- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for STEF033JR
- Part Number STEF033JR
- Manufacturer STMicroelectronics
- Pin Count 9
- Part Category Integrated Circuit
- Package Category BGA
- Footprint Name BGA - Flip Chip 9
- Released Date Sep 20, 2022
- Last Modified Date Jan 8, 2026 2:31 PM UTC
- Pinout / Pin List Click Here (Member Only)
STEF033JR Details
-
Manufacturer Part Number:
STEF033JR
-
Brand Name:
STMicroelectronics
-
Rohs Code:
Yes
-
Part Life Cycle Code:
Obsolete
-
Package Description:
FLIP CHIP-9
-
Country Of Origin:
Mainland China
-
ECCN Code:
EAR99
-
HTS Code:
8542.39.00.60
-
Manufacturer:
STMicroelectronics
-
YTEOL:
0
-
Adjustable Threshold:
NO
STEF033JR Frequently Asked Questions (FAQs)
-
STMicroelectronics provides a recommended PCB layout in the application note AN5275, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
-
The input capacitor selection depends on the input voltage, output voltage, and output current. A general guideline is to choose a capacitor with a capacitance value between 1uF to 10uF, and a voltage rating at least 1.5 times the input voltage. Additionally, consider the capacitor's ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance) to ensure stability and minimize ripple.
-
The STEF033JR is rated for operation up to 125°C ambient temperature, but it's recommended to derate the output current and voltage to ensure reliable operation at high temperatures. Consult the datasheet and application notes for specific derating guidelines.
-
OVP and UVP can be implemented using external components such as zener diodes, resistors, and comparators. STMicroelectronics provides examples of OVP and UVP circuits in the application note AN5275. Additionally, consider using a dedicated voltage supervisor IC for more accurate and reliable protection.
-
The output capacitor value and type depend on the output voltage, output current, and desired ripple performance. A general guideline is to use a low-ESR ceramic capacitor with a capacitance value between 1uF to 10uF. For high-current applications, consider using a polymer or electrolytic capacitor with a higher capacitance value.
Trust Checks
Manufacturer Collaborated
System Verified
Community Approved
STEF033JR Overview
Use the download button to access the STEF033JR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like STEF0,
or try a keyword search, such as Power Management Circuits
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