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LS2801R5S Datasheet, PDF (4/16 Pages) International Rectifier – HIGH RELIABILITY DC/DC CONVERTER
LS-SERIES
Electrical Performance Characteristics ( continued )
Parameter
Group A
Subgroup
Input Current, no load ( IIN)
LS2801R5S
LS2802R5S
LS2803R3S
LS2805S
LS2812S
LS2815S
LS2805D
LS2812D
LS2815D
Input current inhibited
Output Ripple, ( VRIP)
LS2801R5S
LS2802R5S
LS2803R3S
LS2805S
LS2812S
LS2815S
LS2805D
LS2812D
LS2815D
Switching frequency ( FS )
Efficiency ( EFF )
LS2801R5S
LS2802R5S
LS2803R3S
LS2805S
LS2812S
LS2815S
LS2805D
LS2812D
LS2815D
Enable Input ( Inhibit Function )
open circuit voltage
drive current ( sink )
voltage range
Current Limit Point
Expressed as a percentage
of full rated load current
Power dissipation, load fault (PD)
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
Conditions
-55°C ≤ TC ≤ +85°C
VIN = 28V DC ± 5%, CL = 0
unless otherwise specified
IOUT = 0, Pin 4 open
Pin 4 shorted to pin 2
VIN = 18, 28, 40 Volts
IOUT = 100% rated load
Notes 4, 6
IOUT = 100% rated load
Note 4
Note 1
Vout = 90% of Nominal, Note 4
Short Circuit, Overload, Note 8
Output response to
step load changes (VTLD)
Recovery time,
step load changes (TTLD)
Output response to
step line changes (VTLN)
Recovery Time,
step line changes (TTLN)
4,5,6 Half Load to/from Full Load, Notes 4,9
4,5,6
Half Load to/from Full Load, Note
4,9,10
18V to/from 40V
IOUT = 100% rated load, Notes 1,4,11
18V to/from 40V
IOUT = 100% rated load, Notes
1,4,10,11
Min
425
61
68
72
78
78
78
79
79
79
9.5
-0.5
105
-300
-300
Limits
Nom
500
64
72
76
82
82
82
83
83
83
Unit
Max
60
60
60
70
mA
70
70
70
100
100
8.0
mA
35
35
35
50
mV p-p
70
80
80
80
80
575
KHz
%
12
V
5.0
mA
50
V
145
%
14
W
300
mV pk
200
µs
300
mV pk
200
µs
For Notes to Electrical Performance Characteristics, refer to page 5
4
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