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参数资料
| 型号： | 20MX15-12-12-8 |
| 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： | 16/20页 |
| 文件大小： | 319K |
| 代理商： | 20MX15-12-12-8 |
Board Mountable
DC-DC Converters
IMX/IMY 15 Series
Edition 7/5.2000
5/20
PWM
2
× 2200 pF
1
2
3
4
11
12
15
13
Vi+
SD
Vi –
Vo1+
Vo1–
Trim
Vo2+
Vo2–
03090
17
n.c.
PWM
2
× 2200 pF
1
2
3
4
11
12
15
13
Vi+
SD
Vi —
Vo1+
Vo1—
n.c.
Vo2+
Vo2—
03092
17
R
Fig. 4
Block diagram, double output types, standard pinout.
Fig. 5
Block diagram, double output types with option R.
Electrical Input Data
General conditions:
– TA = 25°C, unless TC is specified.
– Shut down pin left open circuit (not connected).
– Trim or R input not connected.
Table 2: Input Data
Input
20 IMX
40 IMX
110 IMY
Characteristics
Conditions
min
typ
max
min
typ
max
min
typ
max
Unit
Ui
Input voltage range 1
TA min...TA max
8.4 5
36
16.8 5 6
75
50 5 7
150
V DC
Ui nom
Nominal input voltage
Io = 0...Io nom
20
40
110
Ui sur
Repetitive surge voltage
Abs. max input (3 s)
40
9
100
168
tstart up
Converter
Switch on
Worst case condition at
0.25
0.5
0.25
0.5
0.25
0.5
s
start-up time 2
SD high
Ui min and full load
0.1
trise
Rise time 2
Ui nom resist load
5
ms
Io nom capac. load
10
20
10
20
10
20
Ii o
No load input current
Io = 0, Ui min...Ui max
40
20
10
mA
Iirr
Reflected ripple current
Io = 0...Io nom
30
20
Iinr p
Inrush peak current 3
Ui = Ui nom
89
10
A
C i
Input capacitance
for surge calculation
1.5
0.75
0.35
F
USD
Shut down voltage
Unit shut down
–10...0.7
V DC
Unit operating
open or 2...20
RSD
Shut down input resistance For current calculations
approx. 10
k
ISD
Input current if unit
Ui min...Ui max
63
1
mA
shut down
fs
Switching frequency
Ui min...Ui max, Io = 0...Io nom
approx. 300
kHz
ui RFI
Input RFI level conducted
EN 55022 4
B 8
BB
1 Ui min will not be as stated if Uo is increased above Uo nom by use of the R or the Trin input. If the output voltage is set to a higher value,
Ui min will be proportionately increased.
2 Measured with resistive and max. admissible capacitive load.
3 Source impedance according to prETS 300132-2, version 4.3.
4 Measured with a lead length of 0.1 m, leads twisted. Double output units with both outputs in parallel.
5 Input undervoltage lock-out at typ. 80% of Ui min.
6 Short time operation down to Ui min >14.4 V possible. Po reduced to approx. 85% of Po nom.
7 Short time operation down to Ui min >43.2 V possible. Po reduced to approx. 85% of Po nom.
8 20 IMX 15 types require 4.7
F/50 V capacitance accross the input (Polyester, Philips 372 series).
9 See: Transient ETR 283 (19Pfl1), Electromagnetic Immunity.
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