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参数资料
| 型号： | PKA2323CI |
| 厂商： | ERICSSON |
| 英文描述： | 25-40 W DC/DC Power Modules 24 V Input Series |
| 中文描述： | 25-40中西区区议会/ DC电源模块24 V输入系列 |
| 文件页数： | 9/20页 |
| 文件大小： | 864K |
| 代理商： | PKA2323CI |
EN/LZT 146 09 R1A Ericsson Microelectronics AB, June 2000
9
PKA 2231 PI, CI
T
C
= 0
…
+95
°
C, V
I
= 19...35 V unless otherwise specified. I
O1nom
= 3.8 A, I
O2, 3nom
= 0.25 A.
Characteristics
Conditions
Unit
min
typ
max
Efficiency
Power dissipation
P
d
Miscellaneous
78
82
%
5.5
W
I
O
= I
Onom
, V
I
= 26 V
I
O
= I
Onom
, V
I
= 26 V
0
5
0
1
0
1
A
Characteristics
Conditions
Output 1
min
typ
max
Unit
Output voltage initial
setting and accuracy
T
C
=+25
°
C, I
O
=I
Onom
, V
I
= 26 V
V
Oi
Output voltage
tolerance band
V
O
Idling voltage
I
O
=25 mA
Load regulation
I
O1
=0.1
…
1.0 I
Onom
, I
O2, 3
= I
Onom
,
V
I
= 26 V
t
tr
Load transient voltage
V
tr
Temperaturecoefficient
2)
T
coeff
Ramp-up time
t
r
Start-up time
t
s
0.1
…
0.9 V
O
From V
connection to
V
O
= 0.9 V
Oi
Output current
I
O
Max total output power
3)
P
Omax
Current limiting
threshold
I
lim
T
C
<T
C max
Short curcuit current
1)
I
sc
I
O
=I
Onom
20 Hz
…
5 MHz
Supply voltage
rejection (ac)
SVR
f = 100 Hz sine wave, 1V
p-p
, V
I
= 26 V
(SVR = 20 log (1 V
p-p
/V
Op-p
))
I
=
0.1
…
1.0 I
Onom
,
V
I
= 26 V
Line regulation
Load transient
recovery time
5.50
15.90
15.90
V
52
mV
100
100
100
s
+250
+650
+650
mV
–
250
–
650
–
650
mV
I
O
=I
Onom
, T
C
<T
C max
±
0.5
±1.2
±1.2
mV/
°
C
90
150
150
mV
p-p
V
Oac
50
43
43
dB
min
typ
max
Output 2
30
30
30
ms
I
O
=I
Onom
Output 3
min
typ
max
5.10
5.13
5.17
11.85
±4%
11.85
±4%
V
5.00
5.34
V
62
168
168
mV
10
10
10
ms
min 25, max 15 on Out 2 + Out 3
min 1.02 P
Omax4)
W
Output ripple & noice
Output
Output adjust range
1)
%
±10
1)
See Operating Information.
2)
Temperature coefficient is neutral at low temperatures.
3)
See Typical Characteristics, Power derating.
4)
I
lim
on each output is set by the total load.
I
O
=0.1
…
1.0 I
Onom,
I
O2, 3
=I
Onom
Long term drift
included
I
=0.1
…
1.0 I
Onom
, V
I
= 26 V
load step = 80% of I
Onom
symmetrical load, I
O2, 3
= I
Onom
di
dt
<0.1A/ s
A
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