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參數(shù)資料
| 型號(hào)： | PKF4121ASI |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 10 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> | 515K |
| 代理商： | PKF4121ASI |
4
EN/LZT 146 84 R1A Ericsson Microelectronics AB, May 2001
TC = –30…+95 °C, VI = 36 ...75 V and pin 8 connected to pin 9. IO1nom=0.42A IO2nom=0.42A
Output
2.5
Characteristics
Conditions
Unit
min
typ
max
Pd
Power dissipation
Miscellaneous
%
Efficiency
h
IO1= IO2 = IOnom
81
85
VI = 53 V
VI = 66 V
VI = 53 V
VI = 66 V
80
84
2.5
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 = 10 V
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
IO = 0.1...1.0 × IOmax
VI = 36…60 V
Output adjust range1)
IO = 0.1…1.0 × IOnom,
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.
4) Output voltage on Output 2 is negative (–12).
TC = +25°C, IO1 = IO2 = 0.3A, 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 = 53V
IO = IOnom, TC = +40…+90C
SVR
Supply voltage rejection (ac)
VI = 50…75 V
mV
Calculated value
Output 2 4)
min
typ
max
11.82
12.0
12.18
11.82
12.0
12.18
8.85
15.25
8.85
15.25
11.52
12.48
11.52
12.48
V
–170
mV
2
ms
1.2
A
55
0
0.8
0
0.8
A
12.8
V
–30
–60
100
+440
mV
–560
–3.1
5
ms
10
W
2
A
25
100
25
100
80
V
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