Overview
The LP2985IM5X-135 is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. Designed for applications requiring stable and low-noise power supply, this component is part of the LP2985 series, known for its efficiency and compact form factor. It is particularly suited for portable and battery-powered devices, offering a fixed output voltage of 1.35V. With its SOT-23-5 package, it is ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 1.35 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Input Voltage | 2.5 to 16 | V | Operating range |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Quiescent Current | 95 | μA | Typical |
| Operating Temperature | -40 to +125 | °C | |
| Package | SOT-23-5 | ||
| PSRR | 45 | dB | Power Supply Rejection Ratio |
Key Features
- Low dropout voltage for efficient operation in low-voltage applications.
- Fixed output voltage of 1.35V ensures stable power supply.
- Compact SOT-23-5 package suitable for portable devices.
- Low quiescent current enhances battery life in portable applications.
- Built-in protection features include overcurrent, overtemperature, and short-circuit protection.
Applications
The LP2985IM5X-135 is widely used in portable electronics, battery-powered devices, and other applications requiring a stable and low-noise power supply. Its compact size and efficient performance make it ideal for smartphones, tablets, wearable devices, and IoT modules. Additionally, it is suitable for industrial control systems and automotive electronics where reliable power regulation is critical.
Q & A
What is the output voltage of the LP2985IM5X-135?
The output voltage is fixed at 1.35V.
What is the maximum output current?
The maximum output current is 150mA.
What is the input voltage range?
The input voltage range is 2.5V to 16V.
What is the dropout voltage at 150mA?
The dropout voltage is 0.28V at 150mA.
What is the quiescent current?
The quiescent current is typically 95μA.
What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
What package does the LP2985IM5X-135 use?
It uses the SOT-23-5 package.
Does it have built-in protection features?
Yes, it includes overcurrent, overtemperature, and short-circuit protection.
What is the PSRR of this regulator?
The Power Supply Rejection Ratio (PSRR) is 45dB.
Is this component suitable for battery-powered devices?
Yes, its low quiescent current and efficient performance make it ideal for battery-powered applications.
