STMicroelectronics

L7987LTR  

DC Switching Voltage Regulators

The L7987LTR is a high-efficiency, step-down (buck) switching regulator from STMicroelectronics. It is designed to convert a higher input voltage to a lower output voltage, making it suitable for a wide range of applications that require regulated power supply.

Description:

The L7987LTR is a high-performance, synchronous, step-down switching regulator that can operate from a wide input voltage range of 4V to 40V. It features a compact thermally enhanced package, making it suitable for space-constrained applications. The device is available in a 20-pin HTSSOP package.

Features:

1. Wide input voltage range: 4V to 40V
2. Output voltage as low as 0.9V
3. High efficiency up to 93%
4. Synchronous rectification for improved efficiency
5. Internal soft-start and current limiting
6. Thermal shutdown and over-current protection
7. Small package size (HTSSOP-20)
8. Operating junction temperature range: -40°C to 150°C

Applications:

1. Portable devices: Powering mobile phones, tablets, and wearable devices
2. Power supplies: Converting higher voltage batteries to lower voltages for various electronic devices
3. LED lighting: Driving high-brightness LEDs with efficient power conversion
4. Industrial control systems: Providing regulated power to microcontrollers and other sensitive components
5. Medical equipment: Ensuring stable and reliable power supply for critical applications
6. Telecommunication systems: Powering base stations and other communication equipment
7. Automotive electronics: Converting 12V or 24V automotive battery voltage to lower voltages for various electronic systems

The L7987LTR is a versatile and efficient step-down regulator that can be used in a wide range of applications requiring a stable and regulated power supply. Its compact size, high efficiency, and wide input voltage range make it an ideal choice for both portable and industrial applications.

L7987LTR Documents

Download datasheets and manufacturer documentation for L7987LTR

Datasheets :

L7987L Datasheet      

HTML Datasheet :

L7987L Datasheet