Overview
The LP2985IM5X-2.5 is a low-dropout (LDO) voltage regulator produced by Texas Instruments, designed to deliver a fixed output voltage of 2.5V. This component is part of Texas Instruments' extensive portfolio of power management solutions, targeting applications that require stable and efficient voltage regulation with minimal power loss. The LP2985IM5X-2.5 is particularly suited for battery-powered devices, portable electronics, and other low-power applications where space and energy efficiency are critical. Its compact SOT-23-5 package makes it ideal for designs with limited PCB space.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.5 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | At 150mA |
| Input Voltage Range | 2.5 to 16 | V | |
| Quiescent Current | 85 | µA | Typical |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23-5 | ||
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.04 | %/mA | Typical |
| PSRR | 60 | dB | At 1kHz |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with small differences between input and output voltages.
- Low Quiescent Current: Minimizes power consumption, making it ideal for battery-powered applications.
- High PSRR: Provides excellent noise rejection, ensuring stable output voltage in noisy environments.
- Thermal Shutdown and Current Limit Protection: Safeguards the device and the application from damage due to overheating or overcurrent conditions.
- Compact Package: The SOT-23-5 package is ideal for space-constrained designs.
Applications
The LP2985IM5X-2.5 is widely used in various applications, including:
- Portable Electronics: Such as smartphones, tablets, and wearable devices, where low power consumption and compact size are essential.
- Battery-Powered Devices: Including wireless sensors, IoT devices, and handheld instruments, benefiting from its low dropout voltage and quiescent current.
- Industrial Automation: For powering low-voltage sensors and control circuits in industrial environments.
- Consumer Electronics: Such as digital cameras, audio devices, and gaming consoles, where stable voltage regulation is critical.
Q & A
1. What is the output voltage of the LP2985IM5X-2.5?
The output voltage is fixed at 2.5V.
2. What is the maximum output current?
The maximum output current is 150mA.
3. What is the dropout voltage at 150mA?
The dropout voltage is 300mV at 150mA.
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 85µA.
6. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
7. What package does the LP2985IM5X-2.5 come in?
It comes in a SOT-23-5 package.
8. What is the PSRR of the LP2985IM5X-2.5?
The PSRR is 60dB at 1kHz.
9. Does the LP2985IM5X-2.5 have protection features?
Yes, it includes thermal shutdown and current limit protection.
10. What are typical applications for the LP2985IM5X-2.5?
Typical applications include portable electronics, battery-powered devices, industrial automation, and consumer electronics.
