
PIN OUT
SMFL 28 05 S / K R
Base Model
Input Voltage
Output Voltage
Number of Outputs
Screening
Radiation Level
Angled corner indicates pin one.
1
2
3
4
5
6
12
11
10
9
8
7
TOP VIEW
SMFL
(Pin side, marked side)
5
SMFLSERIES
65 WATT
DC/DC C
ONVERTERS
MODEL NUMBERING KEY
Pin
1
2
3
4
5
6
7
8
9
10
11
12
Single Output
Positive Input
Input Common
Triple (TRI)
Inhibit 1 (INH1)
Sync Out
Sync In
Positive Output
Output Common
Sense Return
Positive Sense
Slave
Master / Inhibit 2 Master / Inhibit 2
Dual Output
Positive Input
Input Common
Triple (TRI)
Inhibit 1 (INH1)
Sync Out
Sync In
Positive Output
Output Common
Negative Output
No connection
Slave
Pin 6 should be connected to input common if
external sync (Sync In) is not used.
Sense pins must be connected to their respective
outputs if not used.
Typical Performance Curves: 25°C Tc , 28 VDC Vin, 100% load, free run, unless otherwise specified.
Output (Watts)
SMFL2805S & SMFL2805D Efficiency
F
IGURE
4
E
60
90
85
80
75
70
10
40
50
28V
40V
65
16V
Output Power (Watts)
SMFL2812S & SMFL2812D Efficiency
F
IGURE
5
E
60
90
85
80
75
70
10
20
30
40
50
60
40V
16V
28V
65
F
IGURE
6
60
90
85
80
75
70
10
65
60
65
16V
Output Power (Watts)
SMFL2815S & SMFL2815D Efficiency
E
40V
28V
See Figures 17 and 18 for dimensions.
F
IGURE
3: P
IN
O
UT
SMD NUMBERS
S
TANDARD
M
ICROCIRCUIT
D
RAWING
(SMD)
IN PROCESS
5962-9316302HXC
IN PROCESS
IN PROCESS
IN PROCESS
IN PROCESS
5962-9319302HXC
SMFL S
ERIES
S
IMILAR
P
ART
SMFL283R3S/HO
SMFL2805S/HO
SMFL2812S/HO
SMFL2815S/HO
SMFL2805D/HO
SMFL2812D/HO
SMFL2815D/HO
The SMD number shown is for Class H screening, non-
flanged, and no Radiation Hardness Assurance (RHA) level.
See the SMD for the numbers for other screening and radia-
tion levels. For exact specifications for an SMD product, refer
to the SMD drawing. Call your Interpoint representative for
status on the SMFL SMD releases which are
“
in process.
”
SMDs can be downloaded from
http://www.dscc.dla.mil/programs/smcr