M3H280512T Datasheet, PDF (3/8 Pages) International Rectifier – HIGH RELIABILITY RADIATION HARDENED DC/DC CONVERTERS

M3H-SERIES
Specifications
Absolute Maximum Ratings
Recommended Operating Conditions
Input voltage range
Output power
Lead temperature
Operating temperature
Storage temperature
-0.5Vdc to +80Vdc
Input voltage range
Internally limited
Input voltage range ¹
+300°C for 10 seconds Output power
-55°C to +135°C
-55°C to +135°C
Operating temperature ²
Operating temperature ¹
+18Vdc to +60Vdc
+18Vdc to +50Vdc
0 to Max. Rated
-55°C to +125°C
-55°C to +70°C
1
Meets derating per MIL-STD-975
2
For operation above +85°C, see table note 15
Electrical Performance Characteristics
Parameter
Input Voltage
Output Voltage ( Vout )
(main)
2812T (aux.)
2815T (aux.)
(main)
2812T (aux.)
2815T (aux.)
Output power ( POUT )
Output current ( IOUT )
(main)
2812T (aux.)
2815T (aux.)
Line regulation ( VRLINE )
(main)
2812T (aux.)
2815T (aux.)
Load regulation ( VRLOAD )
(main)
2812T (aux.)
2815T (aux.)
Cross regulation ( VRCROSS )
2812T (aux.)
2815T (aux.)
Input current ( IIN )
Output ripple ( VRIP )
(main)
2812T (aux.)
2815T (aux.)
Switching frequency ( F )
Efficiency (Eff )
Group A
Subgroup
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
Note 2
IOUT = 100% rated load, Note 5
IOUT = 100% rated load, Note 5
VIN = 18, 28, 50 Volts, Note 2
VIN = 18, 28, 50 Volts, Notes 2,3,4,5
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
VIN = 18, 28, 50 Volts
IOUT = 10%, 50%, 100% rated
Notes 5, 14
IOUT = 10%, 50%, 100% rated
VIN = 18, 28, 50 Volts
Notes 5,13
VIN = 18, 28, 50 Volts
IOUT = 1A to 4A (main), ±416mA on (aux.)
IOUT = 1A to 4A (main), ±333mA on (aux.)
IOUT = 0, Pin 3 open
Pin 3 shorted to pin 2
VIN = 18, 28, 50 Volts
IOUT = 100% rated load, Notes 5, 6
Sync. Input (Pin 4) open
IOUT = 100% rated load; Note 5
Limits
Min
Nom
Max
Unit
18
28
50
V
4.98 5.00 5.02
±11.50 ±11.80 ±12.10
±14.60 ±14.90 ±15.20
V
4.93
5.07
±11.30
±12.30
±14.40
±15.40
0
40
W
400
4000
83
±833 mA
67
±667
-10
-200
-200
10
200
mV
200
-50
-400
-500
50
400
mV
500
-3.5
3.5
%
-3.0
3.0
80
mA
8.0
25
50
30
60 mV p-p
30
75
450
500
550
KHz
75
79
%
For Notes to Specifications, refer to page 4
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