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STMicroelectronics L99LD01

IC LED DRVR CTRL PWM 50MA 32LQFP

Answer first: this page is a purchasing reference for the exact part number L99LD01 from STMicroelectronics. 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: STMicroelectronics Category: LED Drivers Part number: L99LD01 Package: 32-LQFP RFQ verification required

Key Parameters

Part NumberL99LD01
ManufacturerSTMicroelectronics
CategoryLED Drivers
package32-LQFP
series-
packagingTray
product statusObsolete
param 1DC DC Controller
param 2Flyback, Step-Down (Buck), Step-Up (Boost)
param 3No
param 42
param 55.6V
param 624V
param 75V
param 850mA
param 9100kHz ~ 500kHz
param 10PWM
param 11-
param 12-40°C ~ 150°C (TJ)
param 13Automotive
param 14-
param 15Surface Mount
param 1632-LQFP (7x7)

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

How to Verify L99LD01 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 L99LD01, 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.