LSO28_15 Datasheet, PDF (5/18 Pages) International Rectifier – 28V Input, Single/Dual Output

LSO SERIES
28V Input, Single/Dual Output
Electrical Performance Characteristics (continued)
Parameter
Conditions
Group A
-55°C ≤ T_C ≤ +85°C
Subgroup
V_IN = 28V DC ± 5%, C_L = 0
Min
unless otherwise specified
Line regulation ( VR_LINE )
V_IN = 18, 28, 40 Volts
All Single and Dual Output Models ^1,2,3
I_OUT = 0, 50%, 100% rated, Note 4
-0.5
Load regulation ( VR_LOAD )
All Single Output Models
V_IN = 18, 28, 40 Volts
1,2,3
I_OUT = 0, 50%, 100% rated, Note 4
-1.0
V_IN = 18 to 40 Volts
Total regulation ( Line and Load ) 1,2,3
Min load to full load
Dual model is measured
-1.0
from +Output to –Output, Note 13
Cross regulation (VR_CROSS )
LSO2805D
1,2,3
V_IN = 18, 28, 40 Volts
-5.0
LSO2812D
Duals only, Note 5
-3.0
LSO2815D
-3.0
Input Current, no load (I_IN )
LSO2801R5S
LSO2801R8S
LSO2802R5S
LSO2803R3S
LSO2805S
LSO2812S
LSO2815S
LSO2805D
LSO2812D
LSO2815D
Input current inhibited
1,2,3
1,2,3
I_OUT = 0, Pin 3 open
Pin 4 shorted to Pin 3
Output Ripple (V_RIP)
LSO2801R5S
LSO2801R8S
LSO2802R5S
LSO2803R3S
LSO2805S
LSO2812S
LSO2815S
LSO2805D
LSO2812D
LSO2815D
1,2,3
V_IN = 18, 28, 40 Volts
I_OUT = 100% rated load
Notes 4, 6
Switching frequency (F_S )
1,2,3
425
Efficiency (E_FF )
LSO2801R5S
LSO2801R8S
LSO2802R5S
LSO2803R3S
LSO2805S
LSO2812S
LSO2815S
LSO2805D
LSO2812D
LSO2815D
60
1,2,3
I_OUT = 100% rated load
63
Note 4
67
71
77
77
77
76
78
78
Input undervoltage lockout (UVLO)
(turn off when input voltage
1,2,3
No load to full load, Notes 1, 4
14.5
decreassing)
Input undervoltage release (UVR) _1,2,3
No load to full load, Notes 1, 4
15.5
(turn on when input voltage rising)
Input undervoltage
Hysteresis (UVR-UVLO)
1,2,3
No load to full load, Notes 1, 4
1.0
Input current telemetry ratio( ICT) 1,2,3
I_OUT = 100% rated load, Note 4
1.4
For Notes to Electrical Performance Characteristics, refer to page 7
www.irf.com
Limits
Nom
500
62
65
69
73
80
80
80
79
81
81
Unit
Max
0.5
%
1.0
%
1.0
%
5.0
3.0
%
3.0
60
60
60
60
70
mA
70
70
70
100
100
8.0
mA
35
35
35
35
mV p-p
50
70
50
50
50
50
575
KHz
%
16.5
V
17.9
V
3.0
V
1.6
V/A
5