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參數(shù)資料
| 型號： | PD64012 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 12-channel PoE Manager |
| 中文描述： | 12通道供電管理 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 496K |
| 代理商： | PD64012 |
PD64012
12-CHANNEL PoE MANAGER
Electrical Characteristics for Analog I/O Pads
PARAMETER
Pin Name
Operating voltage
Current consumption
Pin Name
Output voltage
Dynamic Characteristics
The PD64012 is an advanced power-limiting device that uses three programmable current level thresholds (I
min
, I
cut
,
I
lim
) and two timers (T
min
, T
cut
), to operate as shown in Figure 2. Loads that dissipate more than I
cut
for longer than
T
cut
(OVL_S to OVL) are classified as overloads and are automatically shutdown. Output power dissipation below
I
min
for during more than T
min
(UDL_S to UDL) will be classified as no-load and will also be shutdown. Automatic
recovery from overload and no-load conditions are attempted every
T
OVLREC
and
T
UDLREC
periods (typically 5 and 1
seconds, respectively). In any case, output power is limited to I
lim,
which is a maximum peak power allowed at the
port.
PARAMETER
CONDITIONS
Automatic recovery from
overload shutdown
(can be modified through control port)
Automatic recovery from
no-load shutdown
(can be modified through control port)
Cutoff timers accuracy
Typical accuracy of T
cut
MIN.
MAX.
UNIT
REMARKS
(continued)
ASICINI, I2CINI
0
-1
I
REF
1.21
ADC
2p5
+1
V
μA
1.34
V
With external 24.9 k
resistor to ground
MIN.
TYP.
MAX.
UNIT
s
T
OVLREC
value, measured from port shutdown
5
T
UDLREC
value, measured from port shutdown
1
s
10
ms
Inrush current
Output current
operating range
Output power available,
operating range
Off mode current
I
Inrsh
I
port
For t=50 ms, C
load
=180 uF max.
Continuous operation after
startup period.
Continuous operation after
startup period, at port output.
Must disconnect for t greater than
T
UVL
May or may not disconnect for t
greater than T
UVL
Buffer period to handle
transitions
400
10
450
350
mA
mA
P
port
0.57
15.4
W
I
min1
0
5
mA
I
min2
5
7.5
10
mA
PD power maintenance
request drop-out time
limit
Over load current
detection range
Over load time limit
Turn on rise time
T
PMDO
300
400
ms
I
cut
Time limited to T
OVL
350
400
mA
T
OVL
T
rise
From 10% to 90% of V
port
(specified for PD load consisting
of 100 uF capacitor in parallel to
200
).
50
15
75
ms
us
Turn off time
Toff
From V
port
to 5 Vdc
500
ms
Thermal Data
Power consumption
– the internal power consumption of a single device from the DC input is based on:
Input voltage range………… 44 to 57 VDC
Input current………………… 10 mA typ.; 15 mA max.
www.powerdsine.com
06-0003-058 (Rev. 2.8) / 5 August 2004
PowerDsine 2003
Information in this document subject
to change without prior notice.
4
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