参数资料
型号: LT1240-7DZFB1
厂商: POWER-ONE INC
元件分类: 电源模块
英文描述: 1-OUTPUT 500 W AC-DC REG PWR SUPPLY MODULE
封装: CASE T01, MODULE
文件页数: 29/33页
文件大小: 864K
代理商: LT1240-7DZFB1
Cassette Style
AC-DC Converters
T Series
Edition 5/5.2000
5/33
Electrical Input Data
General conditions:
TA = 20
°C
Table 2a: Input Data LT types
Input
LT 12xx
LT 17xx
LT 18xx
Characteristic
Conditions
min
typ
max
min
typ
max
min
typ
max Unit
Ui
Input voltage range
AC
155
255
155
255
130
255 Vrms
with full output power
(47...63 Hz)
Ui red
Input voltage range with
85
155
85
155
85
130
reduced output power 1
Ui nom Nominal input voltage
230
Ii nom
Nominal input current
Ui nom, Po nom
1.9
2.6
2.2
Arms
Ii L
Input current limit
3
4
Pi 0
No-load input power
Ui min...Ui max, I o = 0
6
8
W
Pi inh
Input power when inhibited
Ui min...Ui max, inhibit = low
3
PF
Power factor 2
Ui nom, Io nom
96
98
%
Ci
Input capacitance 3
Ui nom
44
4
F
ton
Switch on delay
Ui nom, Po nom
400
ms
ui RFI
Input RFI level 4
Io = Io nom
BBB
EN 55014, EN 55011/022
Ui p
Input overvoltage protection 5
264
264 Vrms
Ui L
Input undervoltage lock-out
75
V
F
Input fuse 5
× 20 mm
6.3
A
ftr
Switching frequency
65.536
kHz
Table 2b: Input Data UT types
Input
UT 12xx
UT 17xx
Characteristic
Conditions
min
typ
max
min
typ
max
Unit
Ui
Input voltage range
AC
95
140
100
140
Vrms
with full output power
(47...63 Hz)
Ui red
Input voltage range with
70
95
70
100
reduced output power 1
Ui nom Nominal input voltage
115
Ii nom
Nominal input current
Ui nom, Po nom
3.8
5.2
Arms
Ii L
Input current limit
5
6
Pi 0
No-load input power
Ui min...Ui max, I o = 0
6
8
W
Pi inh
Input power when inhibited
Ui min...Ui max, inhibit = low
3
PF
Power factor 2
Ui nom, Io nom
98
%
Ci
Input capacitance 3
Ui nom
44
F
ton
Switch on delay
Ui nom, Po nom
400
ms
ui RFI
Input RFI level 4
Io = Io nom
BB
EN 55014, EN 55011/022
Ui p
Input overvoltage protection 5
165
Vrms
Ui L
Input undervoltage lock-out
65
V
F
Input fuse 5
× 20 mm
10
A
ftr
Switching frequency
65.536
kHz
1 The output power is reduced because of the input current limitation Po ≈ Ui [Vrms] IiL [Arms] h
2 Power factor as a function of the input voltage and load as well as harmonic distortion see Power Factor, Harmonics.
3 Inrush current stays factor 10 below ETS 300132-1.
4 150 kHz...30 MHz: CISPR 11/22/EN 55011/22 class B, 30...300 MHz: CISPR14/EN 55014
5 In case of overvoltage the unit switches off temporarily, resulting in reduced output power and increased RFI.
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