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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 11/26頁 |
| 文件大?。?/td> | 771K |
| 代理商： | LMZ1601-7R |
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M Series Data Sheet
50 Watt DC-DC and AC-DC Converters
BCD20018 Rev AB
Page 19 of 26
www.power-one.com
- 7 Former Standard Temperature Range
Option -7 stays for the operational ambient temperature range
from –25 to 71 °C, which may be preferred by some customers
for reasons of documentation or approvals.
A Test Sockets
Test sockets (pin = 2 mm, distance d = 5.08 mm) are located
at the front of the converter. The output voltage is sensed at the
connector pins inside of the converter. Outputs 2 and 3 of
triple-output models are not sensed.
P Potentiometer
Built-in multi-turn potentiometers provide an output voltage
adjustment range of minimum ± 5% of Vo nom and are
accessible through holes in the front cover. Compensation of
voltage drop across connector and wiring becomes easily
achievable. For output voltages Vo > Vo nom, the minimum input
voltage
according
to
Electrical
Input
Data
increases
proportionally to Vo/Vo nom. Triple-output models allow only the
adjustment of Vo1.
Note:
Potentiometers
are
not
recommended
for
mobile
applications.
E Electronic Inrush Current Limitation
Available for CM, EM and LM models.
The standard version of the models CM, DM, EM and LM
include a passive inrush current limitation with an NTC resistor.
For applications, which require an improved inrush current
Description of Options
Table 17: Survey of options
Option
Function of option
Characteristic
-7
Former standard operational ambient temperature range
TA = – 25 to 71°C
A
Test sockets at front panel for check of output voltage
Vo internally measured at the connector terminals
E
Electronic inrush current limitation circuitry
Active inrush current limitation for CM, EM, LM models
P 1
Potentiometer for fine adjustment of output voltage
Adjustment range ±5% of Vo nom, excludes R input
F
Input fuse built-in inside case
Fuse not externally accessible
H
Enhanced output to case electric strength test voltage
See table Isolation
D 2
Input and/or output undervoltage monitoring circuitry
Safe data signal output (D0 – D9)
V 2 3
Input and/or output undervoltage monitoring circuitry
ACFAIL signal according to VME specifications (V0, V2, V3)
1 Models equipped with option P do not provide the R function; pins 14 and 17 are not connected.
2 Option D excludes option V and vice versa
3 Only available if main output voltage Vo1 = 5.1 V
Table 18: Configuration of option A and option P
Type of option
AM
– LM1000
AM
– LM2000
AM
– LM3000
Output 1
Output 2
Output 1
Output 2
Output 3
Potentiometer 1
yes
no
Test sockets
yes
no
1 Models equipped with option P do not provide the R function; pins 14 and 17 are not connected.
Input
filter
Control logic
Converter
FET
Ci
RI
RS
Rectifier
(LM models)
11018a
Fig. 18
Option E block diagram
limitation, an active electronic circuit as shown in fig. Option E
block diagram has been developed. Typical inrush current
waveforms of units equipped with this option are shown below.
CM models meet the CEPT/ETSI standards for 48 V supply
voltage according to ETS 300132-2, if fitted with option E
combined with option D6 (input voltage monitoring). Option D6,
externally adjustable via potentiometer, is necessary to disable
the converter at input voltages below the actual service
ranges, avoiding an excessive input current when the input
voltage is raised slowly according to ETS 300132-2. Option D6
threshold level Vti + Vhi (refer to description of option D) should
be adjusted to 36 – 40.5 V for 48 V nominal supply voltage (for
60 V systems, threshold should be set to 44 – 50 V). The D
output (pin 5) should be connected to the inhibit (pin 2). For
applications, where potentiometers are not allowed, refer to
option D9.
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