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參數(shù)資料
| 型號(hào)： | PKF4918BI |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 9 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | SMT-18 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 708K |
| 代理商： | PKF4918BI |
4
EN/LZT 146 63 R1A Ericsson Microelectronics AB, March 2001
TC = –30…+95 C, VI = 36 ...75 V.
05
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, VI = 53 V
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 = +25C
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
2ms
5ms
9
W
5.5
6
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, VI = 53 V
load step = 2.5 A
50
dB
1) See also Operating Information
2) See Typical Characteristics
TC = +25C, IO = 3.5 A, VI = 53 V
Ramp-up time
Output current 2)
IO = 3 A
Output ripple & noise
VOac
f = 100 Hz sine wave, 1Vp-p, VI = 53 V
(SVR = 20 log (1 Vp-p/VOp-p))
IO = 0.5…5 A, VI = 53 V
From VI connection to VO = 0.9 ×VOi
IO = 0.3-5 A, 0.1…0.9 ×VO, VI = 53 V
IO = 5 A, TC = +40…+90 C
SVR
Supply voltage rejection (ac)
2.3
3.0
Characteristics
Conditions
Unit
min
typ
max
Pd
Power dissipation
Miscellaneous
%
Efficiency
IO = 5 A
75
80
VI = 53 V
VI = 66 V
VI = 53 V
VI = 66 V
75
79
2.4
3.0
W
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
dBV
η
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