SMH4802 Datasheet, PDF (6/20 Pages) Summit Microelectronics, Inc. – Programmable -48V Hot-Swap Controller with Forced Shut Down

SMH4802
Preliminary Information
AC OPERATING CHARACTERISTICS
Symbol
Description
Min.
Typ.
5
50*
t_CBD
Programmable 50mV Circuit Breaker Delay (filter)
150
400
5*
20
t_PGD
Programmable Power Good Delay
80
160
t_QTSD d Quick Trip Shut Down
200
2.5
t_CYC
Circuit breaker cycle time
5
Off*
5
t_PUVF
Programmable Under-/Over-Voltage Filter
80
160
0.5
5
t_SD
Startup Delay ^Q
80 *
160
* = Default value
Q After UV and OV become valid there is a delay — t_SD — that precedes the turn on of VGATE. See Figure 6.
R Fast Shut Down delay from Fault to the beginning of VGATE off.
Max. Units
µs
ms
ns
s
s
—
ms
ms
ms
ms
ms
ms
ms
2062 AC Table
6
2062 2.3 6/19/03
SUMMIT MICROELECTRONICS, Inc.