Overview
The LP2985AIM5X-2.9/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. This product is designed to provide a stable and reliable 2.9V output voltage, making it ideal for applications requiring precise voltage regulation. The LP2985AIM5X-2.9/NOPB is part of Texas Instruments' LP2985 series, known for its high accuracy, low quiescent current, and excellent transient response. It is particularly suitable for battery-powered devices, portable electronics, and other low-power applications where efficiency and compact size are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.9 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | Typical 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
- Fixed 2.9V output voltage for precise regulation.
- Low dropout voltage of 300mV (typical) ensures efficient operation even with low input voltages.
- Low quiescent current of 85µA (typical) extends battery life in portable applications.
- High power supply rejection ratio (PSRR) of 60dB at 1kHz minimizes noise in sensitive circuits.
- Thermal shutdown and current limit protection enhance reliability and safety.
- Compact SOT-23-5 package saves board space in small form factor designs.
Applications
The LP2985AIM5X-2.9/NOPB is widely used in various applications, including:
- Portable Electronics: Smartphones, tablets, and wearable devices benefit from its low quiescent current and compact size.
- Battery-Powered Devices: Its low dropout voltage ensures efficient operation in devices powered by batteries, such as remote controls and wireless sensors.
- Consumer Electronics: Used in audio equipment, cameras, and other devices requiring stable voltage regulation.
- Industrial Systems: Suitable for control systems, sensors, and other low-power industrial applications.
Q & A
1. What is the output voltage of the LP2985AIM5X-2.9/NOPB?
The output voltage is fixed at 2.9V.
2. What is the maximum output current?
The maximum output current is 150mA.
3. What is the dropout voltage?
The dropout voltage is typically 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 quiescent current is typically 85µA.
6. What package does the LP2985AIM5X-2.9/NOPB come in?
It comes in a SOT-23-5 package.
7. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
8. Does it have thermal shutdown protection?
Yes, it includes thermal shutdown protection.
9. What is the PSRR of this LDO?
The power supply rejection ratio (PSRR) is 60dB at 1kHz.
10. Is this LDO suitable for battery-powered applications?
Yes, its low dropout voltage and low quiescent current make it ideal for battery-powered applications.
