Name: LT1939IDD
Brand: Linear Technology
SKU: LT1939IDD
Availability: InStock
Rating: 5 (97 reviews)

LT1939IDD

For Reference Only

Part Number	LT1939IDD
Manufacturer	Linear Technology
Description	IC REG DL BUCK/LINEAR 12DFN
Datasheet	LT1939IDD Specifications
Package	12-WFDFN Exposed Pad
ECAD
In Stock	3,888 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 14 - Jun 19 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # LT1939IDD (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 LT1939IDD specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LT1939IDD with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LT1939IDD.

LT1939IDD 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)

LT1939IDD Reviews

Lyl*****ell

April 2, 2023

★ ★ ★ ★ ★

Arrived as described and well packaged. Sent very quickly after payment.

Jac*****enon

April 1, 2023

★ ★ ★ ★ ★

Awesome!!! great prices, easy to order and great service, thank you!

Marga*****endrix

March 26, 2023

★ ★ ★ ★ ★

Good seller, incredible reliable.Item as described. Very professional

Ali*****trong

March 26, 2023

★ ★ ★ ★ ★

Fantastic transaction, very fast delivery. Highly recommended. Thank you.

Marco*****nolds

March 20, 2023

★ ★ ★ ★ ★

Didn’t need so many but it was cheap. I did have to solder extra wire on each end to make fit better but exactly you need of your looking for this particular mod.

Por***** Lata

February 21, 2023

★ ★ ★ ★ ★

I bought this for myself, and liked it so much. I also bought one for a friend.

Fran***** Marsh

February 20, 2023

★ ★ ★ ★ ★

Good service, and great value for money I am pleased with the item of LT1939IDD.

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LT1939IDD Packaging

LT1939IDD FAQ

1. How to order LT1939IDD 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 LT1939IDD is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LT1939IDD. All suppliers must pass our qualification reviews before they can publish their products including LT1939IDD on Heisener; we pay more attention to the channels and quality of LT1939IDD products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LT1939IDD price and inventory displayed accurate?

The price and inventory of LT1939IDD 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 LT1939IDD?

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 LT1939IDD we delivered, we will accept the replacement or return of the LT1939IDD 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 LT1939IDD.

(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 LT1939IDD pin diagram, LT1939IDD datasheet?

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

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LT1939IDD 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

LT1939IDD#TRPBF

D# V36:1790_06419006

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

LT1939IDD#PBF

D# V36:1790_06419003

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

LT1939IDD#TRPBF

Linear Technology

DC TO DC CONVERTER AND SWITCHING REGULATOR CHIP

LT1939IDD#PBF

Linear Technology

IC REG DL BUCK/LINEAR 12DFN

Part Number	Manufacturer	Description	Stock
LT1939IDD#PBF D# LT1939IDD#PBF-ND	Analog Devices Inc	IC REG DL BUCK/LINEAR 12DFN	0
LT1939IDD#TRPBF D# LT1939IDD#TRPBF-ND	Analog Devices Inc	IC REG DL BUCK/LINEAR 12DFN	0
LT1939IDD D# LT1939IDD-ND	Analog Devices Inc	IC REG DL BUCK/LINEAR 12DFN	0

Part Number

Manufacturer

Description

Stock

LT1939IDD#PBF

Linear Technology

In stock shipping within 2days

1050

Part Number

Manufacturer

Description

Stock

LT1939IDDPBF

N/A

OEM/CM QUOTES ONLY | NO BROKERS

3045

Part Number	Manufacturer	Description	Stock
LT1939IDDTRPBF	Linear Technology	OEM/CM ONLY	1161
LT1939IDD	Linear Technology	OEM/CM ONLY	1159
LT1939IDDPBF	Linear Technology	OEM/CM ONLY	1160

Part Number

Manufacturer

Description

Stock

LT1939IDD#PBF

D# NS-LT1939IDD#PBF

Linear Technology

OEM/CM ONLY

7156

LT1939IDD#TRPBF

D# NS-LT1939IDD#TRPBF

Linear Technology

OEM/CM ONLY

6416

Part Number

Manufacturer

Description

Stock

LT1939IDD#PBF

D# LT1939IDD#PBF

Analog Devices Inc

VOLTAGE REGULATOR

RoHS: Compliant

LT1939IDD#TRPBF

D# LT1939IDD#TRPBF

Analog Devices Inc

VOLTAGE REGULATOR

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LT1939IDDPBF

Linear Technology

OEM/CM ONLY

2636

Part Number

Manufacturer

Description

Stock

LT1939IDD#PBF

D# 35242531

Analog Devices Inc

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

RoHS: Compliant

Quick Inquiry

LT1939IDD

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

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