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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearL4937N
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L4937N - STMicroelectronics

Manufacturer Part Number
L4937N
Manufacturer
STMicroelectronics
Allelco Part Number
32D-L4937N
ECAD Model
Parts Description
IC REG LIN 5V 7HEPTAWATT
Package
Heptawatt-7 (Vertical, Bent and Staggered Leads)
Data sheet
L4937N.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 5250

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Specifications

L4937N Tech Specifications
STMicroelectronics - L4937N technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - L4937N

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage Dropout (Max) 0.4V @ 50mA, 0.6V @ 500mA  
Voltage - Output (Min/Fixed) 5V, Tracking  
Voltage - Output (Max) -  
Voltage - Input (Max) 25V  
Supplier Device Package 7-HEPTAWATT  
Series -  
Protection Features Over Temperature, Short Circuit  
Package / Case Heptawatt-7 (Vertical, Bent and Staggered Leads)  
Package Tube  
Product Attribute Attribute Value  
PSRR -  
Output Type Fixed  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C  
Number of Regulators 2  
Mounting Type Through Hole  
Current - Output 50mA, 500mA  
Control Features Enable, Reset  
Base Product Number L4937  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

L4937N

Manufacturer

stmicroelectronics

Introduction

The L4937N is a dual positive voltage regulator with fixed and tracking outputs. It provides a stable and reliable power supply solution for a wide range of electronic devices and applications.

Product Features and Performance

Two independent voltage regulators in a single package

Fixed 5V output and tracking output

Low dropout voltage of 0.4V at 50mA and 0.6V at 500mA

Output current up to 50mA and 500mA

Overtemperature and short-circuit protection

Product Advantages

Compact and space-saving design

Efficient power regulation with low dropout voltage

Robust protection features for reliable operation

Suitable for a wide range of applications

Key Reasons to Choose This Product

Provides dual regulated power supply in a single package

Excellent performance and reliability for critical applications

Cost-effective solution for power management needs

Backed by the trusted STMicroelectronics brand

Quality and Safety Features

Designed and manufactured to high-quality standards

Overtemperature and short-circuit protection for safety

Compatibility

Compatible with a variety of electronic devices and systems

Application Areas

Suitable for a wide range of applications, including consumer electronics, industrial equipment, and more

Product Lifecycle

The L4937N is an obsolete product, and there may be equivalent or alternative models available. Customers are advised to contact our website's sales team for more information on current product offerings and potential replacement options.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics L4937N

Product Attribute L4937N L4940D2M5-TR L4938ED013TR L4931CZ33
Part Number L4937N L4940D2M5-TR L4938ED013TR L4931CZ33
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Current - Output 50mA, 500mA 1.5A 100mA, 400mA 250mA
Voltage - Input (Max) 25V 17V 28V 20V
Voltage - Output (Max) - - 5.1V -
Control Features Enable, Reset - Enable, Reset -
Package / Case Heptawatt-7 (Vertical, Bent and Staggered Leads) TO-263-3, D²Pak (2 Leads + Tab), TO-263AB 20-SOIC (0.295', 7.50mm Width) TO-226-3, TO-92-3 (TO-226AA)
Output Type Fixed Fixed Adjustable (Fixed) Fixed
Base Product Number L4937 L4940 L4938 L4931
Protection Features Over Temperature, Short Circuit Over Temperature, Reverse Polarity, Short Circuit Over Temperature Over Current, Over Temperature
Voltage - Output (Min/Fixed) 5V, Tracking 5V 4.9V (5V) 3.3V
Mounting Type Through Hole Surface Mount Surface Mount Through Hole
Voltage Dropout (Max) 0.4V @ 50mA, 0.6V @ 500mA 0.9V @ 1.5A 0.4V @ 100mA, 0.6V @ 400mA 0.8V @ 250mA
Package Tube Tape & Reel (TR) Tape & Reel (TR) Bulk
Operating Temperature -40°C ~ 125°C -40°C ~ 150°C -40°C ~ 150°C -40°C ~ 125°C
Output Configuration Positive Positive Positive Positive
Number of Regulators 2 1 2 1
PSRR - 68dB (120Hz) - 73dB ~ 55dB (120Hz ~ 10kHz)
Supplier Device Package 7-HEPTAWATT D2PAK 20-SO TO-92-3
Series - - - -

L4937N Datasheet PDF

Download L4937N pdf datasheets and STMicroelectronics documentation for L4937N - STMicroelectronics.

HTML Datasheet
L4937N.pdf

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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L4937N

STMicroelectronics
32D-L4937N

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