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Microchip Technology MIC4574-3.3BN

IC REG BUCK 3.3V 500MA 8PDIP

Answer first: this page is a purchasing reference for the exact part number MIC4574-3.3BN from Microchip Technology. 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: Microchip Technology Part number: MIC4574-3.3BN Package: 8-DIP (0.300", 7.62mm) RFQ verification required

Key Parameters

Part NumberMIC4574-3.3BN
ManufacturerMicrochip Technology
CategoryVoltage Regulators - DC DC Switching Regulators
package8-DIP (0.300", 7.62mm)
series-
packagingBulk
product statusObsolete
param 1Step-Down
param 2Positive
param 3Buck
param 4Fixed
param 51
param 64V
param 724V
param 83.3V
param 9-
param 10500mA
param 11200kHz
param 12No
param 13-40°C ~ 85°C (TA)
param 14-
param 15-
param 16Through Hole
param 178-PDIP

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

How to Verify MIC4574-3.3BN 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 MIC4574-3.3BN, 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.