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PSC126-9iRG Datasheet(PDF) 10 Page - Bel Fuse Inc.

Part # PSC126-9iRG
Description  Positive Switching Regulators
Download  19 Pages
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Manufacturer  BEL [Bel Fuse Inc.]
Direct Link  http://www.belfuse.com
Logo BEL - Bel Fuse Inc.

PSC126-9iRG Datasheet(HTML) 10 Page - Bel Fuse Inc.

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PSC, PSL Series Data Sheet
Positive Switching Regulators
MELCHER
The Power Partners.
BCD20027-G Rev AC, 16-Aug-2017
Page 10 of 19
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
50
60
70
80
90
°C
I
o /Io nom
T
A
1.0
forced
cooling
T
A min
T
C max
convection cooling
0.9
05031a
Table 4f: Output data. General conditions as per table 4a
Output
PSC366 / PSL366
PSC486 / PSL486
Unit
Characteristics
Conditions
min
typ
max
min
typ
max
Vo
Output voltage
Vi nom, Io nom
35.78
36.22 47.71
48.29
V
Io
Output current
Vi min – Vi max
0
6.0
0
6.0
A
IoL
Output current limitation
TC min – TC max
6.0
7.8
6.0
7.8
vo
Output
Switching freq.
Vi nom, Io nom
50
90
55
110
mVpp
voltage
Total
IEC/EN 61204
54
94
95
115
noise
BW = 20 MHz
∆V
o V
Static line regulation
Vi min – Vi max, Io nom
200
300
100
200
mV
∆V
o l
Static load regulation
Vi nom, Io = 0 – Io nom
120
200
180
250
vo d
Dynamic
Voltage deviat.
Vi nom
140
150
td
load
Recovery time
Io nom
1/3 I
o nom
100
100
µs
regulation
IEC/EN 61204
α
Vo
Temperature coefficient
Vi min – Vi max
±0.02
±0.02
%/K
∆V
o/∆TC (TC min – TC max)
Io = 0 – Io nom
Fig. 4
Switching regulator with long supply lines.
v
od
v
od
t
d
t
d
V
o ±1 %
V
o ±1 %
t
t
≥ 10 µs
≥ 10 µs
V
o
0
0.5
1
I
o /Io nom
05102c
Thermal Considerations
When a switching regulator is located in free, quasi-stationary
air (convection cooling) at a temperature TA = 71 °C and is
operated at Io nom, the case temperature TC will be about 95 °C
after the warm-up phase, measured at the measuring point of
case temperature TC; see Mechanical Data.
Under practical operating conditions, the ambient temperature
TA may exceed 71 °C, provided that additional measures (heat
sink, fan, etc.) are taken to ensure that the case temperature TC
does not exceed its maximum value of 95 °C.
Example: Sufficient forced cooling allows TA max = 85 °C. A
simple check of the case temperature TC (TC ≤ 95 °C) at full
load ensures correct operation of the system.
Fig. 5a
Output current derating versus temperature (models -2)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
40
60
70
80 [°C]
I
o /Io nom
T
A
0.9
1.0
05032a
T
C max
50
Convection cooling
T
A min
Forced
cooling
Fig. 5b
Output current derating versus temperature (models -7 or - 9)


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