MIC2027 Datasheet, PDF (11/16 Pages) Micrel Semiconductor – Quad USB Power Distribution Switch Preliminary Information

MIC2027/2077
Block Diagram
RESET
(MIC2077 ONLY)
THERMAL
SHUTDOWN
LATCH
CHARGE
PUMP
FLAG
DELAY
GATE
CONTROL
CURRENT
LIMIT
ENB
ENC
OSC.
CHARGE
PUMP
THERMAL
SHUTDOWN
RESET
(MIC2077 ONLY)
THERMAL
SHUTDOWN
LATCH
RESET
(MIC2077 ONLY)
THERMAL
SHUTDOWN
LATCH
CHARGE
PUMP
UVLO
1.2V
REFERENCE
GATE
CONTROL
CURRENT
LIMIT
FLAG
DELAY
FLAG
DELAY
GATE
CONTROL
CURRENT
LIMIT
OSC.
THERMAL
SHUTDOWN
UVLO
1.2V
REFERENCE
END
CHARGE
PUMP
MIC2027
RESET
(MIC2077 ONLY)
THERMAL
SHUTDOWN
LATCH
GND
GATE
CONTROL
CURRENT
LIMIT
FLAG
DELAY
FLGA
OUTA
IN (A/B)
OUTB
FLGB
FLGC
OUTC
IN (C/D)
OUTD
FLGD
Micrel
June 2000
11
MIC2027/2077