參數資料
型號: SMH4804
廠商: Summit Microelectronics, Inc.
英文描述: -48V Programmable Hot Swap Sequencing Power Controller
中文描述: - 48V的可編程序熱插拔電源控制器
文件頁數: 16/41頁
文件大?。?/td> 574K
代理商: SMH4804
AC Operating Characteristics
SMH4804
16
2050 3.7 10/30/02
Summit Microelectronics
AC OPERATING CHARACTERISTICS
(Over recommended operating conditions, unless otherwise notes. All voltages are relative to GND.)
Symbol
Description
Conditions
Min
Typ
Max
Unit
Comment
t
CBD
Programmable Over-Current Filter
t
CBD
= 5
μ
s
-25
t
CBD
+25
μ
s
See Figure 5,
Figure 6,
Figure 7, and
Figure 13
t
CBD
= 50
μ
s
1
1. Indicates default value
μ
s
t
CBD
= 150
μ
s
μ
s
t
CBD
= 400
μ
s
μ
s
t
PGD
Programmable power good delay
(PG1
PG2, PG2
PG3, PG3
PG4)
t
PGD
= 50
μ
s
-25
t
PGD
+25
%
See Figure 4
t
PGD
= 250
μ
s
%
t
PGD
= 500
μ
s
%
t
PGD
= 1000
μ
s
%
t
PGD
= 5 ms
1
%
t
PGD
= 20 ms
%
t
PGD
= 80 ms
%
t
PGD
= 160 ms
%
t
QTSD
Quick-Trip shutdown
200
ns
See Figure 7
t
CYC
Circuit breaker cycle mode cycle
time
t
CYC
= 2.5 s
1
-25
t
CYC
+25
%
See Figure 5
t
CYC
= 5 s
t
CBRST
CB
RESET
pulse width
200
ns
See Figure 6
t
PUVF
Programmable under-voltage filter
t
PUVF
= Off
1
-25
t
PUVF
+25
%
t
PUVF
= 5 ms
t
PUVF
= 80 ms
t
PUVF
= 160 ms
t
PDD
Programmable pin detect
t
PDD
= 0.5 ms
-25
t
PDD
+25
%
See Figure 6
and Figure 13
t
PDD
= 5 ms
t
PDD
= 80 ms
1
t
PDD
= 160 ms
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