Product Series: 1690

1690

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

Parameters	Conditions	1690-S03.3 (6.5W)			1690-S05 (6.5W)			1690-S12 (6.5W)
Parameters	Conditions	MIN	TYP	MAX	MIN	TYP	MAX	MIN	TYP	MAX
Output Voltage (FLD)	—	+3.2	+3.3	+3.4	+4.9	+5.0	+5.1	+11.9	+12.0	+12.1
Output current	V_{in min} — V_{in max}	-	-	1.97A	-	-	1.3A	-	-	541mA
Efficiency	P_out = max rated load	65%	68%	-	70%	73%	-	77%	81%	-
Line regulation	P_out = max rated load V_{in min} — V_{in max}	-	10mV	30mV	-	10mV	50mV	-	20mV	100mV
Load regulation	P_out = 10% to F.L.	-	10mV	30mV	-	10mV	50mV	-	20mV	100mV
Output ripple	V_{in min} — V_{in max}	-	30	65	-	40	85	-	60	150

Parameters	Conditions	1690-S15 (6.5W)			1690-S28 (6.5W)
Parameters	Conditions	MIN	TYP	MAX	MIN	TYP	MAX
Output Voltage (FLD)	—	+14.9	+15.0	+15.1	+27.8	+28.0	+28.2
Output current	V_{in min} — V_{in max}	-	-	433mA	-	-	232mA
Efficiency	P_out = max rated load	73%	76%	-	77%	81%	-
Line regulation	P_out = max rated load V_{in min} — V_{in max}	-	25mV	125mV	-	50mV	250mV
Load regulation	P_out = 10% to F.L.	-	25mV	125mV	-	50mV	250mV
Output ripple	V_{in min} — V_{in max}	-	75	180	-	150	350

Parameters	Conditions	1690-D05 (6.5W)			1690-D12 (6.5W)			1690-D15 (6.5W)
Parameters	Conditions	MIN	TYP	MAX	MIN	TYP	MAX	MIN	TYP	MAX
Output Voltage (FLD)	—	+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	V_{in min} — V_{in max}	±35mA	-	±625mA	±35mA	-	±270mA	±76mA	-	±1A
Efficiency	P_out = max rated load	72%	75%	-	77%	81%	-	79%	83%	-
Line regulation	P_out = max rated load V_{in min} — V_{in max}	-	±10mV	±50mV	-	±20mV	±100mV	-	±25mV	±125mV
Load regulation	P_out = 10% to F.L.	-	±10mV	±50mV	-	±20mV	±100mV	-	±25mV	±125mV
Output ripple	V_{in min} — V_{in max}	-	40	85	-	60	150	-	75	180

Parameters	Conditions	1690-T3.3/5 (6.5W)			1690-T3.3/12 (6.5W)			1690-T3.3/15 (6.5W)
Parameters	Conditions	MIN	TYP	MAX	MIN	TYP	MAX	MIN	TYP	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
Output current	V_{in min} — V_{in max}	75mA ±20mA	- -	750mA ±150mA	75mA ±20mA	- -	750mA ±105mA	75mA ±20mA	- -	750mA ±83mA
Efficiency	P_out = max rated load	65%	68%	-	65%	68%	-	65%	66%	-
Line regulation	P_out = max rated load V_{in min} — V_{in max}	- -	10mV 25mV	50mV 50mV	- -	10mV 25mV	50mV 50mV	- -	10mV 25mV	50mV 50mV
Load regulation	P_out = 10% to F.L.	- -	10mV 25mV	50mV 50mV	- -	10mV 25mV	50mV 50mV	- -	10mV 25mV	50mV 50mV
Output ripple	V_{in min} — V_{in max}	- -	30 -	65 50	- -	30 -	65 50	- -	30 -	65 50

Parameters	Conditions	1690-T05 (6.5W)			1690-T12 (6.5W)			1690-T15 (6.5W)
Parameters	Conditions	MIN	TYP	MAX	MIN	TYP	MAX	MIN	TYP	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 +11.9 -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	V_{in min} — V_{in max}	60mA ±20mA	- -	500mA ±150mA	60mA ±20mA	- -	500mA ±105mA	60mA ±20mA	- -	500mA ±83mA
Efficiency	P_out = max rated load	62%	66%	-	66%	70%	-	70%	73%	-
Line regulation	P_out = max rated load V_{in min} — V_{in max}	- -	10mV 25mV	50mV 50mV	- -	10mV 25mV	50mV 50mV	- -	10mV 25mV	50mV 50mV
Load regulation	P_out = 10% to F.L.	- -	10mV 25mV	50mV 50mV	- -	10mV 25mV	50mV 50mV	- -	10mV 25mV	50mV 50mV
Output ripple	V_{in min} — V_{in max}	- -	40 -	85 50	- -	40 -	85 50	- -	40 -	85 50

1690-SXX<24	1690-SXX≥24	1690-DXX	1690-TXX
Pin-1: N/C	Pin-1: N/C	Pin-1: N/C	Pin-1: N/C
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

Part Number Designator	Case Style	Pin Count	Mounting	Step File
2	Case Style 2	12	Solder Sealed Flangelss PCB Mount	View PDF
F – 10 Pin	Case Style 3	10	Solder Sealed Flanged PCB Mount	View PDF
UF	Case Style 8	12	Seam Weld Flanged Chassis Mount	View PDF