參數(shù)資料
型號(hào)： LMZ1601-7R
廠商： POWER-ONE INC
元件分類： 電源模塊
英文描述： 1-OUTPUT 50 W AC-DC REG PWR SUPPLY MODULE
文件頁(yè)數(shù)： 23/26頁(yè)
文件大?。?/td> 771K
代理商： LMZ1601-7R
M Series Data Sheet
50 Watt DC-DC and AC-DC Converters
BCD20018 Rev AB
Page 6 of 26
www.power-one.com
Input Fuse
A fuse holder containing a slow-blow type fuse (size: 5 × 20
mm) is mounted in the back plate of the converter. The fuse
protects the converter against severe defects. It may not fully
protect it at input voltages exceeding 200 VDC. In applications,
where the converters operate at DC source voltages above
200 VDC, an external fuse or a circuit breaker at system level
should be installed.
The fuse and a VDR form together with the input filter an
effective protection against high input transients.
Note: For applications, where the fuse should not be accessible;
see Option F.
Table 3: Fuse types (slow-blow)
Series
Schurter type
Part number
AM1000 – 3000
SPT 10 A /250 V
0001.2514
BM1000 – 3000
SPT 8 A /250 V
0001.2513
FM1000 – 3000
SPT 5 A /250 V
0001.2511
CM1000 – 3000
SPT 3.15 A /250 V
0001.2509
DM1000 – 3000
SPT 2.5 A /250 V
0001.2508
EM1000 – 3000
LM1000 – 3000
Fig. 2
Typical input current versus relative input voltage at
nominal output load
Vi DC
________
Vi min DC
23
4
5
6
1
0.1
1.0
10
AM
Ii [A]
LM
BM
FM
CM
DM
EM
04014a
70
350
60
300
50
250
40
200
30
150
20
100
10
50
0
80
400
0
0.8
2.0
1.0
2.5
1.2
3.0
1.4
3.5
1.6
4.0
0.6
1.5
0.4
1.0
0.2
0.5
AM
BM
CM
FM
EM
A-EM
LM
Ii [A]
LM
DM
t [ms]
LM A-EM
04015a
Input Under-/Overvoltage Lockout
If the input voltage remains below 0.8 Vi min or exceeds approx.
1.1 Vi max, an internally generated inhibit signal disables the
output(s). When checking this function the absolute maximum
input voltage rating Vi abs must be carefully considered (see
table Input data).
Note: When Vi is between Vi min and the undervoltage lockout
level, the output voltage may be below the value defined in table
Output data.
Reverse Polarity
Reverse polarity at the input of AM, BM, CM, DM, and FM
models will cause the fuse to blow. In EM and LM models a
series diode will protect the converter. A series diode is not
incorporated in AM, BM, CM, DM and FM types to avoid
unwanted power losses.
Inrush Current
The CM, DM, EM, and LM (excluding FM) models incorporate
an NTC resistor in the input line, which (during the initial
switch-on cycle) limits the peak inrush current in order to
prevent the connectors and switching devices from damage.
Subsequent switch-on cycles within a short interval will cause
an increase of the peak inrush current due to the warming-up
of the NTC resistor. Refer to Option E.
Fig. 3
Typical inrush current at initial switch-on. Vi max (DC) and
nominal output load
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