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Product Detailed Parameters
- Description：IC REG LIN 3.3V 150MA SOT-323-5
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：3.3V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.21V @ 150mA
- Current - Output：150mA
- Current - Quiescent (Iq)：60 µA
- Current - Supply (Max)：110 µA
- PSRR：-
- Control Features：Enable
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：5-TSSOP, SC-70-5, SOT-353
- Supplier Device Package：SOT-323-5
- Grade：-
- Qualification：-
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Overview
The LD59015C33R is a fixed-output linear voltage regulator manufactured by STMicroelectronics. It provides a fixed output voltage of 3.3 V with a maximum output current of 150 mA. The device operates within an input voltage range of 2.4 V to 5.5 V and features a typical dropout voltage of 150 mV at full load. Quiescent current is specified as 60 µA, with shutdown mode consumption below 1 µA. It includes internal overcurrent and thermal protection and is housed in a SOT-323-5 package.
Feature Summary
- Logic-controlled electronic shutdown for ultra-low power consumption
- High power supply rejection ratio suitable for noise-sensitive applications
- Compatible with ceramic capacitors for stable operation
- Integrated short-circuit constant current limiting and thermal protection
Applications
- Mobile phones
- Personal digital assistants (PDAs)
- Cordless phones
- Battery-powered systems
Procurement Notes
Verify the specific suffix 'C33' confirms the 3.3 V fixed output variant. Confirm the 'R' suffix indicates tape and reel packaging. Check the component status for obsolescence or last-time buy notices. Ensure RoHS compliance matches project requirements. Validate the SOT-323-5 package availability against manufacturing updates.
Selection Notes
Select this component when a fixed 3.3 V rail is required from a 2.4 V to 5.5 V source. Choose based on the need for low quiescent current and high PSRR in portable devices. Consider the SOT-323-5 package size constraints. Verify that the 150 mA load capability meets system peak demands. Ensure compatibility with ceramic output capacitors.
Part Context
This part belongs to the LD59015 family of 150 mA low-noise linear regulators. The family offers various fixed output voltages ranging from 1.2 V to 3.3 V in 100 mV steps. All variants share identical electrical characteristics and pinouts, differing only in the regulated output voltage setting.
Replacement Considerations
Other LD59015 variants with different output voltages are pin-compatible substitutes if the voltage requirement changes. Cross-reference with other ST LDOs offering similar 150 mA current and SOT-323-5 packaging.
