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HomeProductsIntegrated Circuits (ICs)Specialized ICsL5991A
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See specifications for product details.

L5991A -

Manufacturer Part Number
L5991A
Manufacturer
Allelco Part Number
53D-L5991A
ECAD Model
Parts Description
-
Detailed Description
Data sheet
L5991A.pdf
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
Out stock

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Quantity

Specifications

L5991A Tech Specifications
- L5991A technical specifications, attributes, parameters and parts with similar specifications to - L5991A

Product Attribute Attribute Value  
Part Number L5991A  
Package -  
Description -  
Stock Condition Get 0 pcs available quantity at Allelco  
Payment PayPal / TT / Credit Card / Western Union  
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000  
Product Attribute Attribute Value  
Manufacturer -  
RoHs Status -  
Warranty 100% Perfect Functions  
Transport port Hong Kong  
Shipping by DHL / FedEx / UPS / TNT / SF Express  
RFQ Email  

Parts Introduction

Manufacturer Part Number

L5991A

Manufacturer

stmicroelectronics

Introduction

The L5991A is a high-performance, high-efficiency, and highly integrated step-up/step-down DC-DC switching controller from STMicroelectronics. It is designed to provide a regulated output voltage from an unregulated input voltage source, making it suitable for a wide range of power supply applications.

Product Features and Performance

Operates from an input voltage range of 7.6V to 20V

Provides up to 1MHz switching frequency

Supports a maximum duty cycle of 93%

Includes a synchronous rectifier for improved efficiency

No clock synchronization required

Offers current limiting, frequency control, and soft-start features

Operates over a wide temperature range of -40°C to 150°C (junction temperature)

Available in a 16-pin DIP package

Product Advantages

High efficiency and power density

Wide input voltage range

Flexible topologies (step-up, step-down, and isolation-capable)

Advanced control features for enhanced performance and reliability

Robust thermal management capabilities

Key Reasons to Choose the L5991A

Exceptional power conversion efficiency

Versatile design for various power supply applications

Reliable operation across a broad temperature range

Comprehensive protection and control features

Space-saving through-hole package

Quality and Safety Features

Robust design for industrial and automotive environments

Thermal protection and current limiting for safe operation

Compliance with relevant safety and EMC standards

Compatibility

The L5991A is a general-purpose DC-DC switching controller suitable for a wide range of power supply designs, including industrial, automotive, and consumer electronics applications.

Application Areas

Industrial automation and control systems

Automotive electronics and power management

Telecommunications and networking equipment

Consumer electronics and household appliances

Product Lifecycle

The L5991A is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from STMicroelectronics or other manufacturers. Customers are advised to contact our website's sales team for more information on current product offerings and suitable replacement options.

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

  1. Use your express account for shipment if you have one.
  2. 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

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. 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
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
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.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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L5991A


53D-L5991A

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