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)： 26/26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 9 of 26
www.power-one.com
Hold-up Time and Output Response
When the input voltage is switched off, the output voltage will
remain high for a certain hold-up time t h (see fig. 7) before the
output voltage falls below 0.95 Vo nom. To achieve the hold-up
times indicated in fig. 8, AM, BM, CM, DM, and FM models
require an external series diode in the input line. This is
necessary to prevent the discharge of the input capacitor
through the source impedance or other circuits connected to
the same source. EM and LM models have a built-in series
diode. In AM, BM, CM, DM, and FM models, no series diode is
built-in, since it would generate additional power losses inside
the converter.
Note: For hold-up time with option V, refer to Option V.
The behavior of the outputs is similar with either the input
voltage applied or the inhibit switched low.
No output voltage overshoot occurs, when the converter is
turned on or off.
Fig. 7
Output response times versus Vi or inhibit control
Fig. 8
Typical hold-up time t h versus input voltage at Io nom
Output Current Allocation for Special Models
Output currents differing from those given for standard models
(see Model Selection) can be provided on request. A maximum
output power of 50 W should be considered, if an ambient
temperature range of – 40 to 71 °C is required. The maximum
permissible output currents are indicated in the table below. If
the output voltages are different from standard values, the
relevant output currents have to be adapted accordingly.
With reduced maximum ambient temperature or with forced
cooling, the total output power may exceed 50 W. Customized
configurations always need to be checked by a feasibility study
first. Please ask Power-One for more information.
Table 5: Current allocation with special models
Output voltage
Output 1
Output 2
Output 3
Temperature
all types
AM – LM2000
AM – LM3000
Vo1/2/3 nom [V]
Io1 max [A]
Io2 max [A]
Io3 max [A]
TA [°C ]
TC [°C ]
5.1
8.0
4.0
1.8 (2.5 1)
1.5
– 40 to 71
–25 to 95
12
4.0
2.0
1.5
1.2
15
3.4
1.7
1.2
1.0
24
2.0
1.0
0.7
0.5
2
5.1
10.0
4.5
2.1 (2.8 1)
1.8
–25 to 60
–25 to 90
12
5.0
2.5
1.7
1.5
15
4.0
2.0
1.5
1.3
24
2.5
1.3
0.9
0.7
5.1
11.0
5.0
2.4 (3.0 1)
2.0
–25 to 50
–25 to 85
12
6.0
3.0
2.0
1.7
15
4.6
2.3
1.7
1.5
24
3.0
1.5
1.0
0.8
1 Special high-current components required. 2 Vi min has to be increased.
0
tr
tf
t
0
Inhibit
1
Vo/Vo nom
0.1
t
0
1
0.95
th
Vi
05025a
2
345
6
1
0.1
1
1000
Vi DC
______
Vi min DC
th [ms]
10
100
LM
EM
CM/DM
AM/BM/FM
05024a
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