Model: 1690-S12

1690-S12

3.75 – 6.5 Watt Hybrid DC-DC Converter

Completely self contained Thick Film Hybrid DC-DC Converter

Fully hermetic package

Output Inhibit

No Optocouplers

Built in EMI input filter limits conducted emissions and reduces transient susceptibility

Fixed frequency operation offers low ripple and fast load transient response.

Low Quiescent Current

Parallelable for higher output prime or redundant power applications

Short Circuit protection

External Sync

Input: 24 VDC

Input Range (Continuous): 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

Shock: 50 G's

Acceleration: 500 G's

Vibration: 30 G's

Weight: 20 gms typical

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

Toggle Columns: Parameter - Conditions

Parameters	Conditions	1690-S12 (6.5W) MIN	1690-S12 (6.5W) TYP	1690-S12 (6.5W) MAX
Output Voltage (FLD)	—	+11.9	+12.0	+12.1
Output current	V_{in min} — V_{in max}	-	-	541mA
Efficiency	P_out = max rated load	77%	81%	-
Line regulation	P_out = max rated load V_{in min} — V_{in max}	-	20mV	100mV
Load regulation	P_out = 10% to F.L.	-	20mV	100mV
Output ripple	V_{in min} — V_{in max}	-	60	150

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
UF	Case Style 8	12	Seam Weld Flanged Chassis Mount	Download