參數(shù)資料
型號(hào)： 24IMS15-15-15-9I
廠商： POWER-ONE INC
元件分類(lèi)： 電源模塊
英文描述： 2-OUTPUT 16.8 W DC-DC REG PWR SUPPLY MODULE
封裝： 2 INCH X 1.600 INCH, 10.50 MM HEIGHT, PACKAGE-9
文件頁(yè)數(shù)： 9/14頁(yè)
文件大?。?/td> 161K
代理商： 24IMS15-15-15-9I
Board Mountable
DC-DC Converters
IMS 15 Series
REV. JUN 09, 2004
4/14
Electrical Input Data
General conditions:
–TA = 25
°C, unless TC is specified.
– Shut down pin left open circuit (not connected).
– Trim or R input not connected.
Table 2: Input Data
Input
24 IMS
48 IMS
Characteristics
Conditions
min
typ
max
min
typ
max
Unit
Ui
Input voltage range 1
TC min...TC max
14
36
75
V DC
Ui nom
Nominal input voltage
Io = 0...Io nom
24
48
Ui sur
Repetitive surge
Abs. max input (3 s)
50
100
voltage
tstart up
Converter
Switch on
Worst case condition at
0.25
0.5
0.25
0.5
s
start-up time
SD high
Ui min and full load 2
0.1
trise
Rise time
Ui nom, Io = Io nom 2
55
ms
Ii o
No load input current
Io = 0, Ui min...Ui max
20
40
10
20
mA
C i
Input capacitance
for surge calculation
4.0
2.0
F
USD
Shut down voltage
Unit disabled
–10...0.7
V DC
Unit operating
2.0...20
RSD
Shut down input
10
k
resistance
ISD
Input current
Ui min...Ui max
1.2
3
1.2
3
mA
if unit shut down
Iinr p
Inrush peak current 4
Ui = Ui nom
5
4.5
A
fs
Switching frequency
Ui min...Ui max, Io = 0...Io nom
approx. 350
kHz
Ii rr
Reflected
Io = 0...Io nom
30
mApp
ripple current
ui RFI
Input RFI level conducted
EN 55022 3
BB
1 Ui min will not be as stated if Uo is increased above Uo nom by use of the R or Trim input. If the output voltage is set to a higher value,
Ui min will be proportionally increased.
2 Measured with a resistive and the max. admissable capacitive load.
3 Measured with a lead lenght of 0.1 m, leads twisted. Double output units with both outputs in parallel.
4 Source impedance according to ETS 300132-2.
Uo nom
Uo
tstart up
trise
t
04008
Fig. 6
Converter start-up and rise time.
Inrush Current
The inrush current has been kept as low as possible by
choosing a very small input capacitance.
A series resistor may be installed in the input line to further
limit this current.
Fig. 5
Typical inrush current at Ui nom, Po nom versus time
(48 IMS 15). Source impedance according to
prETS 300132-2, version 4.3 at Ui nom.
I [A]
t [
s]
04022
0
10
20
30
40
50
60
70
80
90
100
4
3
2
1
Input Undervoltage Lock-out
The IMS 15 converters are fitted with a defined input under-
voltage lock-out (approx. values):
24 IMS 15
turn off
12.5 V
turn on
13 V
48 IMS 15
turn off
31.5 V
turn on
32 V
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