Overview
The LP2985IM5X-4.0 is a micropower low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Designed for applications requiring low noise and ultra-low dropout voltage, this regulator is part of the LP2985 series and is housed in a compact SOT-23-5 package. It is particularly suitable for portable and battery-powered devices, offering a fixed output voltage of 4.0V with a maximum output current of 150mA. Its low quiescent current and low dropout voltage make it an ideal choice for power-sensitive applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | Low-Dropout (LDO) Regulator | - | - |
| Output Voltage | 4.0 | V | Fixed |
| Output Current | 150 | mA | Maximum |
| Input Voltage Range | Up to 16 | V | - |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Operating Temperature | -40 to 125 | °C | - |
| Package | SOT-23-5 | - | - |
Key Features
- Micropower operation with low quiescent current.
- Ultra-low dropout voltage for efficient power management.
- Low noise output, suitable for noise-sensitive applications.
- Fixed output voltage of 4.0V, eliminating the need for external resistors.
- Compact SOT-23-5 package, ideal for space-constrained designs.
Applications
The LP2985IM5X-4.0 is widely used in portable electronics, battery-powered devices, and other applications requiring stable and efficient voltage regulation. Its low dropout voltage and low noise characteristics make it particularly suitable for wireless communication devices, medical instruments, and consumer electronics. Additionally, its compact form factor and low power consumption are advantageous for IoT devices and embedded systems.
Q & A
1. What is the output voltage of the LP2985IM5X-4.0?
The output voltage is fixed at 4.0V.
2. What is the maximum output current?
The maximum output current is 150mA.
3. What is the dropout voltage at 150mA?
The dropout voltage is 0.28V at 150mA.
4. What is the input voltage range?
The input voltage can range up to 16V.
5. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
6. What package does the LP2985IM5X-4.0 come in?
It is housed in a SOT-23-5 package.
7. Is this regulator suitable for battery-powered devices?
Yes, its low dropout voltage and low quiescent current make it ideal for battery-powered applications.
8. Can it be used in noise-sensitive applications?
Yes, it features low noise output, making it suitable for noise-sensitive designs.
9. Does it require external resistors for voltage regulation?
No, it has a fixed output voltage, eliminating the need for external resistors.
10. What are typical applications for this regulator?
Typical applications include portable electronics, wireless communication devices, medical instruments, and IoT devices.
