MK9019 高压100V Input, Ultra-Low IQ, Synchronous Buck Converter

The MK9019 operates over a wide input
voltage range from 4.5V to 100V. With
integrated the main MOSFET and a
synchronous MOSFET, the MK9019 delivers
up to 1A output current. With the 3A current
limit, MK9019 can deliver 3A peak current for
some special applications. The MK9019 adopts a constant on-time (COT)
control architecture to achieve excellent
transient response. With patented standby circuits, the device can
achieve ultra-low IQ, and exit the standby
mode fast.

FEATURES
 Wide Input Voltage 4.5V-100V
 3A Current limit
 Low RDS(ON) for Internal MOSFETS
500mΩ/250mΩ
 <200μA
Supply
Current
under
ILOAD=100μA
 MK9019 Adjustable FSW up to 1MHz
 Internal 3ms Soft-start
 Smart power saving and ultra-Fast Transient
Response
 Precision ±1% Feedback Reference
 Open-Drain Power Good Indicator
 OC, OT Protection with Hiccup Mode
 No Loop Compensation Components
 ESOP8 Package with Thermal PAD
APPLICATIONS
 GPS tracker
 Automotive and Industry Systems
 Motor Drives, Telecom
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