+1.631.345.3100
Made in the USA

Model: 7031-D12

7031-D12

32.5-80 Watt Hybrid DC-DC Converter

Features

RadHard TID >100kRad(Si)
2:1 Margin: Operates beyond 200kRad TID
No SEE: LET > 82meV*cm^2/mg
Proton Resistant: No optocouplers used
Specifically designed for redundant space applications
Completely self contained Thick Film Hybrid DC-DC Converter
No External Filter Caps required
Fully Isolated design
Inhibit-not function
Power on soft start
200kHz operation for low ripple and fast response time
Built in EMI input filter meets MIL-STD 461C requirements CE01,CE03, CS01, CS02 & CS06
Short Circuit protection
Over voltage protection
BIT

Specifications

Input: 50 VDC
Input Range (Continuous): 30 VDC to 75 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 EU:
Full Output Power at Tcase = 85°C
Minimum Output Power at Tcase = -55°C
Linearly derates to zero at Tcase = 115
TID up to kRad(Si)
No SEE up to 60MeV*cm2/mg
Grade L:
Full Output Power at Tcase = 85°C
Minimum Output Power at Tcase = -55°C
Linearly derates to zero at Tcase = 115
TID up to 45kRad(Si)
No SEE up to 60MeV*cm2/mg
Grade LE:
Full Output Power at Tcase = 125°C
Minimum Output Power at Tcase = -55°C
Linearly derates to zero at Tcase = 135
TID up to 45kRad(Si)
No SEE up to 60MeV*cm2/mg
Grade S:
Full Output Power at Tcase = 85°C
Minimum Output Power at Tcase = -55°C
Linearly derates to zero at Tcase = 115
TID up to 100kRad(Si)
No SEE up to 60MeV*cm2/mg
Grade SE:
Full Output Power at Tcase = 125°C
Minimum Output Power at Tcase = -55°C
Linearly derates to zero at Tcase = 135
TID up to 100kRad(Si)
No SEE up to 60MeV*cm2/mg

Dual Output Devices

Parameters Conditions 7031-D12 (80W)
MIN TYP MAX
Output Voltage (FLD) +lout = -lout+ +11.9
-11.9		 +12.0
-12.0		 +12.1
-12.1
Output current Vin min — Vin max ±158mA - ±3.1A
Efficiency Pout = max rated load 77% 81% -
Line regulation Pout = max rated load
Vin min — Vin max		 - ±20mV ±100mV
Load regulation Pout = 10% to F.L. - ±20mV ±100mV
Output ripple F.L. BW 2 MHz
mVpp		 - 60 150

Pinout Table

7031-DXX
Pin-1: bit
Pin-2: inhibit not
Pin-3: soft start
Pin-4: sync
Pin-5: + input
Pin-6: input ret
Pin-7: adjust
Pin-8: + remote sense
Pin-9: - remote sense
Pin-10: + dual output
Pin-11: dual output ret
Pin-12: - dual output

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 View PDF
ZF Case Style 9 12 Seam Weld Flanged Chassis Mount View PDF
PD Case Style 11 12 Solder Sealed PCB Stud Mount View PDF