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參數(shù)資料
| 型號(hào)： | PKF4128BSI |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 15 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 232K |
| 代理商： | PKF4128BSI |
4
EN/LZT 146 089 R1A Ericsson Power Modules AB, March 2005
Characteristics
Conditions
min
typ
max
Unit
η
Efciency
VI = 53V
81
87
%
Pd
Power dissipation
VI = 53V
3.6
W
fo
Operating frequency
305
kHz
TC = –30…+95 °C, VI = 36...75 V, IO1 = 1.5 A, IO2= 1.4 A unless otherwise specied.
Output
Miscellaneous
Characteristics
Conditions
Output 1
Output 2
Unit
Min
Typ
Max
Min
Typ
Max
VOi
Output voltage initial
setting and accuracy
TC = +25°C, VI = 53V
3.3
5.0
V
Output adjust range 1)
3.06
3.47
4.63
5.28
VO
Output voltage
tolerance band
Long term drift
included
IO1 = 0.15-1.5A
IO2 = 0.14-1.4A
3.17
3.43
4.8
5.2
V
Idling voltage
IO1 = IO2 = 0A
3.13
3.47
4.75
5.25
Line regulation
IO1 = 1.5A IO2 = 1.4A
VI = 36 ... 75V
6
11
mV
Load regulation
Simultaneously, VI = 53V
IO1 = 0.15 ... 1.5A
IO2 = 0.14 ... 1.4A
42
55
mV
ttr
Load transient recovery time
IO1 = 1.5A IO2 = 1.4A VI=53V,
load step = 0.25A - 0.75A
50
s
Vtr
Load transient voltage
+200
+300
mV
-200
-400
tr
Ramp-up time
IO=0.1 ... 1.0 IOmax, 0.1 ... 0.9 Vo, VI = 53V
2
ms
ts
Start-up time
IO=0.1 ... 1.0 IOmax, 53V to 0.9 VO
66
IO
Output current
02
0
2
A
POmax
Max output power 2)
Calculated value
15
W
Ilim
Current limiting threshold 3)
TC <TC max, VO1 = 3.0V, VO2 = 4.5V
2.02
2.5
2.02
2.3
A
Isc
Short circuit current
VO = 0.2 ... 0.5V, TC =+25°C
6
7
4
5
A
VOac
Output ripple & noise
20Hz … 5MHz
20
30
mVp-p
SVR
Supply Voltage Rejection (ac)
f = 100 Hz sine wave, 1 Vp-p, VI = 53 V
(SVR = 20 log (1 Vp-p/VOp-p))
72
dB
1)
See also Operating Information.
2)
See Typical Characteristics.
3)
Ilim on each output is set by the total load.
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