STMicroelectronics L6986H
The L6986H is a step-down monolithic switching regulator able to deliver up to 2 A DC. The output voltage adjustability ranges from 0.85 V to VIN. The wide input voltage range meets the specification for the 5 V, 12 V and 24 V power supplies.FEATURES
● 2 A DC output current● 4 V to 38 V operating input voltage
● Low consumption mode or low noise mode
● 30 µA IQ at light-load (LCM VOUT = 3.3 V)
● 8 µA IQ-SHTDWN
● Adjustable fSW (250 kHz - 2 MHz)
● Fixed output voltage (3.3 V and 5 V) or adjustable from 0.85 V to VIN
● Embedded output voltage supervisor
● Synchronization
● Adjustable soft-start time
● Internal current limiting
● Overvoltage protection
● Output voltage sequencing
● Peak current mode architecture
● RDS(on) HS = 180 mΩ, RDS(on) LS = 150 mΩ
● Thermal shutdown
APPLICATIONS
● Designed for 12 V and 24 V buses● Programmable logic controllers (PLCs)
● Decentralized intelligent nodes
● Sensors and low noise applications (LNM)
DESCRIPTION
Thanks to the Pchannel MOSFET high-side power element, the device features 100% duty cycle operation. The “low consumption mode” (LCM) is designed for applications active during idle mode, so it maximizes the efficiency at light-load with controlled output voltage ripple. The “low n...