MIC23050_10 Datasheet, PDF (7/14 Pages) Micrel Semiconductor – 4MHz PWM Buck Regulator with HyperLight Load Switching Scheme

Micrel, Inc.
Functional Diagram
MIC23050
VIN
EN
CONTROL
UVLO
LOGIC
TIMER &
SOFTSTART
GATE
DRIVE
SW
REFERENCE
ERROR
COMPARATOR
Current Limit
ZERO 1
ISENSE
PGND
SNS
CFF
MIC23050 Simplified Block Diagram
AGND
January 2010
7
M9999-012010-D