Overview
The LP2985AIM5-1.5/NOPB is a low-dropout (LDO) voltage regulator produced by Texas Instruments. Designed for applications requiring a stable and reliable power supply, this component is part of the LP2985 series, known for its high performance and compact form factor. The LP2985AIM5-1.5/NOPB is specifically configured to deliver a fixed output voltage of 1.5V, making it ideal for low-power devices and portable electronics. Its market positioning targets industries such as consumer electronics, IoT devices, and battery-powered systems, where efficiency and space-saving are critical. The product stands out for its ultra-low dropout voltage, low quiescent current, and excellent transient response, ensuring robust performance in demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 1.5 | V | Fixed |
| Dropout Voltage | 300 | mV | At 150 mA |
| Output Current | 150 | mA | Maximum |
| Quiescent Current | 85 | µA | Typical |
| Input Voltage Range | 2.5 to 16 | V | |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23-5 | Miniature | |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.04 | %/mA | Typical |
| Ripple Rejection | 60 | dB | At 1 kHz |
Key Features
- Ultra-Low Dropout Voltage: Ensures efficient operation even with minimal input-output voltage differentials.
- Low Quiescent Current: Reduces power consumption, making it suitable for battery-powered applications.
- Excellent Transient Response: Provides stable output under varying load conditions.
- Compact SOT-23-5 Package: Ideal for space-constrained designs.
- Fixed Output Voltage: Simplifies design by eliminating the need for external resistors.
Applications
The LP2985AIM5-1.5/NOPB is widely used in various applications, including:
- Consumer Electronics: Powering portable devices such as smartphones, tablets, and wearables.
- IoT Devices: Providing reliable voltage regulation for sensors and communication modules.
- Battery-Powered Systems: Ensuring efficient power management in handheld instruments and medical devices.
- Industrial Automation: Supporting low-power control systems and sensors.
Q & A
1. What is the output voltage of the LP2985AIM5-1.5/NOPB?
The output voltage is fixed at 1.5V.
2. What is the maximum output current?
The maximum output current is 150 mA.
3. What is the dropout voltage at 150 mA?
The dropout voltage is 300 mV at 150 mA.
4. What is the input voltage range?
The input voltage range is 2.5V to 16V.
5. What is the quiescent current?
The typical quiescent current is 85 µA.
6. What package does the LP2985AIM5-1.5/NOPB use?
It uses a SOT-23-5 package.
7. Is this LDO regulator suitable for battery-powered applications?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered systems.
8. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
9. How does the LP2985AIM5-1.5/NOPB handle transient responses?
It provides excellent transient response, ensuring stable output under varying load conditions.
10. Can this regulator be used in industrial applications?
Yes, it is suitable for industrial automation and low-power control systems.
