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參數(shù)資料
| 型號： | PKF4928ASI |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 9.43 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | 8 MM HEIGHT, POWER, MODULE-18 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 520K |
| 代理商： | PKF4928ASI |
4
EN/LZT 146 99 R1A Ericsson Microelectronics AB, June 2001
TC = –30…+95 °C, VI = 36 ...75 V and pin 8 connected to pin 9. IO1nom= 2.1 A IO2nom= 0.5 A
Output
2.8
Characteristics
Conditions
Unit
min
typ
max
Pd
Power dissipation
Miscellaneous
%
Efficiency
h
IO1= IO2 = IOnom
77
79
VI = 53 V
VI = 66 V
VI = 53 V
VI = 66 V
77
78
3.2
W
Characteristics
Conditions
Output 1
min
typ
max
Unit
Output voltage initial
setting and accuracy
VOi
Output voltage
tolerance band
VO
Idling voltage
IO1 = IO2 = 0
Load regulation
IO1 = IO2 = 0.1…1.0 × IOnom
VI = 53 V
ttr
Load transient voltage
Vtr
Temperature coefficient2)
Tcoeff
tr
Start-up time
ts
IO
Max output power2)
POmax
Current limiting
threshold3)
Ilim
TC<TCmax, VO = 3.0 V, IO2 = 0.5 A
Short circuit current
Isc
VO = 0.2…0.5 V, TC =+25°C
20 Hz…5 MHz
Line regulation
IO1 = IO2 = 0.3A
Load transient
recovery time
mV
mV/°C
mVp-p
dB
mV
ms
0.6 …50 MHz
Long term drift
included
IO1 & IO2 =
0.1...1.0 × IOmax
VI = 36…60 V
Output adjust range1)
IO2 = 0.5A
load step =0.21A IO2 = 0.3A
VI = 53 V
dB
1) See also Operating Information.
2) See Typical Characteristics.
3) Ilim on each output is set by the total load.
TC = +25°C, IO1 = 1A, IO2 = 0.1A, VI = 53V
Ramp-up time
Output current
IO = 0.8 A
Output ripple & noise
VOac
f = 100 Hz sine wave, 1Vp-p, VI = 53 V
(SVR = 20 log (1 Vp-p/VOp-p))
IO = 0.1…1.0 × IOmax, VI = 53 V
From VI connection to VO = 0.9 × VOi
IO = 0.1…1.0 × IOmax,
0.1…0.9 × VO,VI = 53 V
IO = 1.0A, TC = +40…+90C
SVR
Supply voltage rejection (ac)
VI = 50…75 V
mV
Calculated value
Output 2
min
typ
max
3.28
3.30
3.32
5.00
1.74
4.21
2.74
6.24
3.17
3.34
4.75
5.25
V
90
246
80
221
mV
3
ms
2.7
A
60
50
0
2.1
0
0.5
A
20
15
150
100
+200
100
mV
–225
100
–1.25
–2.00
5
ms
9.43
W
3.1
2.7
A
10
50
75
100
80
V
1.0
3.7
5.3
40
30
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