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Texas Instruments LM2577M-ADJ/NOPB

IC REG BST FLYBACK ADJ 3A 24SOIC

Answer first: this page is a purchasing reference for the exact part number LM2577M-ADJ/NOPB from Texas Instruments. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: Texas Instruments Part number: LM2577M-ADJ/NOPB Package: 24-SOIC (0.295", 7.50mm Width) RFQ verification required

Key Parameters

Part NumberLM2577M-ADJ/NOPB
ManufacturerTexas Instruments
CategoryVoltage Regulators - DC DC Switching Regulators
package24-SOIC (0.295", 7.50mm Width)
seriesSIMPLE SWITCHER®
packagingTube
product statusObsolete
param 1Step-Up, Step-Up/Step-Down
param 2Positive or Negative
param 3Boost, Flyback, Forward Converter
param 4Adjustable
param 51
param 63.5V
param 740V
param 81.23V
param 960V (Switch)
param 103A (Switch)
param 1152kHz
param 12No
param 13-40°C ~ 125°C (TJ)
param 14-
param 15-
param 16Surface Mount
param 1724-SOIC

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify LM2577M-ADJ/NOPB Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For LM2577M-ADJ/NOPB, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.