Overview
The LP2985IM5-3.8/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 component is housed in a compact SOT-23-5 package. It is particularly suited for portable and battery-powered devices due to its low dropout voltage and minimal power consumption. The LP2985IM5-3.8/NOPB is ideal for engineers and designers in industries such as consumer electronics, medical devices, and industrial automation.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Maximum Input Voltage | 16 | V | |
| Output Voltage | 3.8 | V | Fixed |
| Dropout Voltage (Max) | 575 | mV | @ 150mA |
| Output Current | 150 | mA | |
| Number of Outputs | 1 | ||
| Output Type | Fixed | ||
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOT-23-5 | ||
| Line Regulation | 0.007 | % | |
| Output Voltage Tolerance | ±4 | % | |
| PSRR (Typical) | 45 | dB |
Key Features
- Ultra-low dropout voltage for efficient power management.
- Low noise output, ideal for sensitive analog circuits.
- Micropower operation extends battery life in portable devices.
- Compact SOT-23-5 package for space-constrained applications.
- Wide operating temperature range (-40°C to 125°C) for robust performance.
Applications
The LP2985IM5-3.8/NOPB is widely used in various industries, including:
- Consumer Electronics: Powering portable devices such as smartphones, tablets, and wearables.
- Medical Devices: Ensuring stable power supply in medical monitoring and diagnostic equipment.
- Industrial Automation: Providing reliable voltage regulation in control systems and sensors.
- Automotive Electronics: Supporting low-power components in automotive infotainment and safety systems.
Q & A
1. What is the maximum input voltage for the LP2985IM5-3.8/NOPB?
The maximum input voltage is 16V.
2. What is the output voltage of this regulator?
The output voltage is fixed at 3.8V.
3. What is the dropout voltage at 150mA?
The dropout voltage is 575mV at 150mA.
4. What is the typical PSRR of this LDO?
The typical PSRR is 45dB.
5. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
6. What package does the LP2985IM5-3.8/NOPB come in?
It comes in a SOT-23-5 package.
7. Is this LDO suitable for battery-powered devices?
Yes, its low dropout voltage and micropower operation make it ideal for battery-powered devices.
8. What is the line regulation of this regulator?
The line regulation is 0.007%.
9. How many outputs does this regulator have?
It has one fixed output.
10. Is the LP2985IM5-3.8/NOPB RoHS compliant?
Yes, it is RoHS compliant.
