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M3G2803R312T Datasheet, PDF (4/10 Pages) International Rectifier – HYBRID-HIGH RELIABILITY RADIATION HARDENED DC-DC CONVERTER
M3G2803R312T
Electrical Performance Characteristics ( continued )
Parameter
Group A
Subgroup
Conditions
-55°C ≤ TC ≤ +85°C
VIN = 28V DC ± 5%, CL = 0
unless otherwise specified
Limits
Min. Nom.
Switching Frequency ( FS )
Efficiency ( EFF )
Inhibit Input
1,2,3 Sync. Input (Pin 4) open
1,2,3 IOUT = 100 % Rated Load , Note 5
450 500
72
75
Open Circuit Voltage
3.0
Drive Current ( Sink )
Note 1
Voltage Range
-0.5
Synchronization Input
Frequency Range 1,2,3
450
Pulse High Level
4.0
Pulse Low Level
Pulse Transition Time
Pulse Duty Cycle
Ext. Clock on Sync. Input (Pin 4), Note 1
-0.5
40
20
Current Limit Point
Expressed as a Percentage 1,2 VOUT = 90% of Nominal, Note 5
of Full Rated Output Power 3
Power Dissipation, Load Fault ( PD ) 1,2,3 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 )
Turn-on Response
4,5,6 Half Load to/from Full Load, Notes 5, 9
-300
4,5,6
Half Load to/from Full Load, Notes 5, 9, 10
18V to/from 50V
IOUT = 100% Rated Load, Notes 1, 5, 10, 11
18V to/from 50V
IOUT = 100% Rated Load, Notes 1, 5, 10, 11
No Load, Full Load, Notes 5, 12
-300
Overshoot ( VOS )
4,5,6
(main)
(aux.)
Turn-on Delay ( TDLY )
1.0
Capacitive Load ( CL )
IOUT = 100% Rated Load,
1,2,3 No effect on DC Performance, Notes 1,5,7
(main)
(Each aux.Output)
Line Rejection
IOUT = 100% Rated Load,
DC to 50KHz, Notes 1, 5
40
60
Isolation
1 Input to Output or Any Pin to Case
100
except Pin 10, test @ 500VDC
Device Weight
MTBF
MIL-HDBK-217F2, SF, 35°C
5 X 106
Max.
550
5.0
100
50
600
10
0.5
80
135
150
20
300
100
300
100
500
750
5.0
1000
200
110
Unit
KHz
%
V
µA
V
KHz
V
V
V/µs
%
%
W
mV pk
µs
mV pk
µs
mV
ms
µF
dB
ΜΩ
g
Hrs
For Notes to Specifications, refer to page 5
4
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