Overview
The LP2985IM5-5.3/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring stable and efficient voltage regulation, this component is part of the LP2985-N series, known for its micropower operation, low noise, and ultra-low dropout characteristics. It is particularly suited for battery-powered devices and other applications where power efficiency and minimal noise are critical. The LP2985IM5-5.3/NOPB is available in a compact SOT-23-5 package, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | Low-Dropout (LDO) Voltage Regulator | - | - |
| Output Voltage | 5.3 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Input Voltage Range | 2.5 to 16 | V | - |
| Dropout Voltage | 0.28 | V | at 150 mA |
| Quiescent Current | 95 | µA | - |
| Operating Temperature Range | -40 to +125 | °C | - |
| Package | SOT-23-5 | - | - |
| PSRR (Power Supply Rejection Ratio) | 45 | dB | Typical |
| RoHS Compliance | Yes | - | - |
Key Features
- Ultra-Low Dropout Voltage: Ensures efficient operation even with minimal input-output voltage differentials.
- Low Noise Output: Ideal for noise-sensitive applications such as audio and RF circuits.
- Micropower Operation: Low quiescent current extends battery life in portable devices.
- Compact SOT-23-5 Package: Suitable for space-constrained designs.
- High PSRR: Provides excellent noise rejection from the input supply.
Applications
The LP2985IM5-5.3/NOPB is widely used in various applications, including:
- Battery-Powered Devices: Such as smartphones, tablets, and portable medical devices, where efficient power management is critical.
- Consumer Electronics: Including audio equipment and RF modules, benefiting from its low noise output.
- Industrial Systems: For stable voltage regulation in control systems and sensors.
- Automotive Electronics: In infotainment systems and other low-power automotive applications.
Q & A
1. What is the output voltage of the LP2985IM5-5.3/NOPB?
The output voltage is fixed at 5.3V.
2. What is the maximum output current?
The maximum output current is 150mA.
3. What is the input voltage range?
The input voltage range is 2.5V to 16V.
4. What is the dropout voltage at 150mA?
The dropout voltage is 0.28V at 150mA.
5. Is this component RoHS compliant?
Yes, it is RoHS compliant.
6. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
7. What package does the LP2985IM5-5.3/NOPB come in?
It is available in a SOT-23-5 package.
8. What is the typical PSRR of this regulator?
The typical PSRR is 45dB.
9. Can this regulator be used in battery-powered devices?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered applications.
10. Is the output voltage fixed or adjustable?
The output voltage is fixed at 5.3V.
