Overview
The LP2985IM5-6.1/NOPB is a high-performance, low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring a stable and precise voltage supply, this component is part of Texas Instruments' extensive portfolio of power management solutions. The LP2985IM5-6.1/NOPB is particularly suited for portable and battery-powered devices, offering exceptional efficiency and reliability. Its compact SOT-23 package makes it ideal for space-constrained designs, while its low quiescent current ensures minimal power consumption during operation. This LDO regulator is a competitive choice for engineers seeking a balance between performance, size, and cost.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 6.1 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 300 | mV | at 150 mA |
| 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 | 70 | dB | at 1 kHz |
Key Features
- Low Dropout Voltage: Ensures efficient operation even with low input voltages.
- Low Quiescent Current: Minimizes power consumption in battery-powered applications.
- High PSRR: Provides excellent noise rejection for sensitive circuits.
- Thermal Shutdown and Current Limit Protection: Enhances reliability and safety.
- Compact SOT-23 Package: Ideal for space-constrained designs.
Applications
The LP2985IM5-6.1/NOPB is widely used in various applications, including:
- Portable Electronics: Such as smartphones, tablets, and portable media players, where stable voltage regulation is critical.
- Battery-Powered Devices: Including wireless sensors, IoT devices, and wearables, due to its low quiescent current.
- Consumer Electronics: Such as digital cameras and handheld gaming devices, where space and efficiency are paramount.
- Industrial Equipment: For powering low-power sensors and control circuits in harsh environments.
Q & A
1. What is the output voltage of the LP2985IM5-6.1/NOPB?
The output voltage is fixed at 6.1 V.
2. What is the maximum output current it can handle?
The maximum output current is 150 mA.
3. What is the dropout voltage at full load?
The dropout voltage is 300 mV at 150 mA.
4. What is the input voltage range for this regulator?
The input voltage range is 2.5 V to 16 V.
5. How much quiescent current does it consume?
The typical quiescent current is 85 µA.
6. What is the operating temperature range?
It operates within a temperature range of -40°C to +125°C.
7. What package does the LP2985IM5-6.1/NOPB come in?
It is available in a SOT-23-5 package.
8. Does it include protection features?
Yes, it includes thermal shutdown and current limit protection.
9. What is the PSRR of this regulator?
The PSRR is 70 dB at 1 kHz.
10. Is this regulator suitable for battery-powered applications?
Yes, its low quiescent current and low dropout voltage make it ideal for battery-powered devices.
