- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for L9663-1
- Part Number L9663-1
- Manufacturer STMicroelectronics
- Pin Count 29
- Part Category Integrated Circuit
- Package Category Quad Flat No-Lead
- Footprint Name Quad Flat No-Lead - VFQFPN-28
- Released Date Aug 18, 2022
- Last Modified Date Jan 8, 2026 2:31 PM UTC
- Pinout / Pin List Click Here (Member Only)
L9663-1 Details
-
Manufacturer Part Number:
L9663-1
-
Brand Name:
STMicroelectronics
-
Rohs Code:
Yes
-
Part Life Cycle Code:
Active
-
Country Of Origin:
Philippines
-
ECCN Code:
EAR99
-
Factory Lead Time:
36 Weeks
-
Date Of Intro:
2016-01-19
-
Manufacturer:
STMicroelectronics
-
YTEOL:
9
-
Peak Reflow Temperature (Cel):
NOT SPECIFIED
L9663-1 Frequently Asked Questions (FAQs)
-
STMicroelectronics provides a recommended PCB layout in the application note AN4391, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
-
The input capacitor values depend on the input voltage, output voltage, and switching frequency. A general guideline is to use a capacitor with a value between 10uF to 22uF, with a voltage rating of at least 1.5 times the input voltage. Refer to the application note AN4391 for more detailed guidance.
-
The L9663-1 is rated for operation up to 150°C ambient temperature, but it's recommended to derate the device for reliable operation. A general guideline is to limit the ambient temperature to 125°C or lower to ensure long-term reliability.
-
Common issues that prevent the device from starting up include incorrect input voltage, incorrect pin connections, or inadequate decoupling. Check the input voltage, pin connections, and decoupling capacitors. Also, ensure that the EN pin is properly connected and the UVLO threshold is not exceeded.
-
The recommended output capacitor value is between 10uF to 47uF, with a low ESR (Equivalent Series Resistance) and a voltage rating of at least 1.5 times the output voltage. Ceramic or polymer capacitors are recommended due to their low ESR and high reliability.
Trust Checks
Manufacturer Collaborated
System Verified
Community Approved
L9663-1 Overview
Use the download button to access the L9663-1 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like L9663,
or try a keyword search, such as Network Interfaces
About STMicroelectronics
STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components.
STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut