SMH4812_09 Datasheet, PDF (5/18 Pages) Summit Microelectronics, Inc. – Distributed Power Hot-Swap Controller

9SMH4812
Preliminary
ABSOLUTE MAXIMUM RATINGS*
Temperature Under Bias ...................... –55°C to 125°C
Storage Temperature ........................... –65°C to 150°C
Lead Solder Temperature (10 secs) ................... 300 °C
Terminal Voltage with Respect to V_SS:
VDD ................................. –0.5V to VDD
OV, UV, DRAIN SENSE,
FS#, CBSENSE ..... –0.5V to V_DD+0.5V
PD1#, PD2#, ENPG, EN/TS ......... 10V
FAULT#, PG# ........ –0.5V to VDD+0.5V
VGATE ................................ V_DD+0.5V
*COMMENT
Stresses listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions
outside those listed in the operational sections of this specification is not
implied. Exposure to any absolute maximum rating for extended
periods may affect device performance and reliability.
AC OPERATING CHARACTERISTICS
Symbol
Description
t_CBD
Programmable 50mV Circuit Breaker delay
(filter)
t_VGD
Programmable Power Good delay
t_FSTSHTDN
t_CYC
t_CBRST
Fast shutdown delay from Fault to V_GATE off
Circuit breaker cycle time
CB_RESET pulse width
t_PUVF
Programmable Under-Voltage filter
t_PDD
Programmable Pin Detect
* = Default value
Min.
200
Typ.
5
50 *
150
400
50
250
500
1500
5*
20
80
160
200
2.5
OFF *
5
80
160
0.5
5
80 *
160
Max.
Units
µs
µs
µs
µs
µs
µs
µs
µs
ms
ms
ms
ms
ns
s
ns
—
ms
ms
ms
ms
ms
ms
ms
2055 Prog Table
SUMMIT MICROELECTRONICS, Inc.
2055 4.1 03/27/09
5