Name: LT3991IDD#PBF
Brand: Linear Technology
SKU: LT3991IDD-PBF
Availability: InStock
Rating: 5 (143 reviews)

LT3991IDD#PBF

For Reference Only

Part Number	LT3991IDD#PBF
Manufacturer	Linear Technology
Description	IC REG BUCK ADJ 1.2A 10DFN
Datasheet	LT3991IDD#PBF Specifications
Package	10-WFDFN Exposed Pad
ECAD
In Stock	9,276 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 18 - May 23 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # LT3991IDD#PBF (PMIC - Voltage Regulators - DC DC Switching Regulators) 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 LT3991IDD#PBF specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LT3991IDD#PBF with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LT3991IDD#PBF.

LT3991IDD#PBF Specifications

Manufacturer	Linear Technology
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Regulators
Package	10-WFDFN Exposed Pad
ECAD
Series	-
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Adjustable
Number of Outputs	1
Voltage - Input (Min)	4.3V
Voltage - Input (Max)	55V
Voltage - Output (Min/Fixed)	1.19V
Voltage - Output (Max)	30V
Current - Output	1.2A
Frequency - Switching	200kHz ~ 2MHz
Synchronous Rectifier	No
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	10-WFDFN Exposed Pad
Supplier Device Package	10-DFN (3x3)

LT3991IDD#PBF Reviews

Lilly*****rajan

March 14, 2023

★ ★ ★ ★ ★

Great price. Worked well for my needs.

Dieg*****poor

March 9, 2023

★ ★ ★ ★ ★

2nd time buying these - quite good. Very fast shipping

Shepa*****mirez

March 7, 2023

★ ★ ★ ★ ★

The specs range is wide for a selection and the customer service is great.

Lou*****Wells

February 23, 2023

★ ★ ★ ★ ★

You get the most update products online. You always give me the best choice.

Write a Review

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LT3991IDD#PBF Packaging

LT3991IDD#PBF FAQ

1. How to order LT3991IDD#PBF 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 LT3991IDD#PBF is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LT3991IDD#PBF. All suppliers must pass our qualification reviews before they can publish their products including LT3991IDD#PBF on Heisener; we pay more attention to the channels and quality of LT3991IDD#PBF products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LT3991IDD#PBF price and inventory displayed accurate?

The price and inventory of LT3991IDD#PBF 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 LT3991IDD#PBF?

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 LT3991IDD#PBF we delivered, we will accept the replacement or return of the LT3991IDD#PBF 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 LT3991IDD#PBF.

(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 LT3991IDD#PBF pin diagram, LT3991IDD#PBF datasheet?

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

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LT3991IDD#PBF 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

LT3991IDD#PBF

D# V99:2348_06430343

Analog Devices Inc

Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A Automotive 10-Pin DFN EP Tube

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LT3991IDD#PBF

Linear Technology

Part Number

Manufacturer

Description

Stock

LT3991IDD#PBF

Linear Technology

BUCK, 55V, 1.2A, 2MHZ, 10DFN

322

Part Number

Manufacturer

Description

Stock

LT3991IDD#PBF

D# LT3991IDD#PBF-ND

Analog Devices Inc

IC REG BUCK ADJ 1.2A 10DFN

590

Part Number

Manufacturer

Description

Stock

LT3991IDD#PBF

D# 2294972

Linear Technology

SWITCHING REG, BUCK, 1.2A, DFN-10

RoHS: Compliant

Min Qty: 1

Container: Each

Part Number

Manufacturer

Description

Stock

LT3991IDDPBF

Analog Devices Inc

OEM/CM QUOTES ONLY | NO BROKERS

855

Part Number

Manufacturer

Description

Stock

LT3991IDDPBF

Linear Technology

OEM/CM ONLY

1245

Part Number

Manufacturer

Description

Stock

LT3991IDD#PBF

Linear Technology

In stock

Part Number

Manufacturer

Description

Stock

LT3991IDD#PBF

D# 584-LT3991IDD#PBF

Analog Devices Inc

Switching Voltage Regulators 55V, 1.2A, 2MHz Step-Down Regulator with 2.8uA Quiescent Current

RoHS: Compliant

244

Part Number

Manufacturer

Description

Stock

LT3991IDD#PBF

D# NS-LT3991IDD#PBF

Linear Technology

OEM/CM ONLY

4995

Part Number

Manufacturer

Description

Stock

LT3991IDD#PBF

D# LT3991IDD#PBF

Analog Devices Inc

DC TO DC CONVERTER

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LT3991IDDPBF

Linear Technology

OEM/CM ONLY

Part Number

Manufacturer

Description

Stock

LT3991IDD#PBF

D# 40098454

Analog Devices Inc

Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A Automotive 10-Pin DFN EP Tube

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LT3991IDD#PBF

Linear Technology

RFQ

13192

Quick Inquiry

LT3991IDD#PBF

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