
MIC2505/2506
Block Diagrams
CTL
Micrel
OSC.
CHARGE
PUMP
THERMAL
SHUTDOWN
UVLO
1.2V
REFERENCE
CURRENT
LIMIT
GATE
IN
CONTROL
Not Included in
MIC2505-1, -2
OPEN LOAD
DETECT
OUT
FLG
MIC2505/2505-1/2505-2
GND
GATE
MIC2505-Series Block Diagram
FLG A
CTL A
OPEN LOAD
DETECT
OUT A
CHARGE
PUMP
GATE
CONTROL
CURRENT
LIMIT
OSC.
CHARGE
PUMP
THERMAL
SHUTDOWN
UVLO
1.2V
REFERENCE
CURRENT
LIMIT
GATE
IN
CONTROL
CTL B
OPEN LOAD
DETECT
OUT B
FLG B
MIC2506
GND
MIC2506 Block Diagram
April 2004
7
M9999-042704