參數(shù)資料
型號: PKF4221ASI
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> 251K
代理商: PKF4221ASI
4
EN/LZT 146 040 R1A Ericsson Power Modules AB, October 2003
Characteristics
Conditions
min
typ
max
Unit
η
Efciency
IO1 = IO2 = 0.62A
VI = 53V
81
84
%
VI = 66V
81
83
Pd
Power dissipation
VI = 53V
3.0
W
VI = 66V
3.0
fo
Operating frequency
485
510
525
kHz
TC = –30…+95 °C, VI = 36...75 V and pin 8 connected to pin 9, 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, IO1= IO2 = 0.3A, VI = 53V
11.82
12.00
12.18
11.82
12.00
12.18
V
Output adjust range 1)
8.85
15.25
8.85
15.25
VO
Output voltage
tolerance band
Long term drift
included
IO = 0.062 ... 0.62A
11.52
12.48
11.52
12.48
V
Idling voltage
IO1 = IO2 = 0A
13.4
Line regulation
IO1 = IO2 = 0.62A
VI = 36 ... 60V
-80
mV
VI = 50 ... 75V
-50
Load regulation
IO1 = IO2 = 0.062 ... 0.62A
Simultaneously, VI = 53V
-170
mV
ttr
Load transient recovery time
IO1 = IO2 = 0.62A VI=53V, load step = 0.16A
100
s
Vtr
Load transient voltage
+300
+380
mV
-300
-400
Tcoeff
Temperature coefcient
IO=0.62 A, Tp = +40 ... +90C
-3.5
mV/C
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
55
IO
Output current
0
0.85
0
0.85
A
POmax
Max output power 2)
Calculated value
15
W
Ilim
Current limiting threshold 3)
TC <TC max, VO = 10V
1.6
A
Isc
Short circuit current
VO = 0.2 ... 0.5V, TA =+25°C
2
A
VOac
Output ripple & noise
IO=0.8 A
20Hz … 5MHz
30
100
30
100
mVp-p
0.6 ... 50MHz
80
dBV
SVR
Supply Voltage Rejection (ac)
f = 100 Hz sine wave, 1 Vp-p, VI = 53 V
(SVR = 20 log (1 Vp-p/VOp-p))
55
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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