Model: 3656-T15

3656-T15

32.5-80W DC-DC CONVERTER

Features

Proton Resistant: No optocouplers used

Completely self contained Thick Film Hybrid DC-DC Converter

Inhibit-not function

Power on soft start

200kHz operation for low ripple and fast response time

Short Circuit protection

Over voltage protection

BIT

For MIL-STD 704/1275 applications

Single Dual and Triple outputs

Fully hermetic package

Fully Isolated design with magnetically coupled feedback

Built in EMI input filter meets MIL-STD 461D/E/F requirements CE101,CE102, CS101, CS114, CS115 & CS116.

Specifications

Input: 28 VDC

Input Range (Continuous): 16 VDC to 50 VDC

Input Range (Full Power): 18 VDC to 50 VDC

Transient Survival Voltage: 100 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: 1000 G's

Vibration: 30 G's

Weight: 160 gms typical

Environment

Grade I:

Full Output Power at T_case = 85°C

Minimum Output Power at T_case = -55°C

Linearly derates to zero at T_case = 115

TID up to kRad(Si)
No SEE up to 60MeV*cm²/mg

Grade E:

Full Output Power at T_case = 125°C

Minimum Output Power at T_case = -55°C

Linearly derates to zero at T_case = 135

TID up to kRad(Si)
No SEE up to 60MeV*cm²/mg

Grade M:

Full Output Power at T_case = 85°C

Minimum Output Power at T_case = -55°C

Linearly derates to zero at T_case = 115

TID up to kRad(Si)
No SEE up to 60MeV*cm²/mg

Triple Output Devices

Toggle Columns: Parameter - Conditions

Parameters	Conditions	3656-T15 (80W) MIN	3656-T15 (80W) TYP	3656-T15 (80W) MAX
Output Voltage (FLD)	^+lout = ^-lout+	+4.9 +14.9 -14.9	+5.0 +15.0 -15.0	+5.1 +15.1 -15.1
Output current	V_{in min} — V_{in max}	90mA ±32mA	- -	5A ±750mA
Efficiency	Pout 20W - 100W	70%	73%	-
Line regulation	P_out = max rated load V_{in min} — V_{in max}	- -	10mV 25mV	50mV 50mV
Load regulation	P_out = 10% to F.L.	- -	10mV 25mV	50mV 50mV
Output ripple	F.L. BW 2 MHz mV_pp	- -	40 -	85 50

Pinout Table

3656-TXX
Pin-1: bit
Pin-2: inhibit not
Pin-3: soft start
Pin-4: sync
Pin-5: + input
Pin-6: input ret
Pin-7: N/C
Pin-8: main output
Pin-9: main output ret
Pin-10: + dual output
Pin-11: dual output rtn
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	Download
ZF	Case Style 9	12	Seam Weld Flanged Chassis Mount	Download
PD	Case Style 11	12	Solder Sealed PCB Stud Mount	Download