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Richtek USA Inc. RT5759GQUF

IC REG BUCK PROG 9A UQFN-13

Answer first: this page is a purchasing reference for the exact part number RT5759GQUF from Richtek USA Inc.. 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: Richtek USA Inc. Category: Voltage Regulators - DC DC Switching Regulators Part number: RT5759GQUF Package: 13-PowerUFQFN RFQ verification required

Key Parameters

Part NumberRT5759GQUF
ManufacturerRichtek USA Inc.
CategoryVoltage Regulators - DC DC Switching Regulators
package13-PowerUFQFN
series-
packagingTape & Reel (TR)
product statusActive
param 1Step-Down
param 2Positive
param 3Buck
param 4Programmable
param 51
param 63V
param 76.5V
param 80.6V
param 91.5V
param 109A
param 111MHz
param 12Yes
param 13-40°C ~ 85°C (TA)
param 14-
param 15-
param 16Surface Mount
param 1713-QFN Type U (FC) (3x3)

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

How to Verify RT5759GQUF 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 RT5759GQUF, 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.