942DDCT - Texas Instruments.

PCN Assembly/Origin: Mult Dev A/T Chgs 30/Mar/2023.pdf
PCN Design/Specification: TPS799x 16/Mar/2022.pdf

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Customer Reviews

Evaluation: 10 Articles

Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.
Kevi***.

Mar 17, 2026

Fast switching and stable output. Very satisfied with this IC
Daou***hekebkeb

Jun 16, 2024

I had a great experience purchasing items from Allelcoelec, I recommend
Uri ***al

Jun 19, 2024

Good comunication,
Transpnt regarding the process and price.
Yaqu***l Ali

Jun 19, 2024

Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.
Lea ***

Jun 19, 2024

Morrey was very helpful and right on top of things!
He replied quickly to my RFQ. He was very courteous and professional.

Write a Review

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

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Contact us if you have any questions.

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+00852 9146 4856
Email
info@allelco.com

Certifications & Memberships

TPS79942DDCT

Texas Instruments
32D-TPS79942DDCT

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Please refer to the English Version as our Official Version.Return

TPS79942DDCT - Texas Instruments

Specifications

Environmental & Export Classifications

Parts Introduction

Manufacturer Part Number

Manufacturer

Introduction

Product Features and Performance

Product Advantages

Key Reasons to Choose This Product

Quality and Safety Features

Compatibility

Application Areas

Product Lifecycle

Parts with Similar Specifications

TPS79942DDCT Datasheet PDF

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

Very good. No issue after long time testing.

Fast switching and stable output. Very satisfied with this IC

I had a great experience purchasing items from Allelcoelec, I recommend

Good comunication,Transpnt regarding the process and price.

Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

Morrey was very helpful and right on top of things!He replied quickly to my RFQ. He was very courteous and professional.

Write a Review

Shipment

Delivery Time

Delivery Cost

Delivery Method

Payment Support

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

Certifications & Memberships

TPS79942DDCT

Shopping cart (0 Items)

Compare List (0 Items)

Feedback

Please refer to the English Version as our Official Version.

Good comunication,
Transpnt regarding the process and price.

Morrey was very helpful and right on top of things!
He replied quickly to my RFQ. He was very courteous and professional.