- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for L9663
- Part Number L9663
- Manufacturer STMicroelectronics
- Pin Count 33
- Part Category Integrated Circuit
- Package Category Quad Flat Packages
- Footprint Name Quad Flat Packages - TQFP32
- Released Date Aug 27, 2022
- Last Modified Date Jan 8, 2026 2:31 PM UTC
- Pinout / Pin List Click Here (Member Only)
L9663 Details
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Manufacturer Part Number:
L9663
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Brand Name:
STMicroelectronics
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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Country Of Origin:
Philippines
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ECCN Code:
EAR99
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Factory Lead Time:
36 Weeks
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Date Of Intro:
2016-01-19
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Manufacturer:
STMicroelectronics
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YTEOL:
9
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JESD-609 Code:
e3
L9663 Frequently Asked Questions (FAQs)
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A good PCB layout for the L9663 involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces to reduce EMI. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
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The input capacitor should be a low-ESR ceramic capacitor with a value between 1uF to 10uF, while the output capacitor should be a low-ESR electrolytic capacitor with a value between 10uF to 100uF. The capacitor values and types should be chosen based on the specific application requirements and operating conditions.
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The L9663 can operate in an ambient temperature range of -40°C to 150°C, but the maximum junction temperature should not exceed 150°C. The device should be derated for temperatures above 125°C.
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The L9663 has built-in overvoltage protection (OVP) and undervoltage lockout (UVLO) features. However, additional external protection circuits may be required depending on the application. A voltage supervisor or a dedicated overvoltage protection IC can be used to provide additional protection.
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The recommended input voltage range for the L9663 is 6.5V to 36V, but the device can operate with input voltages as low as 5.5V. However, the output voltage regulation and efficiency may be affected at lower input voltages.
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L9663 Overview
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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