Overview
The LP2985AIM5-2.9/NOPB is a micropower, low-noise, ultra-low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring stable and efficient power management, this regulator operates within a wide input voltage range of 2.5V to 16V and delivers a fixed output voltage of 2.9V. Its compact SOT-23-5 package makes it suitable for space-constrained designs, while its low dropout voltage and low noise characteristics cater to battery-powered and noise-sensitive applications. The LP2985AIM5-2.9/NOPB is ideal for use in portable electronics, medical devices, and industrial control systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | Low-Dropout Regulator (LDO) | - | - |
| RoHS Compliance | Yes | - | - |
| Maximum Input Voltage | 16 | V | - |
| Output Voltage | 2.9 | V | Fixed |
| Dropout Voltage | 0.0001 at 0 mA, 0.007 at 1 mA, 0.04 at 10 mA, 0.12 at 50 mA, 0.28 at 150 mA | V | - |
| Output Current | 0.15 | A | - |
| Number of Outputs | 1 | - | - |
| Output Type | Fixed | - | - |
| Maximum Operating Temperature | +125 | °C | - |
| Mounting Style | SMD/SMT | - | - |
| Package/Case | SOT-23-5 | - | - |
| Minimum Input Voltage | 2.5 | V | - |
| Line Regulation | 0.014 | %/V | - |
| Minimum Operating Temperature | -40 | °C | - |
| Voltage Accuracy | ±2.5 | % | - |
Key Features
- Ultra-low dropout voltage ensures efficient operation even with low input-output differentials.
- Low noise output, suitable for noise-sensitive applications such as audio and RF circuits.
- Micropower design with low quiescent current, ideal for battery-powered devices.
- Wide input voltage range (2.5V to 16V) supports versatile applications.
- Compact SOT-23-5 package for space-constrained designs.
- Built-in protection features including overcurrent, overtemperature, and short-circuit protection.
Applications
The LP2985AIM5-2.9/NOPB is widely used in various applications, including portable electronics, medical devices, and industrial control systems. Its low dropout voltage and low noise characteristics make it particularly suitable for battery-powered devices such as smartphones, tablets, and wearable devices. In medical applications, it ensures stable power supply for sensitive diagnostic equipment. Additionally, its robust design and protection features make it a reliable choice for industrial automation and control systems.
Q & A
1. What is the maximum input voltage for the LP2985AIM5-2.9/NOPB?
The maximum input voltage is 16V.
2. What is the output voltage of this regulator?
The output voltage is fixed at 2.9V.
3. What is the dropout voltage at 150 mA load?
The dropout voltage at 150 mA load is 0.28V.
4. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
5. Is the LP2985AIM5-2.9/NOPB RoHS compliant?
Yes, it is RoHS compliant.
6. What package does this regulator use?
It uses the SOT-23-5 package.
7. What is the output current capability?
The output current capability is 150 mA.
8. Does it have built-in protection features?
Yes, it includes overcurrent, overtemperature, and short-circuit protection.
9. What is the line regulation of this regulator?
The line regulation is 0.014%/V.
10. What are the typical applications of this regulator?
Typical applications include portable electronics, medical devices, and industrial control systems.
