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參數(shù)資料
| 型號： | SMH4046FC |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Hot-Swap, Active DC Output Control (ADOCTM) Power Manager with I2C lnterface |
| 中文描述： | 熱插拔，有源直流輸出控制（ADOCTM）電源管理器具有I2C lnterface |
| 文件頁數(shù)： | 11/51頁 |
| 文件大?。?/td> | 1024K |
| 代理商： | SMH4046FC |
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SMH4046
AC OPERATING CHARACTERISTICS
Preliminary Information
Summit Microelectronics, Inc
2082 1.7 08/23/04
11
Over recommended operating conditions, unless otherwise noted. All voltages are relative to GND. See Figure 5A and 5B Timing
diagrams.
Symbol
Description
t
DOCT
= 5.5
μ
s
t
DOCT
= 8.5
μ
s
t
DOCT
= 11.5
μ
s
t
DOCT
= 14.5
μ
s
t
DOCT
= 17.5
μ
s
t
DOCT
= 20.5
μ
s
t
DOCT
= 23.5
μ
s
t
DOCT
= 26.5
μ
s
t
DOCT
= 29.5
μ
s
t
DOCT
= 32.5
μ
s
t
DOCT
= 35.5
μ
s
t
DOCT
= 38.5
μ
s
t
DOCT
= 41.5
μ
s
t
DOCT
= 44.5
μ
s
t
DOCT
= 47.5
μ
s
t
DOCT
= 50.5
μ
s
t
DPON
= 1 ms
t
DPON
= 20 ms
t
DPON
= 40 ms
VM
X
out-of-fault to PUP
Y
active
t
DPON
= 75 ms
t
DPOFF
= 1 ms
t
DPOFF
= 20 ms
t
DPOFF
= 40 ms
VM
X
off to PUP
Y
inactive
t
DPOFF
= 75 ms
t
PRTO
= 1 ms
t
PRTO
= 40 ms
t
PRTO
= 150 ms
Period
t
PRTO
= 300 ms
t
STT
= 40 ms
t
STT
= 75 ms
t
STT
= 150 ms
Termination Timer
t
STT
= 300 ms
Time for ADC conversion
of all 11 channels
Update period for Active
DC Control of channels
A – C
Slow Margin, + 10%
change in voltage with
0.1% ripple
TRIM_CAP=1
μ
F
T
MARGIN
Margin Time from Nominal
Fast Margin, + 10%
change in voltage with
0.1% ripple
TRIM_CAP=1
μ
F
Conditions
Min
Typ
Max
Unit
t
DOCT
Programmable Over Current Trip
Delay Time
-15
t
DOCT
+15
%
t
DPON
Programmable Power-on delay from
-15
t
DPON
+15
%
t
DPOFF
Programmable Power-off delay from
-15
t
DPOFF
+15
%
t
PRTO
Programmable Reset Time-Out
-15
t
PRTO
+15
%
t
STT
Programmable Sequence
-15
t
STT
+15
%
t
ADC
10-bit ADC sampling period
2
ms
t
DC_CONTROL
Active DC Control sampling period
1.7
ms
850
ms
85
ms
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