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参数资料
| 型号： | 20MX15-12-12-8RIZ |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 2-OUTPUT 15.6 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 5/20页 |
| 文件大小： | 319K |
| 代理商： | 20MX15-12-12-8RIZ |
Board Mountable
DC-DC Converters
IMX/IMY 15 Series
Edition 7/5.2000
13/20
a) Adjustment by means of an external resistor
Rext:
Programming of the output voltage by means of an exter-
nal resistor
Rext is possible within a limited range of
100...105% of
Uo nom. Rext should be connected between
the Trim pin and Vi–. Connection of
Rext to Vi+ may dam-
age the converter. The following table indicates suitable
resistor values for typical output voltages under nominal
conditions (
Ui nom, Io = 0.5 Io nom), with either paralleled
outputs or equal load conditions on each outputs.
b) Adjustment by means of an external voltage source
Uext.
For external output voltage programming in the range
75...105% of
Uo nom a (0...20 V) source Uext is required,
connected to the Trim pin and Vi–. The table below indi-
cates typical
Uo versus Uext values under nominal condi-
tions (
Ui nom, Io = 0.5 Io nom), with either paralleled outputs
or equal load conditions on each output. Applying a con-
trol voltage >20 V will set the converter into a hiccup
mode. Direct paralleling of the Trim pins of units con-
nected in parallel is feasible.
Table 9b: Uo versus Uext for Uo = 75...105% Uo nom;
typical values (Ui nom, Io1/2 = 0.5 Io1/2 nom)
Uo [% Uo nom]
Uext [V]
≥105
0
102
1.6
95
4.5
85
9
75
13
Table 9a: Rext1 for Uo > Uo nom;
approximate values (Ui nom, Io1, 2 = 0.5 Io1/2 nom)
Uo [% Uo nom]
Rext [k]
105...108 (107 typically)
0
105
1.5
104
5.6
103
12
102
27
101
68
100
∞
Electromagnetic Immunity
Table 10: Immunity type tests
Phenomenon
Standard 1
Class
Coupling
Value
Waveform
Source
Test
In
Per- 3
Level
mode 2
applied
Imped.
procedure
oper. form.
Electrostatic
IEC/EN
2
contact discharge
4000 Vp
1/50 ns
330
10 positive and
yes
B
discharge
61000-4-2
(R pin open)
10 negative
to case
3
air discharge
8000 Vp
discharges
(R pin open)
Electromagnetic
IEC/EN
3
antenna
10 V/m
AM 80%
26…1000 MHz
yes
A
field
61000-4-3
1 kHz
ENV 50204
PM, 50% duty
900 MHz
cycle, 200 Hz
resp. frequ.
Electrical fast
IEC/EN
4
direct +i/–i
4000 Vp
bursts of 5/50 ns
50
1 min positive
yes
B
transient/burst
61000-4-4
5 kHz rep. rate
1 min negative
transients with
transients per
15 ms burst
coupling mode
duration and a
300 ms period
Surge
IEC/EN
3
+i/–i
2000 Vp
1.2/50
s2
5 pos. and 5 neg.
yes
B
61000-4-5 5
impulses per
coupling mode
Conducted
IEC/EN
3
+i/–i
10 Vrms
AM modulated
50
0.15...80 MHz
yes
A
disturbancies
61000-4-6
(140 dB
V)
80%, 1 kHz
150
Transient
ETR 283
+i/–i
150 Vp
0.1/0.3 ms
limited to
3 positive
yes
B
(19 Pfl 1) 4
<100 A
1 Related and previous standards are referenced in: Technical Information: Standards.
2 i = input, o = output.
3 A = normal operation, no deviation from specification, B = temporary deviation from specs. possibe.
4 For 40 IMX 15 types (additional external components required). Not applicable for 20 IMX 15 types.
5 External components required.
which typically occur in many installations, but especially in
battery driven mobile applications.
Electromagnetic Compatibility (EMC)
A suppressor diode together with an input filter form an ef-
fective protection against high input transient voltages
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