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Microchip Technology TC1303B-ZA0EMF

IC REG DL BUCK/LINEAR SYNC 10DFN

Answer first: this page is a purchasing reference for the exact part number TC1303B-ZA0EMF 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: TC1303B-ZA0EMF Package: 10-VFDFN Exposed Pad RFQ verification required

Key Parameters

Part NumberTC1303B-ZA0EMF
ManufacturerMicrochip Technology
CategoryVoltage Regulators - Linear + Switching
package10-VFDFN Exposed Pad
series-
packagingTube
product statusActive
param 1Step-Down (Buck) Synchronous (1), Linear (LDO) (1)
param 22
param 32MHz
param 4Adj, 500mA
param 53.3V, 300mA
param 6-
param 7No
param 8No
param 9Yes
param 102.7V ~ 5.5V
param 11-40°C ~ 85°C
param 12-
param 13-
param 14Surface Mount
param 1510-DFN (3x3)

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

How to Verify TC1303B-ZA0EMF 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 TC1303B-ZA0EMF, 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.