lh2320-2 Power-One, lh2320-2 Datasheet - Page 5

• Manufacturer Part Number: lh2320-2
• Description: H Series Data Sheet 70 Watt Ac-dc Converters
• Manufacturer: Power-One

Input Fuse
A slow-blow fuse (Schurter SPT 2.5 A, 250 V, size 5 × 20 mm)
mounted inside of the converter protects against severe
defects. The fuse is not accessible by the user.
The fuse and a VDR form together with the input filter an
effective protection against high input transients.
Input Under-/Overvoltage Lockout
If the input voltage is below approx. 60 VAC or exceeds
approx. 280 VAC, an internally generated inhibit signal
disables the output(s). When checking this function the
absolute maximum input voltage rating V
considered (see table Input data).
Inrush Current
The converters incorporate an NTC resistor in the input line,
which at initial switch-on cycle limits the peak inrush current, in
Electrical Output Data
General conditions
– T
– Connector pins 2 and 23 interconnected, R input not connected.
Table 3a: Output data of single-output models
BCD20019 Rev AB
Output
Characteristics
V
V
I
I
v
v
t
o nom
o L
d
1
2
Note: When V
level, the output voltage may be below the value defined in table
Output data.
o d
o
o
V
V
o p
Vo
A
By suppressor diode
See fig. 4 Dynamic load regulation.
o V
o I
= 25 °C, unless T
Output voltage
Output overvoltage
protection
Output current
Output current
limit
Output
voltage
noise
Static line regulation
Static load regulation
Dynamic
load
regulation
Temperature
coefficient
V
o
/ T
C
i
Switch. freq. V
Total
2
1
is between V
Voltage
deviation
Recovery IEC/EN 61204
time
C
®
is specified.
Conditions
V
V
T
IEC/EN 61204
BW = 20 MHz
V
V
I
V
V
I
V
0 – I
i min
o nom
o nom
C min
i nom
i min
i min
i nom
i nom
i min
i nom
i nom
o nom
and the undervoltage lockout
, I
– V
– V
, I
– V
, I
– V
– T
o nom
o nom
o nom
1
i max
i nom
i max
C max
i max
/
3
V
I
o nom
– 0
o nom
i abs
must be carefully
11.44
min typ max min typ max min typ max
5.0
0
±0.02
5.1 V
±220
±1.0
100
7.5
30
60
5.20 11.76
120
±50
11
50
50
Page 5 of 21
6.24
0
±0.02
order to prevent the connectors and switching devices from
damage. Subsequent switch-on cycles within a short interval
will cause an increase of the peak inrush current due to the
warming-up of the NTC resistor.
The inrush current at switch-on can be calculated as follows:
Fig. 2
Equivalent circuit diagram for input impedance
±400
12 V
±2.4
21
60
40
80
12.24 14.70
±100
100
150
80
6
I
inr p
i rms
4.68
0
=
s
±0.02
±200
15 V
±3.0
25
50
40
80
–
2 • V
inr p
15.30 23.52
±100
150
4.5
80
80
i rms
70 Watt AC-DC Converters
/
3.12
min typ max
(R
0
s
±0.02
±200
+ R
24 V
±4.8
41
50
40
80
H Series Data Sheet
i
i
24.48 47.04
±150
+ R
150
80
80
3
NTC
NTC
www.power-one.com
1.56
min typ max
)
0
±0.02
±150
48 V
±9.6
120
85
50 100
-
48.96
±150
150
1.5
i
04001a
mV/K
mV
Unit
%/K
mV
µs
V
A
pp