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Made in the USA

Model: 3650-S28

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3650-S28

8-20 Watt Low Input Voltage DC-DC Converter

Features

Completely self contained Thick Film Hybrid DC-DC Converter
Fully Isolated design
No External Filter Caps required
Inhibit-not function
Power on soft start
200kHz operation for low ripple and fast response time
Short Circuit protection
BIT
External Sync

Specifications

Input: 5 VDC
Input Range (Continuous): 4.6 VDC to 5.4 VDC
Input Range (Full Power): 4.75 VDC to 5.6 VDC
Transient Survival Voltage: 10 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 3650-S28 (20W) MIN 3650-S28 (20W) TYP 3650-S28 (20W) MAX
Output Voltage (FLD) — +27.8 +28.0 +28.2
Output current Vin min — Vin max - - 0.72A
Efficiency Pout = max rated load 78% 82% -
Line regulation Pout = max rated load
Vin min — Vin max		 - 50mV 250mV
Load regulation Pout = 10% to F.L. - 50mV 250mV
Output ripple F.L. BW 2 MHz
mVpp		 - 150 350

Pinout Table

3650-SXX≥24
Pin-1: bit
Pin-2: inhibit not
Pin-3: soft start
Pin-4: sync
Pin-5: N/C
Pin-6: input ret
Pin-7: + input
Pin-8: N/C
Pin-9: N/C
Pin-10: main output
Pin-11: N/C
Pin-12: main output ret

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