Overview
The LP2985AITP-1.5/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring a stable and efficient power supply, this component is part of the PMIC - Voltage Regulators - Linear category. It features a fixed output voltage of 1.5V and is suitable for use in various electronic devices, including portable electronics, IoT devices, and embedded systems. The LP2985AITP-1.5/NOPB is known for its low noise, ultra-low dropout, and high efficiency, making it an ideal choice for battery-powered applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 1.5 | V | Fixed |
| Input Voltage Range | 2.5 to 16 | V | |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Output Current | 150 | mA | |
| Quiescent Current | 95 | µA | |
| PSRR | 45 | dB | @ 1kHz |
| Operating Temperature | -40 to 125 | °C | |
| Package | SOT-23-5 | ||
| Protection Features | Overcurrent, Overtemperature, Short Circuit |
Key Features
- Fixed output voltage of 1.5V for stable power supply.
- Ultra-low dropout voltage of 0.28V @ 150mA for efficient operation.
- Low quiescent current of 95µA, ideal for battery-powered applications.
- High power supply rejection ratio (PSRR) of 45dB @ 1kHz for reduced noise.
- Comprehensive protection features including overcurrent, overtemperature, and short circuit protection.
- Compact SOT-23-5 package for space-constrained designs.
Applications
The LP2985AITP-1.5/NOPB is widely used in various applications, including:
- Portable Electronics: Provides stable power for smartphones, tablets, and wearable devices.
- IoT Devices: Ensures efficient power management in smart home devices and sensors.
- Embedded Systems: Supports microcontrollers and other components in industrial and automotive systems.
- Battery-Powered Devices: Optimizes battery life in portable medical devices and handheld instruments.
Q & A
1. What is the output voltage of the LP2985AITP-1.5/NOPB?
The output voltage is fixed at 1.5V.
2. What is the input voltage range for this regulator?
The input voltage range is 2.5V to 16V.
3. What is the dropout voltage at 150mA?
The dropout voltage is 0.28V at 150mA.
4. What is the maximum output current?
The maximum output current is 150mA.
5. What is the quiescent current of this LDO?
The quiescent current is 95µA.
6. What is the PSRR of the LP2985AITP-1.5/NOPB?
The PSRR is 45dB at 1kHz.
7. What protection features are included?
It includes overcurrent, overtemperature, and short circuit protection.
8. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
9. What package does this LDO come in?
It comes in a SOT-23-5 package.
10. Is this LDO suitable for battery-powered applications?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered devices.
