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参数资料
| 型号： | PKF4918CSI |
| 厂商： | ERICSSON POWER MODULES AB |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 9 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | 0.315 INCH HEIGHT, SMD-18 |
| 文件页数： | 2/8页 |
| 文件大小： | 222K |
| 代理商： | PKF4918CSI |
2
EN/LZT 146 024 R1A Ericsson Power Modules AB, March 2003
Stress in excess of Absolute Maximum
Ratings may cause permanent damage.
Absolute Maximum Ratings, sometimes
referred to as no destruction limits, are
normally tested with one parameter at a
time exceeding the limits of Output data
or Electrical Characteristics. If exposed
to stress above these limits, function and
performance may degrade in an unspecied
manner.
Connections
* Output pin 3 is preferred, for optimum performance use both pin 1 & 3.
Absolute Maximum Ratings
Characteristics
Isolation voltage
(input to output test voltage)
VISO
min
max
Unit
TC
Case temperature at full output power
–45
+100
°C
TS
Storage temperature
–55
+125
°C
VI
Continuous input voltage1)
–0.5
+75
V dc
1,500
V dc
Vtr
Transient input energy
0.10
Ws
VRC
Remote control voltage pin 11 ref. to pin 17
–5
+15
V dc
Vadj
Output adjust voltage pin 8 ref. to pin 17
–5
+40
V dc
NOTES:
1) The input voltage range 36…75 V dc meets
the European Telecom Standard prETS
300 132-2 Nominal input voltage range in 48 V
and 60 V dc power systems,
–40.5…–57.0 V and –50.0… – 72.0 V respec-
tively. Absolute max continuous input voltage
is 75 V dc.
2) The power modules will operate down to
≤35V, when VI decreases, but will turn on at
VI ≤36V, when VI increases (see also Operating
information).
Input TC <TCmax unless otherwise specified
mW
Input stand-by power
PRC
VI
Input voltage range1)2)
36
75
V
VIoff
Turn-off input voltage
30.0
35.0
V
33.5
See typical characteristics
VIon
Turn-on input voltage
36.0
V
34.5
See typical characteristics
CI
Input capacitance
F
1.4
PIi
Input idling power
IO= 0, TC=–30…+95°C
(VI=53V)
(VI=66V)
550
700
(VI=53V)
(VI=66V)
40
60
TC=–30…+95°C,
RC connected to pin 17
Characteristics
Conditions
min
typ
max
Unit
32.0
Pin
Designation
Function
1
Out 1
Output 1*
2
Rtn
Output return.
3
Out 1
Output 1, Preferred output *. Positive voltage ref. to Rtn.
4-6
NC
Not connected. Isolated from each other.
7
Do not connect.
8
Vadj
Output voltage adjust.
9
NOR
Connection of Nominal Output voltage Resistor
10
TOA
Turn-on/off input voltage adjust.
11
RC
Remote control. Used to turn-on and turn-off output.
12–16
NC
Not connected. Isolated from each other.
17
–In
Negative input.
18
+In
Positive input.
18 17 16 15 14 13 12 11 10
1
234
56
7
8
9
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