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參數(shù)資料
| 型號： | PKF4910API |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 9.9 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 14/16頁 |
| 文件大?。?/td> | 1528K |
| 代理商： | PKF4910API |
7
EN/LZT 146 30 R2A Ericsson Microelectronics AB, October 2000
TC = –30…+95°C, VI = 38 ...72V and pin 8 connected to pin 9.
03.0
A
PKF 4910A
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 = 0.3…3.0 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 = 3.0 V
Short circuit current
Isc
VO = 0.2…0.5V, TC=+25°C
20 Hz…5 MHz
Line regulation
IO = 3 A
Load transient
recovery time
3.27
3.30
3.33
V
3.7
4.0
V
45
+300
mV
–300
mV
–1.5
mV/°C
3ms
6ms
9.9
W
3.2
3.4
3.7
A
4.1
A
20
50
mVp-p
80
dB
mV
130
ms
0.6 …50 MHz
3.17
3.43
V
Long term drift
included
Output
VI = 38…60 V
Output adjust range1)
1.75
4.08
V
IO = 0.3…3.0 A, VI = 53 V
load step = 1.5 A
60
dB
1) See also Operating Information.
2) See Typical Characteristics.
TC = +25°C, IO = 2.0 A, VI = 53 V
Ramp-up time
Output current
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 = 0.3…3.0 A, VI = 53 V
From VI connection to VO = 0.9 ×VOi
IO = 3 A, 0.1…0.9 ×VO, VI = 53 V
IO = 3 A, TC =+40…+90 C
SVR
Supply voltage rejection (ac)
3.3
Characteristics
Conditions
Unit
min
typ
max
Pd
Power dissipation
Miscellaneous
%
Efficiency
h
IO = 3 A
75
78
VI = 53 V
VI = 66 V
VI = 53 V
VI = 66 V
75
78
3.3
W
VI = 50…72 V
10
mV
Calculated value
30
170
mV
IO = 0.3…2.5 A
IO = 0.3…3.0 A
3.13
3.43
V
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