+1.631.345.3100
Made in the USA

Product Series: 3108

Print Page

3108

7.5-20 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
External Sync

Specifications

Input: 120 VDC
Input Range (Continuous): 86 VDC to 158 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: 60 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

Single Output Devices

Toggle Columns: Parameter - Conditions
Parameters Conditions 3108-S02 (20W) 3108-S02.5 (20W) 3108-S03.3 (20W) 3108-S05 (20W) 3108-S12 (20W) 3108-S15 (20W) 3108-S28 (20W) 3108-S05.2 (20W)
3108-S02 (20W) MIN 3108-S02 (20W) TYP 3108-S02 (20W) MAX 3108-S02.5 (20W) MIN 3108-S02.5 (20W) TYP 3108-S02.5 (20W) MAX 3108-S03.3 (20W) MIN 3108-S03.3 (20W) TYP 3108-S03.3 (20W) MAX 3108-S05 (20W) MIN 3108-S05 (20W) TYP 3108-S05 (20W) MAX 3108-S12 (20W) MIN 3108-S12 (20W) TYP 3108-S12 (20W) MAX 3108-S15 (20W) MIN 3108-S15 (20W) TYP 3108-S15 (20W) MAX 3108-S28 (20W) MIN 3108-S28 (20W) TYP 3108-S28 (20W) MAX 3108-S05.2 (20W) MIN 3108-S05.2 (20W) TYP 3108-S05.2 (20W) MAX
Output Voltage (FLD) — +1.9 +2.0 +2.1 +2.4 +2.5 +2.6 +3.2 +3.3 +3.4 +4.9 +5.0 +5.1 +11.9 +12.0 +12.1 +14.9 +15.0 +15.1 +27.8 +28.0 +28.2 +5.1 +5.2 +5.3
Output current Vin min — Vin max - - 4A - - 4A - - 4A - - 4A - - 1.67A - - 1.33A - - 714mA - - 3.85A
Efficiency Pout = max rated load 56% 59% - 61% 64% - 66% 69% - 71% 74% - 78% 82% - 79% 83% - 78% 82% - 71% 74% -
Line regulation Pout = max rated load
Vin min — Vin max		 - 10mV 30mV - 10mV 30mV - 10mV 30mV - 10mV 50mV - 20mV 100mV - 25mV 125mV - 50mV 250mV - 10mV 50mV
Load regulation Pout = 10% to F.L. - 10mV 30mV - 10mV 30mV - 10mV 30mV - 10mV 50mV - 20mV 100mV - 25mV 125mV - 50mV 250mV - 10mV 50mV
Output ripple F.L. BW 2 MHz
mVpp		 - 25 50 - 30 60 - 30 65 - 40 85 - 60 150 - 75 180 - 150 350 - 40 85

Dual Output Devices

Toggle Columns: Parameter - Conditions
Parameters Conditions 3108-D3.3/5 (20W) 3108-D05 (20W) 3108-D12 (20W) 3108-D15 (20W)
3108-D3.3/5 (20W) MIN 3108-D3.3/5 (20W) TYP 3108-D3.3/5 (20W) MAX 3108-D05 (20W) MIN 3108-D05 (20W) TYP 3108-D05 (20W) MAX 3108-D12 (20W) MIN 3108-D12 (20W) TYP 3108-D12 (20W) MAX 3108-D15 (20W) MIN 3108-D15 (20W) TYP 3108-D15 (20W) MAX
Output Voltage (FLD) +lout = -lout+ +3.2
+4.9		 +3.3
+5.0		 +3.4
+5.1		 +4.9
-4.9		 +5.0
-5.0		 +5.1
-5.1		 +11.9
-11.9		 +12.0
-12.0		 +12.1
-12.1		 +14.9
-14.9		 +15.0
-15.0		 +15.1
-15.1
Output current Vin min — Vin max 200mA
100mA		 -
-		 2A
1A		 ±150mA - ±2A
 ±125mA - ±833mA
 ±100mA - ±667mA
Efficiency Pout = max rated load 62% 65% - 72% 76% - 78% 82% - 79% 83% -
Line regulation Pout = max rated load
Vin min — Vin max		 -
-		 10mV
10mV		 30mV
50mV		 -
 ±10mV
 ±50mV -
 ±20mV
 ±100mV -
 ±25mV
 ±125mV
Load regulation Pout = 10% to F.L. -
-		 10mV
10mV		 30mV
50mV		 -
 ±10mV ±50mV -
 ±20mV ±100mV -
 ±25mV ±125mV
Output ripple F.L. BW 2 MHz
mVpp		 -
-		 30
25		 65
50		 - 40 85 - 60 150 - 75 180

Triple Output Devices

Toggle Columns: Parameter - Conditions
Parameters Conditions 3108-T3.3/5 (20W) 3108-T3.3/12 (20W) 3108-T3.3/15 (20W) 3108-T05 (20W) 3108-T12 (20W) 3108-T15 (20W)
3108-T3.3/5 (20W) MIN 3108-T3.3/5 (20W) TYP 3108-T3.3/5 (20W) MAX 3108-T3.3/12 (20W) MIN 3108-T3.3/12 (20W) TYP 3108-T3.3/12 (20W) MAX 3108-T3.3/15 (20W) MIN 3108-T3.3/15 (20W) TYP 3108-T3.3/15 (20W) MAX 3108-T05 (20W) MIN 3108-T05 (20W) TYP 3108-T05 (20W) MAX 3108-T12 (20W) MIN 3108-T12 (20W) TYP 3108-T12 (20W) MAX 3108-T15 (20W) MIN 3108-T15 (20W) TYP 3108-T15 (20W) MAX
Output Voltage (FLD) +lout = -lout+ +3.2
+4.9
-4.9		 +3.3
+5.0
-5.0		 +3.4
+5.1
-5.1		 +3.2
+11.9
-11.9		 +3.3
+12.0
-12.0		 +3.4
+12.1
-12.1		 +3.2
+14.9
-14.9		 +3.3
+15.0
-15.0		 +3.4
+15.1
-15.1		 +4.9
+4.9
-4.9		 +5.0
+5.0
-5.0		 +5.1
+5.1
-5.1		 +4.9
+11.9
-11.9		 +5.0
+12.0
-12.0		 +5.1
+12.1
-12.1		 +4.9
+14.9
-14.9		 +5.0
+15.0
-15.0		 +5.1
+15.1
-15.1
Output current Vin min — Vin max 150mA
±15mA		 -
-		 1.5A
±250mA
 150mA
±15mA		 -
-		 1.5A
±208mA
 150mA
±15mA		 -
-		 1.5A
±167mA
 10mA
±15mA		 -
-		 1A
±250mA
 10mA
±15mA		 -
-		 1A
±208mA
 10mA
±15mA		 -
-		 1A
±167mA
Efficiency Pout = max rated load 66% 69% - 66% 69% - 66% 69% - 66% 69% - 71% 74% - 71% 74% -
Line regulation Pout = max rated load
Vin min — Vin max		 -
-
 10mV
25mV
 50mV
50mV		 -
-
 10mV
25mV
 50mV
50mV		 -
-
 10mV
25mV
 50mV
50mV		 -
-
 10mV
25mV
 50mV
50mV		 -
-
 10mV
25mV
 50mV
50mV		 -
-
 10mV
25mV
 50mV
50mV
Load regulation Pout = 10% to F.L. -
-		 10mV
25mV		 50mV
50mV		 -
-		 10mV
25mV		 50mV
50mV		 -
-		 10mV
25mV		 50mV
50mV		 -
-		 10mV
25mV		 50mV
50mV		 -
-		 10mV
25mV		 50mV
50mV		 -
-		 10mV
25mV		 50mV
50mV
Output ripple F.L. BW 2 MHz
mVpp		 -
-		 30
-		 65
50		 -
-		 30
-		 65
50		 -
-		 30
-		 65
50		 -
-		 40
-		 85
50		 -
-		 40
-		 85
50		 -
-		 40
-		 85
50

Pinout Table

3108-SXX<24 3108-SXX≥24 3108-DXX 3108-TXX
Pin-1: bit Pin-1: bit Pin-1: bit Pin-1: bit
Pin-2: inhibit not 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-3: soft start
Pin-4: sync Pin-4: sync Pin-4: sync Pin-4: sync
Pin-5: N/C 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-6: input ret
Pin-7: + input Pin-7: + input Pin-7: + input Pin-7: + input
Pin-8: main output Pin-8: N/C Pin-8: N/C Pin-8: main output
Pin-9: main output ret Pin-9: N/C Pin-9: N/C Pin-9: main output ret
Pin-10: N/C Pin-10: main output Pin-10: + dual output Pin-10: +dual output
Pin-11: adjust Pin-11: N/C Pin-11: dual output ret Pin-11: dual output ret
Pin-12: N/C Pin-12: main output ret Pin-12: - dual output 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
H Case Style 5 12 Seam Weld Flangeless PCB Mount Download
HF – 10 Pin Case Style 6 10 Seam Weld Flanged PCB Mount Download
VF Case Style 8 12 Seam Weld Flanged Chassis Mount Download