Overview
The LD39015M10R is a low dropout voltage regulator from STMicroelectronics, designed for applications requiring a stable output voltage and low dropout voltage. This device is part of the LD39015 series, which offers a maximum current of 150 mA and an input voltage range from 1.5 V to 5.5 V. It is particularly suited for portable electronics, battery-powered devices, sensors, and other low-power applications where efficient and reliable voltage regulation is essential.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Product Status | Active | |
| Output Configuration | Positive | |
| Output Type | Fixed | |
| Number of Regulators | 1 | |
| Voltage - Input (Max) | 5.5V | V |
| Voltage - Output (Min/Fixed) | 1V | V |
| Voltage Dropout (Max) | 0.1V @ 100mA | V |
| Current - Output | 150mA | A |
| Current - Quiescent (Iq) | 50 µA | A |
| Current - Supply (Max) | 70 µA | A |
| PSRR | 65dB ~ 62dB (1kHz ~ 10kHz) | dB |
| Control Features | Enable | |
| Protection Features | Over Current, Over Temperature | |
| Operating Temperature | -40°C ~ 125°C | °C |
| Mounting Type | Surface Mount | |
| Package / Case | SC-74A, SOT-753 | |
| Supplier Device Package | SOT-23-5 |
Key Features
- Fixed Output Voltage: Provides a fixed output voltage of 1.0V.
- Output Current Capability: Has an output current capability of 150mA.
- Low Quiescent Current: Features very low quiescent current consumption (18 µA typ. at no load, 38 µA typ. at 150 mA load, 1 µA max. in OFF mode).
- Low Dropout Voltage: Provides an ultra-low dropout voltage of 80 mV typical at 100 mA load.
- Low Noise: Very low noise without bypass capacitor (29 µVRMS at VOUT = 0.8 V).
- Output Voltage Tolerance: ± 2.0% @ 25 °C.
- Logic-Controlled Electronic Shutdown: Allows the device to be put in shutdown mode with a total current consumption lower than 1 μA.
- Internal Current and Thermal Limit: Features internal current and thermal limit protection.
- Compatibility with Ceramic Capacitors: Compatible with ceramic capacitors CO = 1 µF.
Applications
The LD39015M10R is suitable for use in various low-power applications, including:
- Portable electronics
- Battery-powered devices
- Sensors
- Other low-power applications
It is particularly useful in mobile phones, personal digital assistants (PDAs), cordless phones, and similar battery-powered systems.
Q & A
- Q: What is the output voltage of the LD39015M10R? A: The output voltage is fixed at 1.0V.
- Q: How does the LD39015M10R handle thermal shutdown and current limit protection? A: The device features thermal shutdown and current limit protection to prevent damage from overheating or overcurrent.
- Q: Can the LD39015M10R be used in battery-powered devices? A: Yes, it is suitable for use in battery-powered devices due to its low power consumption and reliable operation.
- Q: What is the input voltage range for the LD39015M10R? A: The input voltage range is from 1.5 V to 5.5 V.
- Q: What is the typical dropout voltage of the LD39015M10R? A: The typical dropout voltage is 80 mV at 100 mA load.
- Q: What is the quiescent current of the LD39015M10R? A: The quiescent current is 18 µA typical at no load, 38 µA typical at 150 mA load, and 1 µA maximum in OFF mode.
- Q: Is the LD39015M10R compatible with ceramic capacitors? A: Yes, it is compatible with ceramic capacitors CO = 1 µF.
- Q: What is the operating temperature range of the LD39015M10R? A: The operating temperature range is from -40 °C to 125 °C.
- Q: Does the LD39015M10R have logic-controlled electronic shutdown? A: Yes, it features logic-controlled electronic shutdown.
- Q: What is the package type of the LD39015M10R? A: The device comes in an SOT-23-5 package.
