Name: LT1939EDD
Brand: Linear Technology
SKU: LT1939EDD
Availability: InStock
Rating: 5 (98 reviews)

LT1939EDD

For Reference Only

Part Number	LT1939EDD
Manufacturer	Linear Technology
Description	IC REG DL BUCK/LINEAR 12DFN
Datasheet	LT1939EDD Specifications
Package	12-WFDFN Exposed Pad
ECAD
In Stock	6,672 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 1 - May 6 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # LT1939EDD (PMIC - Voltage Regulators - Linear + Switching) is manufactured by Linear Technology and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For LT1939EDD specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LT1939EDD with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LT1939EDD.

LT1939EDD Specifications

Manufacturer	Linear Technology
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - Linear + Switching
Package	12-WFDFN Exposed Pad
ECAD
Series	-
Topology	Step-Down (Buck) (1), Linear (LDO) (1)
Function	-
Number of Outputs	2
Frequency - Switching	500kHz ~ 2.4MHz
Voltage/Current - Output 1	0.8 V ~ 24.25 V, 2A
Voltage/Current - Output 2	0.8 V ~ 24.25 V, 1A
Voltage/Current - Output 3	-
w/LED Driver	No
w/Supervisor	No
w/Sequencer	No
Voltage - Supply	3 V ~ 25 V
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	12-WFDFN Exposed Pad
Supplier Device Package	12-DFN (3x3)

LT1939EDD Reviews

Henr*****leming

April 3, 2023

★ ★ ★ ★ ★

Excellent website experience for search any product I want, problem solvers. You guys I can trust and reply on.

Mark*****derick

March 24, 2023

★ ★ ★ ★ ★

You guys and girls I can trust and rely on. Thank You All!

Josi*****ements

March 24, 2023

★ ★ ★ ★ ★

These are the most popular variety of components of different types!

Demetr*****llegos

March 18, 2023

★ ★ ★ ★ ★

I've placed many orders from Heisener . I have never had an error with any order, the order has always went out the same day, and the items are always well packaged.

Ryk*****Welch

March 14, 2023

★ ★ ★ ★ ★

Purchasing from Heisener means the real part is obtained no worried for product quality.

Jue*****Curry

March 14, 2023

★ ★ ★ ★ ★

quick delivery, received with well packaged, exactly as listed - Thanks

Juli*****lindo

March 11, 2023

★ ★ ★ ★ ★

Great deal, immediate response and very quick delivery!

Col***** Paul

February 27, 2023

★ ★ ★ ★ ★

Fast shipping. Got it in few dayss from Hong Kong

Write a Review

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LT1939EDD Packaging

LT1939EDD FAQ

1. How to order LT1939EDD on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that LT1939EDD is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LT1939EDD. All suppliers must pass our qualification reviews before they can publish their products including LT1939EDD on Heisener; we pay more attention to the channels and quality of LT1939EDD products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LT1939EDD price and inventory displayed accurate?

The price and inventory of LT1939EDD fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of LT1939EDD?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LT1939EDD we delivered, we will accept the replacement or return of the LT1939EDD only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LT1939EDD.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as LT1939EDD pin diagram, LT1939EDD datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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LT1939EDD Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

LT1939EDD#TRPBF

D# V36:1790_06419002

Analog Devices Inc

Conv DC-DC 3V to 25V Step Down Single-Out 0.8V 2A Automotive 12-Pin DFN EP T/R

RoHS: Compliant

LT1939EDD#PBF

D# V36:1790_06418999

Analog Devices Inc

Conv DC-DC 3V to 25V Step Down Single-Out 0.8V 2A Automotive 12-Pin DFN EP Tube

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LT1939EDD#TRPBF

Linear Technology

DC TO DC CONVERTER AND SWITCHING REGULATOR CHIP

LT1939EDD#PBF

Linear Technology

IC REG DL BUCK/LINEAR 12DFN

360

Part Number	Manufacturer	Description	Stock
DC1293A D# DC1293A-ND	Analog Devices Inc	LT1939EDD - MONOLITHIC 2A STEP-D	0
LT1939EDD#TRPBF D# LT1939EDD#TRPBF-ND	Analog Devices Inc	IC REG DL BUCK/LINEAR 12DFN	0
LT1939EDD#PBF D# LT1939EDD#PBF-ND	Analog Devices Inc	IC REG DL BUCK/LINEAR 12DFN	116
LT1939EDD D# LT1939EDD-ND	Analog Devices Inc	IC REG DL BUCK/LINEAR 12DFN	0

Part Number

Manufacturer

Description

Stock

LT1939EDD#PBF

Linear Technology

In stock shipping within 2days

1100

Part Number

Manufacturer

Description

Stock

LT1939EDD#PBF

D# 1628758

Linear Technology

SWITCH REG, 2A, STEP DOWN, 12DFN

RoHS: Compliant

Min Qty: 1

Container: Each

Part Number	Manufacturer	Description	Stock
LT1939EDDPBF	Analog Devices Inc	OEM/CM QUOTES ONLY \| NO BROKERS	259
LT1939EDDTRPBF	N/A	OEM/CM QUOTES ONLY \| NO BROKERS	3622
LT1939EDDTRPBFIDD	Linear Technology	OEM/CM QUOTES ONLY \| NO BROKERS	3422
LT1939EDD	LINEAR TECHNOLOGY	OEM/CM QUOTES ONLY \| NO BROKERS	101
LT1939EDDPBFID	Linear Technology	OEM/CM QUOTES ONLY \| NO BROKERS	304

Part Number	Manufacturer	Description	Stock
LT1939EDDTRPBF	Linear Technology	OEM/CM ONLY	1157
LT1939EDDTRPBFIDD	Linear Technology	OEM/CM ONLY	1158
LT1939EDDPBFI	Linear Technology	OEM/CM ONLY	1100
LT1939EDDPBFID	Linear Technology	OEM/CM ONLY	1156
LT1939EDD	Linear Technology	OEM/CM ONLY	1154
LT1939EDDPBF	Linear Technology	OEM/CM ONLY	1089

Part Number

Manufacturer

Description

Stock

LT1939EDD#TRPBF

D# NS-LT1939EDD#TRPBF

Linear Technology

OEM/CM ONLY

4743

LT1939EDD#PBF

D# NS-LT1939EDD#PBF

Linear Technology

OEM/CM ONLY

4132

Part Number	Manufacturer	Description	Stock
LT1939EDD#TRPBF D# LT1939EDD#TRPBF	Analog Devices Inc	VOLTAGE REGULATOR RoHS: Compliant	0
DC1293A D# DC1293A	Analog Devices Inc	LINEAR ICS - EVALUATION BOARD RoHS: Compliant	0
LT1939EDD#PBF D# LT1939EDD#PBF	Analog Devices Inc	VOLTAGE REGULATOR RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
LT1939EDDPBF/ID	Linear Technology	OEM/CM ONLY	273
LT1939EDDPBF	Linear Technology	OEM/CM ONLY	137
LT1939EDDTRPBF	Linear Technology	OEM/CM ONLY	593
LT1939EDD	Linear Technology	OEM/CM ONLY	103
LT1939EDDTRPBF/IDD	Linear Technology	OEM/CM ONLY	2961

Part Number

Manufacturer

Description

Stock

LT1939EDD#PBF

D# 35213173

Analog Devices Inc

Conv DC-DC 3V to 25V Step Down Single-Out 0.8V 2A Automotive 12-Pin DFN EP Tube

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LT1939EDD#PBF

Linear Technology

RFQ

14912

LT1939EDD

Linear Technology

RFQ

7107

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LT1939EDD

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