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参数资料
| 型号： | 230H3020-2V2 |
| 元件分类： | 电源模块 |
| 英文描述： | 3-OUTPUT AC-DC REG PWR SUPPLY MODULE |
| 封装： | 168.50 X 111.20 MM, 38.70 MM HEIGHT, METAL, CASE H02, MODULE |
| 文件页数： | 14/16页 |
| 文件大小： | 358K |
| 代理商： | 230H3020-2V2 |
H-Family
AC-DC Converters <100 W
Benign Environment
10 - 68
Edition 2/96 - Melcher AG
MELCHER
The Power Partners.
10.3
0
t
0
Inhibit
1
Output
0.1
Uo nom
t
0
1
Ui
tr
tf
Output Response
The reaction of the outputs is similar whether the input volt-
age is applied or the inhibit is switched low.
An output voltage overshoot will not occur when the module
is turned on or off.
Table 6: Inhibit data
Characteristics
Conditions
min
typ
max
Unit
Uinh
Inhibit input voltage causing
switched on
Ui min...Ui max
– 50
0.8
V DC
output voltage being…
switched off
2.4
50
I inh
Inhibit current
Uinh = 0
–60
–100
–220
A
Fig. 8
Output voltage control by means of the R input
Fig. 7
Output response as a function of input voltage (on/off
switching) or inhibit control
Table 7: Output response time
Type of Converter
t r at Po = 0 and t f at Po = Po nom
t r and tf at Po = 3/4 Po nom
t r at Po = Po nom
Unit
typ
max
typ
max
typ
max
H1001-2R
3
17
3
17
5
25
ms
H1301-2R
5
25
8
30
10
40
H1501-2R
3
17
5
25
15
50
H1601-2R
8
30
15
45
20
70
H1901-2R
35
100
50
150
85
230
H2320-2
10
40
15
50
25
80
H2540-2
8
30
10
40
20
60
H3020-2
30
85
45
130
75
210
H3040-2
20
70
30
90
50
150
Programmable Voltage (R Input)
As a standard feature single output modules offer an ad-
justable output voltage identified by letter R in the type des-
ignation. The control input R (pin 14) accepts either a con-
trol voltage
Uext or a resistor Rext to adjust the desired out-
put voltage. When not connected, the control input auto-
matically sets the output voltage to
Uo nom. The control input
is protected against external overvoltage up to 8 V max.
a) Adjustment by means of an external control voltage
Uext
between pin 14 (R) and pin 17 (G):
The control voltage range is 0...2.75 V and allows an
adjustment in the range of approximately
Uo = 0...110 % Uo nom.
Uo
Uext ≈ ––––––– 2.5 V
U
o nom
b) Adjustment by means of an external resistor:
Depending upon the value of the required output volt-
age, the resistor shall be connected
either: Between pin 14 and pin 17 (
Uo < Uo nom) to
achieve an output voltage adjustment range of approx.
Uo = 0...100% Uo nom
U
o
R
ext ≈ 4 k ––––––––
U
o nom - Uo
or: Between pin 14 and pin 20 (
U
o > Uo nom) to achieve
an output voltage adjustment range of approximately
Uo = 100...110 % of Uo nom
(
Uo - 2.5 V)
R'
ext ≈ 4 k ––––––––––––––––
2.5 V (
Uo/Uo nom - 1)
For output voltages
Uo > Uo nom, the minimum input voltage
according to "Electrical Input Data" increases proportionally
to
Uo/Uo nom.
Warning
The value of
R'ext should never be less than 47 k to avoid
damage to the unit! R inputs may be parallel connected, but
1/Rtot = 1/R1 + 1/R2 +.... should be considered.
Conditions:
R input not used. For multiple output modules the figures indicated in the table above relate to the output which reacts
slowest. All outputs are resistively loaded. Variation of the input voltage within
Ui min...Ui max does not influence the values.
20
32
23
29
R
Vo1+
Vo1–
G
+
Uext
20
14
32
23
R
Vo1+
Vo1–
G
Rext
R'ext
17
14
–
4 k
2.5 V
29
control
circuit
4 k
2.5 V
control
circuit
Vi+
Vi–
Vi+
Vi–
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