L6981 Synchronous Step-Down Converter
Author: EIS Release Date: Mar 21, 2021
STMicroelectronics' synchronous monolithic step-down regulator is capable of delivering up to 1.5 ADC to the load
STMicroelectronics' L6981 is an easy to use synchronous monolithic step-down regulator capable of delivering up to 1.5 ADC to the load. The wide input voltage range makes the device suitable for a broad range of applications.
Housed in SO8 package, the L6981 is available both in low consumption mode (LCM) and low noise mode (LNM) versions. LCM maximizes the efficiency at light-load with controlled output voltage ripple so the device is suitable for battery-powered applications. LNM makes the switching frequency constant and minimizes the output voltage ripple for lightload operations, meeting the specification for low noise sensitive applications.
Features
- 3.5 V to 38 V operating input voltage
- Output voltage from 0.85 V to VIN
- 1.5 ADC output current
- Internal compensation network
- Two different versions: LCM for high efficiency at light-loads and LNM for noise sensitive applications
- 2 μA shutdown current
- Overvoltage protection
- Output voltage sequencing
- Thermal protection
- Synchronization to external clock for LNM devices
- SO8 package