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参数资料
| 型号： | PKF4622SI |
| 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： | 6/24页 |
| 文件大小： | 1768K |
| 代理商： | PKF4622SI |
6
EN/LZT 146 33 R1A (Replaces EN/LZT 137 09 R7) Ericsson Microelectronics AB, June 2000
0
1.5
A
PKF 4310
Characteristics
Conditions
Output 1
min
typ
max
Unit
Output voltage initial
setting and accuracy
V
Oi
Output voltage
tolerance band
V
O
Idling voltage
I
O
= 0A
Load regulation
I
O
= 0.1…1.0 × I
Omax
, V
I
= 53V
t
tr
Load transient voltage
V
tr
Temperature coefficient
2)
T
coeff
t
r
Start-up time
t
s
I
O
Max output power
2)
P
Omax
Current limiting
threshold
I
lim
T
P
<T
Pmax
, V
O
= 1.9V
Short circuit current
I
sc
V
O
= 0.2…0.5V, T
A
=+25°C
20 Hz…5 MHz
Line regulation
I
O
=I
Omax
Load transient
recovery time
2.07
2.12
2.17
V
2.7
3.0
V
mV
70
220
mV
+80
mV
–
135
mV
T
P
= –30…+85°C, V
I
= 38 ...72V and pin 8 connected to pin 9 unless otherwise specified.
–0.5
mV/°C
0.3
ms
2.2
ms
3.2
W
2.0
3.3
A
2.8
A
30
70
mV
p-p
80
dB V
100
s
0.6 …50 MHz
V
Long term drift
included
Output
2.01
2.28
2.01
2.21
I
O
= 0.1…1.0 × I
Omax
I
O
= 0.3…1.0 × I
Omax
V
I
= 38…60V
V
I
= 50…72V
10
20
Output adjust range
1)
1.76
2.47
V
I
= 0.1…1.0 × I
Omax
, V
I
= 53V
load step = 0.5 × I
Omax
60
dB
1)
See also Operating Information.
2)
See Typical Characteristics.
T
P
= +25°C, I
O
= 1.15A, V
I
= 53V
Ramp-up time
Output current
I
O
= I
Omax
Output ripple & noise
V
Oac
f = 100 Hz sine wave, 1V
p-p
, V
I
= 53V
(SVR = 20 log (1 V
p-p
/V
Op-p
))
I
= 0.1…1.0 × I
Omax
, V
I
= 53V
From V
I
connection to V
O
= 0.9 ×V
Oi
I
O
=
I
Omax
,
0.1…0.9 ×V
O
,
V
I
= 53V
I
O
= I
Omax
, T
P
=+40…+90oC
SVR
Supply voltage rejection (ac)
1.2
1.4
Characteristics
Conditions
Unit
min
typ
max
P
d
Power dissipation
Miscellaneous
%
Efficiency
I
O
= I
Omax
70
73
V
I
= 53 V
V
I
= 67 V
V
I
= 53 V
V
I
= 67 V
70
72
1.2
1.4
W
Calculated value
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