Overview
The LP2985AITPX-1.5/NOPB is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. Designed for applications requiring a stable and efficient power supply, this component is part of the LP2985 series, known for its ultra-low dropout and low-noise characteristics. The LP2985AITPX-1.5/NOPB is specifically tailored for portable and battery-powered devices, offering a fixed output voltage of 1.5V with a maximum output current of 150mA. Its compact 5-UFBGA package makes it suitable for space-constrained designs. This regulator is ideal for consumer electronics, medical devices, and industrial applications where power efficiency and reliability are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 1.5 | V | Fixed |
| Input Voltage Range | 2.5 to 16 | V | - |
| Output Current | 150 | mA | Maximum |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Quiescent Current | 95 | µA | - |
| PSRR | 45 | dB | @ 1kHz |
| Operating Temperature | -40 to 125 | °C | - |
| Package | 5-UFBGA | - | DSBGA |
| Protection Features | Overcurrent, Overtemperature, Short Circuit | - | - |
| Control Feature | Enable | - | - |
Key Features
- Ultra-low dropout voltage for efficient power management.
- Low noise output, suitable for sensitive applications.
- Fixed output voltage of 1.5V with a maximum current of 150mA.
- Compact 5-UFBGA package for space-constrained designs.
- Integrated protection features including overcurrent, overtemperature, and short circuit protection.
- Enable pin for power control and efficiency optimization.
Applications
The LP2985AITPX-1.5/NOPB is widely used in applications requiring stable and efficient power regulation. Its key application areas include:
- Portable Electronics: Powering low-voltage components in smartphones, tablets, and wearables.
- Medical Devices: Providing reliable power for portable medical equipment.
- Industrial Automation: Ensuring stable voltage supply in sensors and control systems.
- Consumer Electronics: Supporting power management in audio devices, cameras, and other gadgets.
Q & A
1. What is the output voltage of the LP2985AITPX-1.5/NOPB?
The output voltage is fixed at 1.5V.
2. What is the maximum input voltage supported?
The maximum input voltage is 16V.
3. What is the dropout voltage at 150mA?
The dropout voltage is 0.28V at 150mA.
4. What is the quiescent current of this regulator?
The quiescent current is 95µA.
5. What protection features are included?
It includes overcurrent, overtemperature, and short circuit protection.
6. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
7. What package does this regulator use?
It uses a 5-UFBGA (DSBGA) package.
8. Is this regulator suitable for battery-powered devices?
Yes, its ultra-low dropout and low quiescent current make it ideal for battery-powered applications.
9. Does it have an enable pin?
Yes, it includes an enable pin for power control.
10. What is the PSRR of this regulator?
The PSRR is 45dB at 1kHz.
