Model: 3031-T3.3/5

3031-T3.3/5

32.5-80 Watt Hybrid DC-DC Converter

Features

Completely self contained Thick Film Hybrid DC-DC Converter

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

Power on soft start

Fully Isolated design

Short Circuit protection

200kHz operation for low ripple and fast response time

No External Filter Caps required

Fully hermetic package

BIT

External Sync

Inhibit function

Specifications

Input: 28 VDC

Input Range (Continuous): 16 VDC to 50 VDC

Input Range (Full Power): 18 VDC to 50 VDC

Transient Survival Voltage: 80 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: 160 gms typical

Environment

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

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Triple Output Devices

Toggle Columns: Parameter - Conditions

Parameters	Conditions	3031-T3.3/5 (80W) MIN	3031-T3.3/5 (80W) TYP	3031-T3.3/5 (80W) MAX
Output Voltage (FLD)	^+lout = ^-lout+	+3.2 +4.9 -4.9	+3.3 +5.0 -5.0	+3.4 +5.1 -5.1
Output current	V_{in min} — V_{in max}	750mA ±40mA	- -	7.5A ±750mA
Efficiency	P_out = max rated load	67%	70%	-
Line regulation	P_out = max rated load V_{in min} — V_{in max}	- -	10mV 25mV	50mV 50mV
Load regulation	P_out = 10% to F.L.	- -	10mV 25mV	50mV 50mV
Output ripple	F.L. BW 2 MHz mV_pp	- -	30 -	65 50

Case Styles

Part Number Designator	Case Style	Pin Count	Mounting	Step File
4	Case Style 4	12	Solder Sealed Flanged PCB Mount	—
LF	Case Style 7	12	Solder Sealed Flanged PCB Mount	Download
ZF	Case Style 9	12	Seam Weld Flanged Chassis Mount	Download
PD	Case Style 11	12	Solder Sealed PCB Stud Mount	Download