Model: 3378-S28

3378-S28

12.5 – 30 Watt Hybrid DC-DC Converter

Completely self contained Thick Film Hybrid DC-DC Converter

Built in EMI input filter meets MIL-STD 461C requirements CE01,CE03, CS01, CS02 & CS06

Inhibit-not function

Power on soft start

200kHz operation for low ripple and fast response time

No External Filter Caps required

Fully hermetic package

Input: 20 VDC

Input Range (Continuous): 16 VDC to 24 VDC

Isolation Input to Case: 500 VDC

Isolation Input to Output: 500 VDC

Isolation Output to Case: 100 VDC

Storage Temp: -55 °C to 150 °C

Shock: 50 G's

Acceleration: 500 G's

Vibration: 30 G's

Weight: 75 gms typical

Grade I:

Full Output Power at T_case = 85°C

Minimum Output Power at T_case = -55°C

Linearly derates to zero at T_case = 115

TID up to kRad(Si)
No SEE up to 60MeV*cm²/mg

Grade M:

Full Output Power at T_case = 85°C

Minimum Output Power at T_case = -55°C

Linearly derates to zero at T_case = 115

TID up to kRad(Si)
No SEE up to 60MeV*cm²/mg

Grade E:

Full Output Power at T_case = 125°C

Minimum Output Power at T_case = -55°C

Linearly derates to zero at T_case = 135

TID up to kRad(Si)
No SEE up to 60MeV*cm²/mg

Parameters	Conditions	3378-S28 (30W)
Parameters	Conditions	MIN	TYP	MAX
Output Voltage (FLD)	—	+27.8	+28.0	+28.2
Output current	V_{in min} — V_{in max}	-	-	1.07A
Efficiency	P_out = max rated load	78%	82%	-
Line regulation	P_out = max rated load V_{in min} — V_{in max}	-	50mV	250mV
Load regulation	P_out = 10% to F.L.	-	50mV	250mV
Output ripple	F.L. BW 2 MHz mV_pp	-	150	350

Part Number Designator	Case Style	Pin Count	Mounting	Step File
2	Case Style 2	12	Solder Sealed Flangelss PCB Mount	View PDF
F – 10 Pin	Case Style 3	10	Solder Sealed Flanged PCB Mount	View PDF
I	Case Style 5	12	Seam Weld Flangeless PCB Mount	View PDF
IF	Case Style 6	12	Seam Weld Flanged PCB Mount	View PDF
WF	Case Style 8	12	Seam Weld Flanged Chassis Mount	View PDF
PB	Case Style 10	12	Solder Sealed PCB Stud Mount	View PDF
PE	Case Style 12	12	Seam Weld Stud PCM Mount	View PDF