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Analog Integrated Circuit Device Data
Freescale Semiconductor
9
34652
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
rchived by Freescale Semiconductor, Inc., 2008
DYNAMIC ELECTRICAL CHARACTERISTICS
 
Table 4. Dynamic Electrical Characteristics
Characteristics noted under conditions 15 V d V
PWR
 d 80 V and - 40癈 d T
A
 d 85癈. All voltages are referenced to VIN unless
otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
UNDERVOLTAGE CONTROL
UV Active to Gate Low Filter Time
t
UVAL

1.0

ms
OVERVOLTAGE CONTROL
OV Active to Gate Low Filter Time
t
OVAL

1.0

ms
DISABLE INPUT CONTROL PIN (DISABLE)
(14)
DISABLE Active to Gate Low Filter Time
t
DISAL

1.0

ms
CURRENT LIMIT CONTROL PINS (ILIM, ICHG)
Short Circuit Protection Delay
t
SCPD


10
約
Overcurrent Limit Filter Time
t
OCFT

100

約
Overcurrent Limit Regulation Time
t
OC

3.0

ms
I
CHG
 Rise Time
Default
Adjustable with an External Capacitor
t
ICHGR

1.0
1.0



ms
POWER GOOD OUTPUT PINS (PG, PG
)
(15)
Power Good Output Delay Time, from Power MOSFET Enhancement to PG
and PG
 Asserted
t
PG
10
28
46
ms
START-UP AND RETRY DELAY TIMER (TIMER)
Start-Up and Retry Delay Timer
Default
Maximum with External Resistor
Minimum with External Resistor
t
TIMER
130


200
1000
100
270


ms
Notes
14. Referenced to VPWR.
15. Referenced to VIN.
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