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参数资料
| 型号： | PKB4418PIP |
| 厂商： | ERICSSON POWER MODULES AB |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 45 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | 2.280 X 0.750 INCH, LOW PROFILE PACKAGE-8 |
| 文件页数： | 4/8页 |
| 文件大小： | 451K |
| 代理商： | PKB4418PIP |
4
EN/LZT 108 6072 P1A Ericsson Inc., Power Modules , November 2002
PKB 4418 PINB
TPcb = –40…+100°C, VI = 38 ...75V unless otherwise specified.
Output
typ
max
Miscellaneous
Efficiency
Output Current Derating
50
s
45
55
75
ms
0
25
A
Conditions
Output
min
typ
max
Unit
Output voltage initial
setting and accuracy
TPcb =+25°C, VI = 53 V, IO =IOmax
VOi
Output voltage
tolerance band
VO
Load regulation
VI = 53V, IO=0 to IOmax,
Vt r
Load transient
recovery time
tt r
Start-up time
ts
From VI connection to VO= 0.9
× VOnom
Output current
IO
Max output power
POmax
Current limit threshold
Ilim
VO = 0.96 VOnom
Short circuit current
Isc
f < 1kHz
Output ripple & noise
Supply voltage
rejection (ac)
SVR
Line regulation
IO=IOmax
Load transient
voltage deviation
1.764
1.80
1.836
V
3
10
mV
45
W
28
30
32
A
32
33.5
35
A
80
mVp-p
VOac
70
dB
+/-100
mV
IO=IOmax, f < 20 MHz
IO=0 to IOmax
mV
3
10
Output adjust range
1.44
1.98
V
Load step = 12.5A IO = 6.25... 18.75A
VI = 53V, di/dt = 8A/us
OVP
Over voltage protection
2.1
3.3
V
1.746
1.854
V
At VO = VOnom
VI= 53V, IO = 0 ...25A
IO =IOmax
Characteristics
Conditions
Unit
min
typ
max
f
S
Switching frequency
I
O = 0...1.0 x IOmax
152
160
168
kHz
η
Efficiency - 50% Load
I
O = IOmax,
V
I = 53V, TPcb = +25
o
C
88.5
91
%
P
d
Power dissipation
I
O = IOmax,
V
I = 53V, TPcb = +25
o
C
5.77
6.93
W
η
Efficiency - 100% Load
I
O = IOmax,
V
I = 53V, TPcb = +25
o
C
88.5
%
TA = +25oC
VI = 53V
0
5
10
15
20
25
0
10
20
30
40
50
60
70
80
90
100
110
120
Ambient Temperature (C)
Output
Current
(A)
3.0 mps
2.5 mps
2.0 mps
1.5 mps
1.0 mps
0.5 mps
Nat Conv
82
83
84
85
86
87
88
89
90
91
92
0
5
10
15
20
25
C u r r e n t ( A )
Efficiency
(
%)
36V
48V
53V
75V
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