CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

DC DC Switching Controllers

PRODUCT DATASHEET

ChipNobo MPN

NB99LD02Q505TR

GLOBAL BRAND CROSS-REFERENCE

STMicroelectronics

DUAL-PHASE BOOST DC/DC CONTROLLE

L99LD02Q505TR

  • High-reliability design
  • Long-term stable supply
  • RoHS compliant
DUAL-PHASE BOOST DC/DC CONTROLLE

1. PRODUCT POSITIONING

NB99LD02Q505TR is a product identity corresponding to the reference product L99LD02Q505TR. This document presents the available product specifications, mechanical/package information and compatibility summary for engineering and procurement reference.

This document is a product information. Compatibility conclusions should be read together with the applicable Cross-Reference Identification (CID) rule, package/pin verification and engineering review record.

2. TECHNICAL SPECIFICATION COMPARISON (core parameters)
Parameter STMicroelectronics L99LD02Q505TR ChipNobo NB99LD02Q505TR Match
Part Status Active Active ✓
Number of Outputs 1 1 ✓
Output Configuration Positive Positive ✓
Grade Automotive Automotive ✓
Synchronous Rectifier No No ✓
Output Type Transistor Driver Transistor Driver ✓
Function Step-Up Step-Up ✓
Topology Boost Boost ✓
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) ✓
Control Features Current Limit, Enable Current Limit, Enable ✓
Clock Sync Yes Yes ✓
Qualification AEC-Q100 AEC-Q100 ✓
Output Phases 2 2 ✓
Duty Cycle (Max) 95% 95% ✓
Serial Interfaces SPI SPI ✓
Package / Case 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad ✓
Voltage - Supply (Vcc/Vdd) 3V ~ 28V 3V ~ 28V ✓
Supplier Device Package 32-QFN (5x5) 32-QFN (5x5) ✓
Mounting Type Surface Mount, Wettable Flank Surface Mount, Wettable Flank ✓
Frequency - Switching 100kHz ~ 470kHz 100kHz ~ 470kHz ✓
RoHS Status ROHS3 Compliant ROHS3 Compliant ✓
Moisture Sensitivity Level (MSL) 3 (168 Hours) 3 (168 Hours) ✓

CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

DC DC Switching Controllers

PRODUCT DATASHEET

3. SUPPLY & LIFECYCLE
ChipNobo Number NB99LD02Q505TR
Lifecycle status Active
NRND No
EOL No
PCN monitor No
Last buy date No Deadline
Alternate availability Sufficient
4. APPLICATION AREAS
EV DC/DC Converter On-Board Charger (OBC)
Server PSU 48V Power Shelf
VRM Module AI Server
GPU Server Telecom Power System
5G Base Station Solar Inverter
Energy Storage System (ESS) Industrial UPS

5. ENGINEERING & COMMERCIAL NOTES

  • The ChipNobo MPN is the public product identity used by ChipNobo for this replacement reference.
  • The original manufacturer and original MPN are retained as reference identity information.
  • Product PDF data are intended for engineering, procurement and supply-continuity reference.
  • Current price, MOQ, lead time, available supply source and regional availability should be confirmed through RFQ.
  • For customer-specific qualification, PCB footprint approval, reliability requirements or design-in approval, the customer should perform the applicable validation process.

CHIPNOBO REPLACEMENT · Semiconductor Replacement Engineering & Supply Continuity Partner

Document purpose: Product Information / Replacement Reference · Generated from the product data supplied for NB99LD02Q505TR.

Important Notice & Disclaimer

Document ID: 【CN-DATA-NB99LD02Q505TR】 Revision: 1.0 Status: Released

The information provided by ChipNobo is intended solely for engineering evaluation, product selection, procurement, and supply continuity reference purposes. Product specifications, lifecycle status, availability, and other information are subject to change without notice. Customers should always verify relevant information against the latest official documentation published by the respective manufacturers.

Cross-reference and replacement recommendations are provided for engineering reference purposes only. They do not constitute a guarantee of pin-to-pin compatibility, interchangeability, or suitability for any particular application. Customers are responsible for conducting all necessary engineering reviews, testing, and qualification prior to product selection and use.

Manufacturer names, trademarks, and part numbers are referenced solely for product identification purposes. Their use does not imply any affiliation with, endorsement by, or authorization from the respective manufacturers, unless expressly stated otherwise.

To the maximum extent permitted by applicable law, ChipNobo makes no warranties, express or implied, regarding the completeness, accuracy, or suitability of the information provided and shall not be liable for any loss or damage arising from its use or reliance, except as otherwise expressly agreed in writing and subject to applicable law.