mic4720yml Micrel Semiconductor, mic4720yml Datasheet - Page 8

• Manufacturer Part Number: mic4720yml
• Description: Mic4720 3mm X 3mm 2.0mhz 2a Integrated Switch Buck Regulator
• Manufacturer: Micrel Semiconductor

Functional Diagram
Micrel, Inc.
May 2007
BIAS
EN
VIN
VIN
Control Logic
Enable and
SGND
Shutdown
Thermal
UVLO,
Bias,
MIC4720 Block Diagram
8
Control
PWM
Start
Soft
HSD
Current Limit
P-Channel
1.0V
1.0V
EA
PGND
SW
SW
FB
PGOOD
M9999-051707
MIC4720