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参数资料
| 型号： | PKF4629PI |
| 厂商： | ERICSSON |
| 英文描述： | 3?7 W DC/DC Power Modules 48 V Input Series |
| 中文描述： | 3？7瓦特DC / DC电源模块48 V输入系列 |
| 文件页数： | 10/24页 |
| 文件大小： | 1768K |
| 代理商： | PKF4629PI |
10
EN/LZT 146 33 R1A (Replaces EN/LZT 137 09 R7) Ericsson Microelectronics AB, June 2000
PKF 4621
T
P
= –30…+85°C, V
I
= 38 ...72V and pin 8 connected to pin 9 unless otherwise specified.
I
O1nom
=0.25 A, I
O2nom
=0.25 A.
0
0.5
0
0.5
A
Characteristics
Conditions
Output 1
Output 2
4)
min
typ
max
min
typ
max
Unit
Output voltage initial
setting and accuracy
V
Oi
Output voltage
tolerance band
2)
V
O
Idling voltage
I
O
= 0A
Load regulation
I
O1
= 0.1…1.0 ×I
O1nom
, I
O2
= I
O2nom
,
V
I
= 53V
t
tr
Load transient voltage
V
tr
Temperature coefficient
2)
T
coeff
Ramp-up time
t
r
Start-up time
t
s
Output current
I
O
Max total output power
2)
P
Omax
Current limiting
threshold
3)
I
lim
T
P
<T
Pmax
,
V
O
= 10 V
Short circuit current
I
sc
V
O
= 0.2…0.5V, T
A
= +25°C
20 Hz…5 MHz
Line regulation
I
O
= I
Onom
Load transient
recovery time
11.83
12.00
12.18
12.00
4)
14.3
22.0
14.3
22.0
V
mV
200
320
650
200
330
650
mV
+200
+200
mV
–490
–490
mV
I
O
= I
Onom
, T
P
= +40…+90oC
–3.7
–3.7
mV/°C
1
1
ms
3
3
ms
1.0
1.0
A
50
100
50
100
mV
p-p
80
80
dB V
300
300
s
0.6…50 MHz
Output
V
I
= 38…60V
V
I
= 50…72V
–20
–20
–30
–30
Output adjust range
1)
10.20
13.80
1)
10.20
13.80
1)
V
V
Oac
Output ripple & noise
I
O
= I
Onom
f = 100 Hz sine wave, 1V
p-p
, V
I
= 53V
(SVR = 20 log (1 V
p-p
/V
Op-p
))
I
O
= I
Onom
,
0.1…0.9 × V
O
V
I
= 53V
1)
Can be adjusted to 15 V, see Operating Information.
2)
See Typical Characteristics.
3)
I
on each output is set by the total load.
4)
Output voltage on Output 2 is negative (–12V).
1.2
1.2
A
I
= 0.1…1.0 × I
O1nom
,
load step = 0.1A, I
O2
= I
O2nom
,
V
I
= 53V
Supply voltage rejection (ac)
SVR
I
= 0.1…1.0 × I
Onom,
V
I
= 53V
From V
I
connection to V
O
= 0.9 ×V
Oi
45
45
dB
T
P
=+25°C, I
O1
=I
O2
=0.15A, V
I
= 53V
W
6
11.50
12.50
11.40
12.60
V
1.2
1.6
Characteristics
Conditions
Unit
min
typ
max
P
d
Power dissipation
Miscellaneous
%
Efficiency
I
O
= I
Onom
79
83
V
I
= 53 V
V
I
= 67 V
V
I
= 53 V
V
I
= 67 V
79
82
1.3
1.6
W
Calculated value
Long term drift
included
I
O
= 0.1…1.0 × I
Omax
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