Product Overview: LP3855ET-3.3 LDO Voltage Regulator
The LP3855ET-3.3 from Texas Instruments is a high-performance, low-dropout (LDO) voltage regulator that delivers a well-regulated 3.3V output from a variable input voltage source. Designed for a wide range of applications, this regulator is particularly well-suited for sensitive electronics requiring a stable and clean power supply.
Key Features
- Output Voltage: The device provides a fixed output voltage of 3.3V, which is ideal for logic circuits and standard digital ICs.
- High Output Current: Capable of delivering up to 1.5A of continuous output current, the LP3855ET-3.3 can power a broad array of components.
- Low Dropout: The low dropout voltage allows the regulator to maintain output regulation with a minimal difference between the input and output voltages, enhancing efficiency and battery life in portable applications.
- Thermal Protection: The built-in thermal shutdown feature protects the device from overheating, enhancing the longevity and reliability of both the regulator and the overall system.
- Stable with Low-ESR Output Capacitors: The LP3855ET-3.3 is stable with ceramic capacitors on the output, which reduces the size and cost of the overall power supply design.
- Adjustable Version Available: For applications requiring a different output voltage, an adjustable version of this regulator is also available, providing design flexibility.
Applications
The versatility of the LP3855ET-3.3 makes it suitable for a variety of applications, including:
- Point-of-load conversions from 5V or 12V rails
- Networking equipment such as switches and routers
- Computer peripherals and add-on cards
- Consumer electronics
- Industrial control systems
Product Specifications
Parameter
Value
Output Voltage (V)
3.3
Output Current (A)
1.5
Dropout Voltage (Typ)
1.1V at 1.5A
Package/Case
TO-220-5
Operating Temperature Range (C)
-40 to 125
With its robust feature set and reliable performance, the LP3855ET-3.3 LDO voltage regulator from Texas Instruments is an excellent choice for designers looking to ensure stable power delivery in their electronic projects.