LM2577T-12/LF03

National Semiconductor

Manufacturer Part #:

LM2577T-12/LF03

Manufacturer:

National Semiconductor

Package:

TO-220-5

Datasheet:

Description:

SWITCHING REGULATOR

Send an RFQ

For any specific requests regarding price, qty, ect. please send an RFQ.

Contact Name

Company Name

Country

Quantity

Specifications

Product Details

Mfr	National Semiconductor
Series	SIMPLE SWITCHER®
Package	Tube
Function	Step-Up, Step-Up/Step-Down
Topology	Boost, Flyback, Forward Converter
Output Type	Fixed
Mounting Type	Through Hole
Package / Case	TO-220-5 Formed Leads
Product Status	Obsolete
Current - Output	3A (Switch)
Number of Outputs	1
Base Product Number	LM2577
Output Configuration	Positive or Negative
Frequency - Switching	52kHz
Operating Temperature	-40°C ~ 125°C (TJ)
Synchronous Rectifier	No
Voltage - Input (Max)	40V
Voltage - Input (Min)	3.5V
Voltage - Output (Max)	-
Supplier Device Package	TO-220-5
Voltage - Output (Min/Fixed)	12V

Shopping Guide

Payment Methods

For your convenience, we support multiple payment methods, including PayPal, credit cards, and bank transfers, all payments are settled in USD.

RFQ (Request for Quotations)

1. For products with available stock and price, you can directly place an order.
2. For products without stock or price displayed, please submit an RFQ, and we will respond within 24 hours.

Supply Information

SemiKey Stock: Inventory purchased directly from original manufacturers, authorized distributors, or OEM/EMS.

Authorized Distributor: Channels from the original manufacturer or their authorized distributors.
OEM & EMS: Excess inventory from OEM and EMS providers.

About Shipping Costs

If you choose to use our shipping account, the shipping cost must be paid when placing the order. If you choose to use your own shipping account, the cost will depend on the agreement between you and the shipping company.

Please note: Customers are responsible for all fees charged by the destination government or customs, including but not limited to duties, taxes, and any additional fees charged by the courier company. SemiKey is not responsible for any extra charges once the package has been shipped.