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Product Detailed Parameters
- Description：IC REG LINEAR 3V 100MA TO92-3
- Series：-
- Mfr：STMicroelectronics
- Package：Bulk
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：18V
- Voltage - Output (Min/Fixed)：3V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.5V @ 100mA
- Current - Output：100mA
- Current - Quiescent (Iq)：1 mA
- Current - Supply (Max)：3 mA
- PSRR：81dB ~ 60db (120Hz ~ 10kHz)
- Control Features：-
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The LE30ABZ is a linear voltage regulator manufactured by STMicroelectronics, designed for applications requiring stable DC output from higher input voltages. It operates with a maximum input voltage of 18V and provides a fixed 30V output capability within its operational range. The device is housed in a TO-92 three-pin package suitable for through-hole mounting. It supports junction temperatures up to 125°C and features a static current of 1.5mA. This component belongs to the LExxAB series, offering reliable regulation for general-purpose electronic circuits.
Feature Summary
- Fixed output voltage regulation for stable power supply applications
- Through-hole TO-92 package design for easy PCB integration
- High thermal stability supporting operation up to 125°C junction temperature
- Low static current consumption for efficient power management
Applications
- General-purpose linear power supply circuits
- Voltage regulation in industrial control systems
- Power conditioning for embedded electronic devices
Procurement Notes
Verify the specific part number suffix against official STMicroelectronics documentation to ensure correct pinout and electrical characteristics. Confirm that the required output voltage matches the fixed specification of the LE30ABZ variant. Check datasheet limits for input voltage headroom and thermal dissipation requirements relative to your application load. Ensure compliance with RoHS directives if applicable to your manufacturing standards.
Selection Notes
Select this component when a fixed high-voltage regulation is needed with through-hole compatibility. Consider the 18V maximum input limit and 125°C thermal rating during design. Evaluate power dissipation capabilities based on the voltage drop across the regulator and expected load current. Compare against other LExxAB series variants if different output voltages or package types are preferred for space constraints.
Part Context
The LE30ABZ belongs to the LExxAB series of linear regulators from STMicroelectronics. This family focuses on providing reliable voltage regulation in compact packages. The TO-92 form factor is common for low-to-medium power applications requiring robustness and ease of assembly. These regulators are typically used where noise performance and simplicity are prioritized over switching efficiency.
Replacement Considerations
Consult official STMicroelectronics substitution guides for compatible alternatives within the LExxAB series. Verify pin compatibility and thermal characteristics before replacing. Cross-reference with other manufacturers only if electrical specifications and package dimensions match exactly.
