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Made in the USA

Product Series: 6681

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6681

12 – 30 Watt Hybrid DC-DC Converter

Features

Built in EMI input filter meets MIL-STD 461D/E/F requirements CE101,CE102, CS101, CS114, CS115 & CS116.
Meets DO160C/D/E/F/G CE Section 21 & CS Sections 20 & 22.
For MIL-STD 704/1275 applications
Completely self contained Thick Film Hybrid DC-DC Converter
No External Filter Caps required
Inhibit-not function
Short Circuit protection
Fully isolated, input to output
250kHz operation for low ripple and fast response time
Fully hermetic package
BIT
External Sync

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: 75 gms typical

Environment

Grade I:
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 M:
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 E:
Full Output Power at Tcase = 125°C
Minimum Output Power at Tcase = -55°C
Linearly derates to zero at Tcase = 135
TID up to kRad(Si)
No SEE up to 60MeV*cm2/mg

Single Output Devices

Toggle Columns: Parameter - Conditions
Parameters Conditions 6681-S02 (30W) 6681-S02.5 (30W) 6681-S03.3 (30W) 6681-S05 (30W) 6681-S05.2 (30W) 6681-S12 (30W) 6681-S15 (30W) 6681-S28 (30W)
6681-S02 (30W) MIN 6681-S02 (30W) TYP 6681-S02 (30W) MAX 6681-S02.5 (30W) MIN 6681-S02.5 (30W) TYP 6681-S02.5 (30W) MAX 6681-S03.3 (30W) MIN 6681-S03.3 (30W) TYP 6681-S03.3 (30W) MAX 6681-S05 (30W) MIN 6681-S05 (30W) TYP 6681-S05 (30W) MAX 6681-S05.2 (30W) MIN 6681-S05.2 (30W) TYP 6681-S05.2 (30W) MAX 6681-S12 (30W) MIN 6681-S12 (30W) TYP 6681-S12 (30W) MAX 6681-S15 (30W) MIN 6681-S15 (30W) TYP 6681-S15 (30W) MAX 6681-S28 (30W) MIN 6681-S28 (30W) TYP 6681-S28 (30W) MAX
Output Voltage (FLD) — +1.9 +2.0 +2.1 +2.4 +2.5 +2.6 +3.2 +3.3 +3.04 +4.9 +5.0 +5.1 +5.1 +5.2 +5.3 +11.9 +12.0 +12.1 +14.9 +15.0 +15.1 +27.8 +28.0 +28.2
Output current Vin min — Vin max - - 6.06A - - 6.06A - - 6.06A - - 6A - - 5.76A - - 2.5A - - 2A - - 1.07A
Efficiency Pout = max rated load 56% 59% - 61% 64% - 66% 69% - 71% 74% - 71% 74% - 78% 82% - 79% 83% - 78% 82% -
Line regulation Pout = max rated load
Vin min — Vin max		 - 10mV 30mV - 10mV 30mV - 10mV 30mV - 10mV 50mV - 10mV 50mV - 20mV 100mV - 25mV 125mV - 50mV 250mV
Load regulation Pout = 10% to F.L. - 10mV 30mV - 10mV 30mV - 10mV 30mV - 10mV 50mV - 10mV 50mV - 20mV 100mV - 25mV 125mV - 50mV 250mV
Output ripple F.L. BW 2 MHz
mVpp		 - 25 50 - 30 60 - 30 65 - 40 85 - 40 85 - 60 150 - 75 180 - 150 350

Dual Output Devices

Toggle Columns: Parameter - Conditions
Parameters Conditions 6681-D3.3/5 (30W) 6681-D12 (30W) 6681-D05 (30W) 6681-D15 (30W)
6681-D3.3/5 (30W) MIN 6681-D3.3/5 (30W) TYP 6681-D3.3/5 (30W) MAX 6681-D12 (30W) MIN 6681-D12 (30W) TYP 6681-D12 (30W) MAX 6681-D05 (30W) MIN 6681-D05 (30W) TYP 6681-D05 (30W) MAX 6681-D15 (30W) MIN 6681-D15 (30W) TYP 6681-D15 (30W) MAX
Output Voltage (FLD) +lout = -lout+ +3.2
-4.9		 +3.3
-5.0		 +3.4
-5.1		 +11.9
-11.9		 +12.0
-12.0		 +12.1
-12.1		 +4.9
-4.9		 +5.0
-5.0		 +5.1
-5.1		 +14.9
-14.9		 +15.0
-15.0		 +15.1
-15.1
Output current Vin min — Vin max 300mA
100mA		 - 3A
1A		 ±95mA - ±1.25A ±150mA
 - ±3A
 ±76mA - ±1A
Efficiency Pout = max rated load 63% 66% - 78% 82% - 72% 76% - 79% 83% -
Line regulation Pout = max rated load
Vin min — Vin max		 - ±10mV
±10mV		 ±50mV
±50mV		 - ±20mV
 ±100mV
 - ±10mV
 ±50mV
 - ±25mV
 ±125mV
Load regulation Pout = 10% to F.L. - ±10mV
±10mV		 ±50mV
±50mV		 - ±20mV
 ±100mV - ±10mV
 ±50mV
 - ±25mV
 ±125mV
Output ripple F.L. BW 2 MHz
mVpp		 - 30
25		 65
60		 - 60 150 - 40 85 - 75 180

Pinout Table

6681-SXX<24 6681-SXX≥24 6681-DXX
Pin-1: bit Pin-1: bit Pin-1: bit
Pin-2: inhibit not Pin-2: inhibit not Pin-2: inhibit not
Pin-3: soft start Pin-3: soft start Pin-3: soft start
Pin-4: sync Pin-4: sync Pin-4: sync
Pin-5: N/C Pin-5: N/C Pin-5: N/C
Pin-6: input ret Pin-6: input ret Pin-6: input ret
Pin-7: + input Pin-7: + input Pin-7: + input
Pin-8: main output Pin-8: N/C Pin-8: N/C
Pin-9: main output ret Pin-9: N/C Pin-9: N/C
Pin-10: + remote sense Pin-10: main output Pin-10: + dual output
Pin-11: adjust Pin-11: N/C Pin-11: dual output rtn
Pin-12: - remote sense Pin-12: main output ret Pin-12: - dual output

Case Styles

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