| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LE33ABZ-TR | STMicroelectronics | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.5V Dropout, BIPolar, BCY3 | LE33ABZ vs LE33ABZ-TR |
| LE33ABZ-AP | STMicroelectronics | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.5V Dropout, BIPolar, BCY3 | LE33ABZ vs LE33ABZ-AP |
Part Details for LE33ABZ by STMicroelectronics
Results Overview of LE33ABZ by STMicroelectronics
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (2 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Energy and Power Systems
Transportation and Logistics
Renewable Energy
Automotive
LE33ABZ Information
LE33ABZ by STMicroelectronics is a Linear Regulator IC.
Linear Regulator ICs are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for LE33ABZ
| Part # | Distributor | Description | Stock | Price | Buy | |
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Vyrian | Fixed Positive LDO Regulator, 3.3V, 0.5V Dropout, BIPolar | 7078 |
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RFQ |
US Tariff Estimator: LE33ABZ by STMicroelectronics
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
LE33ABZ Part Data Attributes
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LE33ABZ
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
LE33ABZ
STMicroelectronics
Fixed Positive LDO Regulator, 3.3V, 0.5V Dropout, BIPolar, BCY3
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| Part Life Cycle Code | Obsolete | |
| Part Package Code | TO-92 | |
| Package Description | Lead Free, To-92, 3 Pin | |
| Pin Count | 3 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Adjustability | Fixed | |
| Dropout Voltage1-Max | 0.5 V | |
| Dropout Voltage1-Nom | 0.2 V | |
| Input Voltage Absolute-Max | 20 V | |
| Input Voltage-Max | 18 V | |
| Input Voltage-Min | 4 V | |
| JESD-30 Code | O-XBCY-T3 | |
| JESD-609 Code | e0 | |
| Line Regulation-Max | 0.015% | |
| Load Regulation-Max | 0.015% | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | -40 °C | |
| Output Current1-Max | 0.1 A | |
| Output Voltage1-Max | 3.366 V | |
| Output Voltage1-Min | 3.234 V | |
| Output Voltage1-Nom | 3.3 V | |
| Package Body Material | Unspecified | |
| Package Code | TO-92 | |
| Package Equivalence Code | SIP3,.1,50 | |
| Package Shape | Round | |
| Package Style | Cylindrical | |
| Qualification Status | Not Qualified | |
| Regulator Type | Fixed Positive Single Output Ldo Regulator | |
| Surface Mount | No | |
| Technology | Bipolar | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Bottom | |
| Voltage Tolerance-Max | 2% |
Alternate Parts for LE33ABZ
This table gives cross-reference parts and alternative options found for LE33ABZ. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LE33ABZ, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
LE33ABZ Frequently Asked Questions (FAQ)
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STMicroelectronics recommends a star-ground configuration, with the GND pin connected to a solid ground plane, and the VIN and VOUT pins placed as close as possible to the input and output capacitors, respectively, to minimize noise and ensure stability.
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Choose X7R or X5R ceramic capacitors with a voltage rating of at least 1.5 times the input voltage, and a capacitance value between 1uF to 10uF for the input capacitor, and 1uF to 22uF for the output capacitor, depending on the specific application requirements.
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The maximum ambient temperature for the LE33ABZ is 85°C. As the temperature increases, the device's performance may degrade, with a reduction in output voltage accuracy and an increase in quiescent current. Ensure proper thermal management and heat dissipation to maintain optimal performance.
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Yes, the LE33ABZ is suitable for high-reliability and automotive applications, as it meets the AEC-Q100 qualification standard for automotive-grade devices. However, ensure that the device is used within its specified operating conditions and that the application meets the required safety and reliability standards.
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Use external overvoltage protection (OVP) and undervoltage lockout (UVLO) circuits to protect the LE33ABZ from voltage transients and faults. The OVP circuit should be designed to trigger at a voltage above the maximum input voltage rating, and the UVLO circuit should be set to a voltage below the minimum input voltage rating.