mc33988 Freescale Semiconductor, Inc, mc33988 Datasheet - Page 14

• Manufacturer Part Number: mc33988
• Description: Dual Intelligent High-current Self-protected Silicon High Side Switch
• Manufacturer: Freescale Semiconductor, Inc

14
33988
ELECTRICAL CHARACTERISTICS
TIMING DIAGRAMS
HS
VPWR - 0.5V
V
V
CS
VPWR - 3V
PWR
PWR
Tdly (on)
t
Current
DLY(ON)
Current
VPWR
0.5V
Load
Load
V
-3.5V
-0.5V
PWR
0.5V
I
I
I
I
I
I
I
I
I
I
I
OCH0
OCH1
OCL0
OCL1
OCL2
OCL3
OCL4
OCL5
OCL6
OCL7
I
OCHx
OCLx
Figure 6. Over-current Low and High Detection
SRrA
SR
Figure 4. Output Slew Rate and Time Delays
RA_SLOW
t
OCHx
Figure 5. Overcurrent Shutdown
SRrB
t
OCLx
SR
& SR
TIMING DIAGRAMS
t
RB_SLOW
OCL3
RA_FAST
t
OCL2
& SR
RB_FAST
t
OCL1
Tdly(off)
t
DLY_SLOW(OFF)
t
OCH
Analog Integrated Circuit Device Data
& t
DLY_FAST(OFF)
t
OCL0
SRfB
Time
SR
Freescale Semiconductor
FB_SLOW
SR
SRfA
Time
FA_SLOW
& SR
& SR
FB_FAST
FA_FAST