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L5991AD

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Part Number	L5991AD
Manufacturer	STMicroelectronics
Description	IC REG CTRLR FLYBACK 16SO
Datasheet	L5991AD Datasheet L5991AD Specifications
Package	16-SOIC (0.154", 3.90mm Width)
In Stock	150,636 piece(s)
Unit Price	$ 2.7990 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 7 - Apr 12 (Choose Expedited Shipping)
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Part Number # L5991AD (PMIC - Voltage Regulators - DC DC Switching Controllers - Integrated-Circuits-ICs) is manufactured by STMicroelectronics and distributed by Top Components. 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 L5991AD Integrated-Circuits-ICs/PMIC - Voltage Regulators - DC DC Switching Controllers , quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add L5991AD with quantity into BOM. Top Components.com does NOT require any registration to request a quote of L5991AD.

L5991AD Specifications

Manufacturer	STMicroelectronics
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Controllers
Package	16-SOIC (0.154", 3.90mm Width)
Manufacturer	STMicroelectronics
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Controllers
Package	16-SOIC (0.154", 3.90mm Width)
Series	-
Output Type	Transistor Driver
Function	Step-Up/Step-Down
Output Configuration	Positive, Isolation Capable
Topology	Flyback
Number of Outputs	1
Output Phases	1
Voltage - Supply (Vcc/Vdd)	7.6 V ~ 20 V
Frequency - Switching	Up to 1MHz
Duty Cycle (Max)	93%
Synchronous Rectifier	Yes
Clock Sync	No
Serial Interfaces	-
Control Features	Current Limit, Frequency Control, Soft Start
Operating Temperature	-40°C ~ 150°C (TJ)
Package / Case	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package	16-SO

L5991AD Datasheet

L5991AD Reviews

Lil*****n Kim

March 31, 2023

★ ★ ★ ★ ★

These are great for projects with the kids or doing any type of DIY projects. The case is nice to keep everything separated. Very nice.

Juni*****ilcox

March 26, 2023

★ ★ ★ ★ ★

You guys and girls are fantastic! The selection is fantastic and service is great.

Branso*****kenship

March 21, 2023

★ ★ ★ ★ ★

FAST POSTING TOP CONDITION RECORD HAVE A GREAT CHRISTMAS

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L5991AD FAQ

1. How to order L5991AD on Top Components?

Currently, Top Components 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 Top Components guarantee that L5991AD is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the L5991AD. All suppliers must pass our qualification reviews before they can publish their products including L5991AD on Top Components; we pay more attention to the channels and quality of L5991AD products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the L5991AD price and inventory displayed accurate?

The price and inventory of L5991AD 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 L5991AD?

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 L5991AD we delivered, we will accept the replacement or return of the L5991AD 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 L5991AD.

(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 L5991AD pin diagram, L5991AD datasheet?

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

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L5991AD 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
L5991AD 16-SOIC (0.154", 3.90mm Width)	STMicroelectronics	IC REG CTRLR FLYBACK 16SO	150,636

Part Number

Manufacturer

Description

Stock

L5991AD

16-SOIC (0.154", 3.90mm Width)

STMicroelectronics

IC REG CTRLR FLYBACK 16SO

150,636

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L5991AD

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