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参数资料
| 型号： | PKF4918CSI |
| 厂商： | ERICSSON POWER MODULES AB |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 9 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | 0.315 INCH HEIGHT, SMD-18 |
| 文件页数： | 4/8页 |
| 文件大小： | 222K |
| 代理商： | PKF4918CSI |
4
EN/LZT 146 024 R1A Ericsson Power Modules AB, March 2003
TC = –30…+95 °C, VI = 36 ...75 V, VInom = 53 V unless otherwise stated
0
5.0
A
Characteristics
Conditions
Output 1
min
typ
max
Unit
Output voltage initial
setting and accuracy
VOi
Output voltage
tolerance band
VO
Idling voltage
IO = 0 A
Load regulation
IO = 0…5 A, VInom
ttr
Load transient voltage
Vtr
Temperature coefficient2)
Tcoeff
tr
Start-up time
ts
IO
Max output power2)
POmax
Current limiting
threshold
Ilim
TC<TCmax, VO = 1.4 V
Short circuit current
Isc
VO = 0.2…0.5V, TC = +25°C
20 Hz…5 MHz
Line regulation
IO = 5 A
Load transient
recovery time
1.77
1.80
1.84
V
1.69
1.81
1.91
V
10
+300
mV
–300
mV
–0.3
mV/°C
2
ms
5
ms
9
W
5.5
A
7
A
50
mVp-p
150
s
1.71
1.89
V
Long term drift
included
Output
VI = 36…55 V
Output adjust range1)
1.50
1.80
2.20
V
IO = 0.5…5 A, VInom
load step = 2.5 A
50
dB
1) See also Operating Information
2) See Typical Characteristics
TC = +25°C, IO = 3.5 A, VInom
Ramp-up time
Output current 2)
IO = 3 A
Output ripple & noise
VOac
f = 100 Hz sine wave, 1Vp-p, VInom
(SVR = 20 log (1 Vp-p/VOp-p))
IO = 0.5…5 A, VInom
From VI connection to VO = 0.9 ×VOi
IO = 0.3...5 A, 0.1…0.9 ×VO, VInom
IO = 5 A, TC = 40…+90 C
SVR
Supply voltage rejection (ac)
VI = 55…75 V
–2.5
mV
Calculated value
25
mV
IO = 0.5…5 A
IO = 0.5…3 A Pin 1
1.60
1.89
V
75
mVp-p
0.4…50 MHz
IO = 5 A
20 Hz…5 MHz
80
dB
V
2.3
3.0
Characteristics
Conditions
Unit
min
typ
max
Pd
Power dissipation
Miscellaneous
%
Efficiency
η
IO = 5 A
75
80
VI = 53 V
VI = 66 V
VI = 53 V
VI = 66 V
75
79
2.4
3.0
W
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