
STMicroelectronics
Description
The A6986F automotive grade device is a step down monolithic switching regulator able to deliver up to 1.5 A DC. The output voltage adjustability ranges from 0.85 V to VIN. The 100% duty cycle capability and the wide input voltage
range meet the cold crank and load dump specifications for automotive systems.
FEATUREs
AECQ100 qualification
1.5 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
RDSON HS = 180 m, RDSON LS = 150 m
Thermal shutdown
APPLICATIONs
Designed for automotive systems
Battery powered applications
Car body applications (LCM)
Car audio and low noise applications (LNM)