LR645N8
Linear Voltage Regulators for High Input Voltage, Fixed/Adjustable
Inventory:9,709
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
- Genuine Product Guarantee
- 7*24 hours service quarantee
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Part Number : LR645N8
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Package/Case : TO-243AA
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Manufacturer : MICROCHIP
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Components Classification : Voltage Regulators , Linear, Low Drop Out Regulators
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Datesheet : LR645N8 DataSheet (PDF)
Overview of LR645N8
The LR645N8 is a Power Circuits optimized for high-speed and low-voltage operations. It provides excellent performance for analog and digital signal switching.
Pinout
The LR645N8 pinout refers to the configuration and function of each pin in its TO-243AA package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the LR645N8 has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.
Features
- Fixed Positive Standard Regulator: The LR645N8 is a fixed positive standard regulator that provides a stable output voltage.
- High Current Capability: It has high current capability, making it suitable for applications requiring high power consumption.
- Low Dropout Voltage: The device features low dropout voltage, ensuring reliable operation even in the presence of noise or interference.
- Wide Operating Temperature Range: The LR645N8 operates within a wide temperature range of -30°C to 85°C, making it suitable for various applications and environments.
- Compact Package: It comes in a compact TO-243AA package, making it ideal for space-constrained designs.
Applications
- Proximity Controlled Light Switches: The LR645N8 is suitable for proximity controlled light switches that require high current and low voltage operation.
- Street Lamp Controls: Its compact size and high current capability make it an excellent choice for street lamp controls.
- Low Voltage Power Supplies: It can be used in low-voltage power supplies for appliances such as washing machines, dishwashers, and refrigerators.
Equivalents
For similar functionalities, consider these alternatives to the LR645N8:
- Supertex Inc. LR643N8: This device offers similar features and performance to the LR645N8.
- Other Linear Regulator ICs: Other linear regulator ICs from various manufacturers may offer similar functionalities and performance to the LR645N8.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category | Linear Voltage Regulators | RoHS | N |
Mounting Style | SMD/SMT | Package / Case | TO-243AA |
Number of Outputs | 1 Output | Polarity | Positive |
Output Voltage | 1.7 V | Output Current | 3 mA |
Output Type | Fixed | Input Voltage, Min | 15 V |
Input Voltage, Max | 450 V | Minimum Operating Temperature | - 55 C |
Maximum Operating Temperature | + 150 C | Load Regulation | 400 mV |
Line Regulation | 200 mV | Brand | Microchip Technology |
Height | 1.6 mm (Max) | Length | 4.6 mm (Max) |
Pd - Power Dissipation | 1.6 W | Product Type | Linear Voltage Regulators |
Factory Pack Quantity | 2000 | Subcategory | PMIC - Power Management ICs |
Width | 2.6 mm (Max) |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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LR645N8
Linear Voltage Regulators for High Input Voltage, Fixed/Adjustable
Inventory:
9,709
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




