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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearL4947L
L4947L Image
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L4947L - STMicroelectronics

Manufacturer Part Number
L4947L
Manufacturer
STMicroelectronics
Allelco Part Number
32D-L4947L
ECAD Model
Parts Description
IC REG LIN 5V 500MA 5PENTAWATT
Package
Pentawatt-5 (Vertical, Bent and Staggered Leads)
Data sheet
L4947(R).pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 15720

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Specifications

L4947L Tech Specifications
STMicroelectronics - L4947L technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - L4947L

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage Dropout (Max) 0.75V @ 500mA  
Voltage - Output (Min/Fixed) 5V  
Voltage - Output (Max) -  
Voltage - Input (Max) 26V  
Supplier Device Package 5-PENTAWATT  
Series -  
Protection Features Over Temperature, Reverse Polarity, Short Circuit  
Package / Case Pentawatt-5 (Vertical, Bent and Staggered Leads)  
Package Tube  
PSRR 60dB (120Hz)  
Product Attribute Attribute Value  
Output Type Fixed  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C  
Number of Regulators 1  
Mounting Type Through Hole  
Current - Supply (Max) 180 mA  
Current - Quiescent (Iq) 13 mA  
Current - Output 500mA  
Control Features Reset  
Base Product Number L4947  

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

L4947L

Manufacturer

stmicroelectronics

Introduction

The L4947L is a positive fixed-voltage linear low dropout (LDO) regulator from STMicroelectronics. It is designed to provide a regulated 5V output from an input voltage of up to 26V, making it suitable for a wide range of applications.

Product Features and Performance

Output current of up to 500mA

Voltage dropout of 0.75V at 500mA

Quiescent current of 13mA

Supply current up to 180mA

Power Supply Rejection Ratio (PSRR) of 60dB at 120Hz

Reset control feature

Over-temperature, reverse polarity, and short-circuit protection

Product Advantages

Wide input voltage range of up to 26V

Compact Pentawatt-5 package

Excellent line and load regulation

Thermal overload and short-circuit protection

Key Reasons to Choose This Product

Reliable and robust performance

Versatile input voltage range

Compact and space-saving design

Comprehensive protection features

Quality and Safety Features

Designed and manufactured to high quality standards

Thermal overload and short-circuit protection

Compatibility

Through-hole Pentawatt-5 package

Application Areas

Suitable for a wide range of applications, including industrial, automotive, and consumer electronics where a regulated 5V supply is required.

Product Lifecycle

The L4947L is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available. Customers are advised to contact our website's sales team for more information on available options.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics L4947L

Product Attribute L4947L L4949D L4949DR2 L4949ED
Part Number L4947L L4949D L4949DR2 L4949ED
Manufacturer STMicroelectronics onsemi onsemi STMicroelectronics
Voltage - Output (Max) - - - -
Output Configuration Positive Positive Positive Positive
Voltage - Output (Min/Fixed) 5V 5V 5V 5V
Mounting Type Through Hole Surface Mount Surface Mount Surface Mount
Package / Case Pentawatt-5 (Vertical, Bent and Staggered Leads) 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Voltage - Input (Max) 26V 28V 28V 28V
Protection Features Over Temperature, Reverse Polarity, Short Circuit Over Temperature, Short Circuit Over Temperature, Short Circuit Over Temperature, Short Circuit
Package Tube Tube Tape & Reel (TR) Tube
Output Type Fixed Fixed Fixed Fixed
Current - Output 500mA 100mA 100mA 100mA
Current - Supply (Max) 180 mA 5 mA 5 mA 5 mA
Control Features Reset Reset Reset Reset Output
Supplier Device Package 5-PENTAWATT 8-SOIC 8-SOIC 8-SOIC
Current - Quiescent (Iq) 13 mA 260 µA 260 µA 300 µA
Series - - - -
PSRR 60dB (120Hz) - - -
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Number of Regulators 1 1 1 1
Voltage Dropout (Max) 0.75V @ 500mA 0.5V @ 100mA 0.5V @ 100mA 0.5V @ 100mA
Base Product Number L4947 L49 L49 L4949

L4947L Datasheet PDF

Download L4947L pdf datasheets and STMicroelectronics documentation for L4947L - STMicroelectronics.

Datasheets
L4947(R).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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L4947L

STMicroelectronics
32D-L4947L

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