LM3940IT-3.3
- Mfr.Part #
- LM3940IT-3.3
- Manufacturer
- Texas Instruments
- Package / Case
- TO-220-3
- Datasheet
- Download
- Description
- IC REG LINEAR 3.3V 1A TO220-3
- Stock
- 15,462
- In Stock :
- 15,462
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- Voltage Regulators - Linear
- Output Type :
- FIXED
- Pin Count :
- 3
- Dropout Voltage1-Nom :
- 0.31V
- Quiescent Current :
- 15mA
- Mounting Type :
- Through Hole
- RoHS Status :
- Non-RoHS Compliant
- Dropout Voltage :
- 110mV
- Package / Case :
- TO-220-3
- Voltage - Input (Max) :
- 7.5V
- REACH SVHC :
- No SVHC
- Number of Pins :
- 3
- Base Part Number :
- LM3940
- Thickness :
- 4.572mm
- Length :
- 14.986mm
- Number of Terminations :
- 3
- Height :
- 4.7mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Terminal Pitch :
- 2.54mm
- Current Rating :
- 1A
- Voltage Tolerance-Max :
- 5.2%
- Terminal Position :
- Single
- JESD-609 Code :
- e0
- Radiation Hardening :
- No
- Max Output Current :
- 1A
- Protection Features :
- Over Temperature, Short Circuit
- Lifecycle Status :
- NRND (Last Updated: 1 week ago)
- Packaging :
- Tube
- Operating Temperature :
- -40°C~125°C
- Number of Regulators :
- 1
- Output Voltage 1 :
- 3.3V
- Nominal Output Voltage :
- 3.3V
- ECCN Code :
- EAR99
- Lead Free :
- Contains Lead
- Number of Functions :
- 1
- Min Input Voltage :
- 0V
- Mount :
- Through Hole
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Width :
- 10.16mm
- Output Configuration :
- Positive
- Number of Outputs :
- 1
- Voltage Dropout (Max) :
- 0.2V @ 100mA
- Output Voltage :
- 3.3V
- Datasheets
- LM3940IT-3.3

[Voltage Regulators - Linear] Texas Instruments LM3940IT-3.3 Overview
Introducing the Texas Instruments LM3940IT-3.3, an exemplary linear voltage regulator meticulously crafted to meet the exacting standards of modern electronic circuitry. Designed to deliver a seamless power management solution, this integrated circuit offers unparalleled reliability and efficiency, making it the preferred choice for discerning engineers and manufacturers.
With its robust construction and cutting-edge technology, the LM3940IT-3.3 ensures stable and precise regulation of voltage, providing a steady 3.3V output at up to 1A current. Encased in a TO-220-3 package, this regulator is engineered for durability and thermal performance, guaranteeing optimal operation even in demanding environments.
Whether powering sensitive microcontrollers, analog circuits, or other electronic components, the LM3940IT-3.3 excels in delivering consistent performance, making it an indispensable asset for various applications across industries.
LM3940IT-3.3 Features
- Efficient Linear Voltage Regulation: Ensures stable 3.3V output with up to 1A current.
- High Reliability: Manufactured by Texas Instruments, renowned for quality and precision.
- TO-220-3 Package: Robust construction for enhanced durability and thermal management.
- Wide Range of Applications: Suitable for diverse electronic devices and circuits.
- Low Dropout Voltage: Minimizes power dissipation and maximizes efficiency.
LM3940IT-3.3 Applications
- Embedded Systems: The LM3940IT-3.3 is ideal for powering microcontrollers, sensors, and memory modules in embedded applications, ensuring stable operation and precise voltage regulation.
- Industrial Automation: In industrial settings, this voltage regulator can be deployed to provide reliable power to control systems, motor drives, and instrumentation equipment, enhancing overall efficiency and performance.
- Consumer Electronics: From portable devices to home appliances, the LM3940IT-3.3 offers seamless power management solutions, ensuring consistent performance and longevity in various consumer electronic products.
- Telecommunications: In telecommunications infrastructure, this regulator plays a vital role in powering communication modules, base stations, and networking equipment, guaranteeing uninterrupted connectivity and operation.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















