LPQ48S1.8-27R Datasheet, PDF (1/3 Pages) Wall Industries,Inc. – LPQ48S1.8-27R

WALL INDUSTRIES, INC.
APPLICATION NOTES
LPQ SERIES
Technical Specifications
Model No. LPQ48S1.8-27R
All specifications are based on 25C, Nominal Line and Full Load unless otherwise noted.
We reserve the right to change specifications based on technological advances.
SPECIFICATION
Related condition
MIN NOM MAX
INPUT
Turn on at
Turn off at
Input Over voltage Shutdown
Turn off at
Turn on at
Operating Voltage Range
Maximum Input Current
No Load Input Current
Input Current under “LOGIC OFF”
Inrush Current Transient Rating
Reflected Ripple Current
OUTPUT
Output Voltage Set point
Output Voltage Regulation
Over Load
Over Line
Over Temperature
Output Voltage Ripple and Noise
Basic Ripple
Spikes P-P
Output Current Ranges
Output Current Limit
Short Term Output Current Surge
DYNAMIC CHARACTERISTICS
Input Voltage Ripple Rejection
Output Transient and Load Changes
Load step / ∆ V
Load step / ∆ V
Recovery Time
Turn on Delay
Overshoot of Output Voltage
EFFICIENCY
@ 100% load
@ 75% load
@ 50% load
@ 25% load
TEMPERATURE CONSIDERATIONS
Thermal Resistance
Normal Convection
100 lfm
200 lfm
300 lfm
400 lfm
Heatsink Considerations
General Technical Data
Switching Frequency
Remote ON OFF Control
Trimmablility
Over Temperature Shutdown
MTBF
Rated Input Voltage
Low Line 100% load
12uH / 33uF input filter
Rated Output Current
Self Resetting
36
1.782
0
16.5
35
34
n/a
n/a
48
.88
25
1
1
2
1.8
± 0.2
± 0.2
0.02
30
50
19.5
75
1.818
100
100
15
22.5
120 Hz
60
X 50 to 75%
50 to 100%
70
X 75 to 50%
100 to 50 %
70
To within 1% Rated Vo
100
From Vin(nom) to 90% Vout (nom)
25
Full Load Resistive
0
87
86
83
74
Rθc-a
Available, Contact Factory
Fixed
Acitve HIGH or LOW
PCB Temperature
Bellcore TR-332
330
1.62
1.98
125
1.81 E6
(888) 597-WALL
www.wallindustries.com
Unit Measured
Volt DC
Volt DC
Volt DC
Volt DC
Volt DC
A
mA
mA
A² Sec
mA
Volt DC
%
%
% / ^oC
mV
mV
A
A
A/sec
dB
mV
mV
µsec
msec
%
%
%
%
%
o_C/Watt
o_C/Watt
o_C/Watt
o_C/Watt
o_C/Watt
KHz
High/Low TTL
Volt DC
o_C
Hours
1