Overview
The LP2985ITP-1.5/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. This component is designed to provide a stable 1.5V output voltage, making it suitable for applications requiring precise voltage regulation. It is part of the LP2985 series, known for its low noise, low dropout, and high efficiency. The LP2985ITP-1.5/NOPB is particularly targeted at portable and battery-powered devices, where energy efficiency and compact size are critical. Its key selling points include its ultra-low dropout voltage, low quiescent current, and robust protection features, making it a competitive choice in the LDO market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Configuration | Positive | - | - |
| Output Type | Fixed | - | - |
| Number of Regulators | 1 | - | - |
| Input Voltage (Max) | 16 | V | - |
| Output Voltage (Min/Fixed) | 1.5 | V | - |
| Dropout Voltage (Max) | 0.58 | V | @ 150mA |
| Output Current | 150 | mA | - |
| Quiescent Current (Iq) | 95 | µA | - |
| Supply Current (Max) | 2.5 | mA | - |
| PSRR | 45 | dB | @ 1kHz |
| Control Features | Enable | - | - |
| Protection Features | Overcurrent, Overtemperature, Short Circuit | - | - |
| Operating Temperature | -40 to 125 | °C | - |
| Mounting Type | Surface Mount | - | - |
| Package/Case | 5-uFBGA, DSBGA | - | - |
| Supplier Device Package | 5-DSBGA | - | - |
| Lead-Free/RoHS | Lead-Free / RoHS Compliant | - | - |
Key Features
- Ultra-low dropout voltage for efficient operation in low-input voltage scenarios.
- Low quiescent current, ideal for battery-powered applications.
- High PSRR (Power Supply Rejection Ratio) for noise-sensitive circuits.
- Built-in protection features including overcurrent, overtemperature, and short circuit protection.
- Compact 5-DSBGA package for space-constrained designs.
Applications
The LP2985ITP-1.5/NOPB is widely used in portable electronics, battery-powered devices, and other applications requiring stable and efficient voltage regulation. Typical use cases include:
- Smartphones and tablets for powering low-voltage components.
- Wearable devices where energy efficiency and compact size are critical.
- IoT devices requiring reliable power management in low-power scenarios.
- Medical devices where precision and reliability are paramount.
Q & A
1. What is the maximum input voltage for the LP2985ITP-1.5/NOPB?
The maximum input voltage is 16V.
2. What is the output voltage of this regulator?
The output voltage is fixed at 1.5V.
3. What is the dropout voltage at 150mA?
The dropout voltage is 0.58V at 150mA.
4. What is the quiescent current of the LP2985ITP-1.5/NOPB?
The quiescent current is 95µA.
5. Does this regulator have protection features?
Yes, 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 the LP2985ITP-1.5/NOPB use?
It uses a 5-DSBGA package.
8. Is this component RoHS compliant?
Yes, it is RoHS compliant and lead-free.
9. What is the PSRR of this regulator?
The PSRR is 45dB at 1kHz.
10. What are typical applications for this regulator?
Typical applications include portable electronics, battery-powered devices, and IoT applications.
