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Product Series: 3325

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3325

3.25 – 5 Watt Hybrid DC – DC Converters

Features

RadHard TID >100kRad(Si)
2:1 Margin: Operates beyond 200kRad TID
No SEE: LET > 82meV*cm^2/mg
Proton Resistant: No optocouplers used
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
Short Circuit protection
Fully Isolated design
200kHz operation for low ripple and fast response time
Fully hermetic package
Specifically designed for redundant space applications
No External Filter Caps required

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: 20 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 3325-S02 (5W) 3325-S02.5 (5W) 3325-S03.3 (5W) 3325-S05 (5W) 3325-S05.2 (5W) 3325-S12 (5W) 3325-S15 (5W) 3325-S28 (5W)
3325-S02 (5W) MIN 3325-S02 (5W) TYP 3325-S02 (5W) MAX 3325-S02.5 (5W) MIN 3325-S02.5 (5W) TYP 3325-S02.5 (5W) MAX 3325-S03.3 (5W) MIN 3325-S03.3 (5W) TYP 3325-S03.3 (5W) MAX 3325-S05 (5W) MIN 3325-S05 (5W) TYP 3325-S05 (5W) MAX 3325-S05.2 (5W) MIN 3325-S05.2 (5W) TYP 3325-S05.2 (5W) MAX 3325-S12 (5W) MIN 3325-S12 (5W) TYP 3325-S12 (5W) MAX 3325-S15 (5W) MIN 3325-S15 (5W) TYP 3325-S15 (5W) MAX 3325-S28 (5W) MIN 3325-S28 (5W) TYP 3325-S28 (5W) 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 +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 - - 1A - - 1A - - 1A - - 1A - - 961mA - - 416mA - - 333mA - - 178mA
Efficiency Pout = max rated load 53% 56% - 58% 61% - 63% 66% - 69% 72% - 69% 72% - 76% 80% - 77% 81% - 76% 80% -
Line regulation Pout = max rated load
Vin min — Vin max		 - 10mV 30mV - 10mV 30mV - 10mV 30mV - 10mV 30mV - 10mV 50mV - 20mV 100mV - 25mV 125mV - 50mV 250mV
Load regulation Pout = 10% to F.L. - 10mV 30mV - 10mV 30mV - 10mV 30mV - 10mV 30mV - 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 3325-D05 (5W) 3325-D12 (5W) 3325-D15 (5W)
3325-D05 (5W) MIN 3325-D05 (5W) TYP 3325-D05 (5W) MAX 3325-D12 (5W) MIN 3325-D12 (5W) TYP 3325-D12 (5W) MAX 3325-D15 (5W) MIN 3325-D15 (5W) TYP 3325-D15 (5W) MAX
Output Voltage (FLD) +lout = -lout+ +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 ±35mA - ±500mA ±15mA - ±208mA ±12mA - ±166mA
Efficiency Pout = max rated load 70% 74% - 76% 80% - 77% 81% -
Line regulation Pout = max rated load
Vin min — Vin max		 - ±10mV ±50mV - ±20mV ±100mV - ±25mV ±125mV
Load regulation Pout = 10% to F.L. - ±10mV ±50mV - ±20mV ±100mV - ±25mV ±125mV
Output ripple F.L. BW 2 MHz
mVpp		 - 40 85 - 60 150 - 75 180

Triple Output Devices

Toggle Columns: Parameter - Conditions
Parameters Conditions 3325-T05 (5W) 3325-T12 (5W) 3325-T15 (5W)
3325-T05 (5W) MIN 3325-T05 (5W) TYP 3325-T05 (5W) MAX 3325-T12 (5W) MIN 3325-T12 (5W) TYP 3325-T12 (5W) MAX 3325-T15 (5W) MIN 3325-T15 (5W) TYP 3325-T15 (5W) MAX
Output Voltage (FLD) +lout = -lout+ +4.9
+4.9
-4.9		 +5.0
+5.0
-5.0		 +5.1
+5.1
-5.1		 +4.9
+11.5
-11.5		 +5.0
+12.0
-12.0		 +5.1
+12.5
-12.5		 +4.9
+14.5
-14.5		 +5.0
+15.0
-15.0		 +5.1
+15.5
-15.5
Output current Vin min — Vin max 50mA
±10mA		 -
-		 500MA
±75mA		 50mA
±5mA		 -
-		 500mA
±50mA		 50mA
±5mA		 -
-		 500mA
±50mA
Efficiency Pout = max rated load 64% 67% - 69% 72% - 69% 72% -
Line regulation Pout = max rated load
Vin min — Vin max		 -
-		 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
Output ripple F.L. BW 2 MHz
mVpp		 -
-		 40
-		 85
50		 -
-		 40
-		 85
50		 -
-		 40
-		 85
50

Pinout Table

3325-SXX<24 3325-SXX≥24 3325-DXX 3325-TXX
Pin-1: + input Pin-1: + input Pin-1: + input Pin-1: + input
Pin-2: + input Pin-2: + input Pin-2: + input Pin-2: + input
Pin-3: N/C Pin-3: N/C Pin-3: N/C Pin-3: N/C
Pin-4: case Pin-4: case Pin-4: case Pin-4: case
Pin-5: N/C Pin-5: main out ret Pin-5: - dual output Pin-5: -dual output
Pin-6: main out ret Pin-6: N/C Pin-6: output com Pin-6: dual output ret
Pin-7: main out ret Pin-7: N/C Pin-7: output com Pin-7: dual output ret
Pin-8: N/C Pin-8: main output Pin-8: + dual output Pin-8: + dual output
Pin-9: main output Pin-9: N/C Pin-9: N/C Pin-9: main output
Pin-10: N/C Pin-10: N/C Pin-10: N/C Pin-10: N/C
Pin-11: N/C Pin-11: N/C Pin-11: N/C Pin-11: N/C
Pin-12: N/C Pin-12: N/C Pin-12: N/C Pin-12: N/C
Pin-13: N/C Pin-13: N/C Pin-13: N/C Pin-13: N/C
Pin-14: N/C Pin-14: N/C Pin-14: N/C Pin-14: N/C
Pin-15: inhibit not Pin-15: inhibit not Pin-15: inhibit not Pin-15: inhibit not
Pin-16: N/C Pin-16: N/C Pin-16: N/C Pin-16: N/C
Pin-17: input ret Pin-17: input ret Pin-17: input ret Pin-17: input ret
Pin-18: input ret Pin-18: input ret Pin-18: input ret Pin-18: input ret

Case Styles

Part Number Designator Case Style Pin Count Mounting Step File
1 Case Style 1 18 Solder Sealed Flangeless PCB Mount Download
D Case Style 14 18 Seam Weld Flangeless PCB Mount —
TF Case Style 15 18 Seam Weld Flanged Chassis Mount —