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LDS3985M18R
+BOMIC REG LINEAR 1.8V 300MA SOT23-5
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ManufacturerSTMicroelectronics
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Mfr. Part #LDS3985M18R
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Datasheet LDS3985M18R DataSheet
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In Stock9653
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Specifications
| Attribute | Value |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min / Fixed) | 1.8V |
| Voltage Dropout (Max) | 0.25V @ 300mA |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 150 µA |
| Current - Supply (Max) | 300 µA |
| PSRR | 55dB ~ 50dB (1kHz ~ 10kHz) |
| Control Features | Shutdown |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| Base Product Number | LDS3985 |
Overview
Description
Equivalent
1. Microchip MCP1700-1802E/TO: A low-dropout regulator with a similar voltage and current rating.
2. Texas Instruments LP2985A-18DBVR: Offers low dropout and similar fixed output voltage.
3. ON Semiconductor NCP551SN18T1G: Provides comparable performance for similar applications.
Always verify specifications like voltage, current, thermal performance, and package compatibility when selecting an equivalent.
Features
1. Output Voltage: It provides a fixed output voltage of 1.8V.
2. Input Voltage Range: Operates with an input voltage range typically between 2.5V and 6V.
3. Dropout Voltage: Features a low dropout voltage, which ensures efficient operation close to the output voltage level.
4. Output Current: Capable of supplying up to 150 mA of output current.
5. Quiescent Current: Designed with low quiescent current for energy-efficient operation.
6. Stability: Ensures stability with low ESR ceramic capacitors.
7. Protection: Includes thermal shutdown and current limit protection to safeguard against overload and overheating.
8. Noise Performance: Offers low output noise, making it suitable for sensitive applications.
9. Packaging: Available in a compact SOT-23-5L package, which is ideal for space-constrained applications.
10. Applications: Commonly used in portable devices, battery-powered systems, and other applications requiring reliable voltage regulation.
These features make the LDS3985M18R suitable for a variety of electronic applications where space, efficiency, and reliability are key considerations.
Pinout
Manufacturer
Application
1. Consumer Electronics: Used in smartphones, tablets, and wearable devices for powering microcontrollers and other digital components.
2. Industrial Automation: Powers sensors and microprocessors in control systems.
3. Telecommunications: Provides stable voltage to communication devices and base stations.
4. Automotive Systems: Utilized in infotainment systems, advanced driver-assistance systems (ADAS), and other electronic modules.
5. Medical Devices: Ensures reliable power delivery in portable and fixed diagnostic equipment.
Its features, like low quiescent current and high precision output, make it ideal for battery-powered and energy-sensitive applications.