Overview
The LP2985IM5X-2.9/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring a stable and precise voltage supply, this product is part of Texas Instruments' extensive portfolio of power management solutions. The LP2985IM5X-2.9/NOPB is specifically tailored for battery-powered devices, portable electronics, and other applications where power efficiency and compact size are critical. Its unique selling points include ultra-low dropout voltage, low quiescent current, and excellent transient response, making it a competitive choice for designers seeking reliable voltage regulation in space-constrained environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.9 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | at 150 mA |
| Quiescent Current | 75 | µA | Typical |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOT-23-5 | Compact form factor | |
| Line Regulation | 0.02 | %/V | Typical |
| Load Regulation | 0.04 | %/mA | Typical |
| PSRR | 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, ideal for battery-powered applications.
- Compact SOT-23-5 Package: Saves board space in portable and space-constrained designs.
- Excellent Transient Response: Maintains stable output under varying load conditions.
- High PSRR: Minimizes noise and ripple, ensuring clean output voltage.
Applications
The LP2985IM5X-2.9/NOPB is widely used in various applications, including:
- Portable Electronics: Provides stable voltage for smartphones, tablets, and wearables.
- Battery-Powered Devices: Ensures efficient power management in handheld gadgets and IoT devices.
- Industrial Control Systems: Delivers reliable voltage regulation in sensors and control modules.
- Automotive Electronics: Supports infotainment systems and other low-power automotive applications.
Q & A
1. What is the dropout voltage of the LP2985IM5X-2.9/NOPB?
The dropout voltage is 300 mV at 150 mA.
2. What is the maximum output current of this regulator?
The maximum output current is 150 mA.
3. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
4. Is the output voltage fixed or adjustable?
The output voltage is fixed at 2.9 V.
5. What package does this regulator come in?
It comes in a compact SOT-23-5 package.
6. What is the typical quiescent current?
The typical quiescent current is 75 µA.
7. What is the PSRR of this regulator?
The PSRR is 60 dB at 1 kHz.
8. Can this regulator be used in automotive applications?
Yes, it is suitable for low-power automotive electronics.
9. How does this regulator perform under varying load conditions?
It has excellent transient response, ensuring stable output under varying loads.
10. Is this regulator suitable for battery-powered devices?
Yes, its low quiescent current and dropout voltage make it ideal for battery-powered applications.
