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Product Detailed Parameters
- Description：IC REG LINEAR 3.3V 150MA SOT23-5
- 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)：-
- Current - Output：150mA
- Current - Quiescent (Iq)：160 µA
- Current - Supply (Max)：-
- PSRR：52dB ~ 51dB (1kHz ~ 10kHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
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Overview
The LDCL015M33R is a linear voltage regulator IC from STMicroelectronics, providing a fixed positive output of 3.3 V with a maximum current capability of 150 mA. It operates within an input voltage range of 1.8 V to 5.5 V and features a typical dropout voltage of 50 mV at 100 mA. The device is designed for capless operation, eliminating the need for external output capacitors. It supports a wide junction temperature range from -40 °C to +125 °C and is housed in a compact SOT-23-5 package.
Feature Summary
- Capless design eliminates the requirement for external output capacitors
- Ultra-low dropout voltage of 50 mV at 100 mA load current
- Fixed 3.3 V output voltage with 150 mA maximum current capacity
Applications
- Battery-powered portable electronic devices
- Low-dropout power supply circuits
- Embedded system voltage regulation
Procurement Notes
Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm package type matches SOT-23-5 and output voltage aligns with 3.3 V fixed rating. Ensure storage conditions comply with moisture sensitivity level requirements to prevent damage before soldering.
Selection Notes
Select this component when a stable 3.3 V rail is required with minimal external components. The capless feature simplifies PCB layout and reduces bill of materials. Suitable for applications where space constraints limit capacitor placement and low dropout performance is critical for efficiency near battery discharge levels.
Part Context
This part belongs to the LDCL015 series of ultra-low drop linear regulators. The suffix M33 indicates the specific 3.3 V fixed output variant. The series is characterized by high reliability and compact packaging, targeting modern consumer electronics and IoT devices requiring efficient power management solutions.
Replacement Considerations
Compatible substitutes include other 3.3 V fixed LDOs in SOT-23-5 packages with similar current ratings. Verify pin compatibility and electrical parameters such as dropout voltage and quiescent current before substitution.
FAQ
Does the LDCL015M33R require an output capacitor?
No, the device is designed for capless operation and does not require an external output capacitor.
What is the maximum output current?
The maximum output current is 150 mA.
