Product Series: 3650

3650

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 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 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

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

Single Output Devices

Parameters	Conditions	3650-S02 (20W)			3650-S02.5 (20W)			3650-S03.3 (20W)
Parameters	Conditions	MIN	TYP	MAX	MIN	TYP	MAX	MIN	TYP	MAX
Output Voltage (FLD)	—	+1.9	+2.0	+2.1	+2.4	+2.5	+2.6	+3.2	+3.3	+3.04
Output current	V_{in min} — V_{in max}	-	-	4A	-	-	4A	-	-	4A
Efficiency	P_out = max rated load	56%	59%	-	61%	64%	-	66%	70%	-
Line regulation	P_out = max rated load V_{in min} — V_{in max}	-	10mV	30mV	-	10mV	30mV	-	10mV	30mV
Load regulation	P_out = 10% to F.L.	-	10mV	30mV	-	10mV	30mV	-	10mV	30mV
Output ripple	F.L. BW 2 MHz mV_pp	-	25	50	-	30	60	-	30	65

Parameters	Conditions	3650-S05.2 (20W)			3650-S12 (20W)			3650-S15 (20W)
Parameters	Conditions	MIN	TYP	MAX	MIN	TYP	MAX	MIN	TYP	MAX
Output Voltage (FLD)	—	+5.1	+5.2	+5.3	+11.9	+12.0	+12.1	+14.9	+15.0	+15.1
Output current	V_{in min} — V_{in max}	-	-	3.85A	-	-	1.67A	-	-	1.33A
Efficiency	P_out = max rated load	73%	77%	-	78%	82%	-	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	F.L. BW 2 MHz mV_pp	-	40	85	-	60	150	-	75	180

Parameters	Conditions	3650-S28 (20W)
Parameters	Conditions	MIN	TYP	MAX
Output Voltage (FLD)	—	+27.8	+28.0	+28.2
Output current	V_{in min} — V_{in max}	-	-	0.72A
Efficiency	P_out = max rated load	78%	82%	-
Line regulation	P_out = max rated load V_{in min} — V_{in max}	-	50mV	250mV
Load regulation	P_out = 10% to F.L.	-	50mV	250mV
Output ripple	F.L. BW 2 MHz mV_pp	-	150	350

Dual Output Devices

Parameters	Conditions	3650-D05 (20W)			3650-D12 (20W)			3650-D15 (20W)
Parameters	Conditions	MIN	TYP	MAX	MIN	TYP	MAX	MIN	TYP	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	V_{in min} — V_{in max}	±150mA	-	±2A	±95mA	-	±0.84A	±76mA	-	±0.67A
Efficiency	P_out = max rated load	72%	76%	-	78%	82%	-	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	F.L. BW 2 MHz mV_pp	-	40	85	-	60	150	-	75	180

Pinout Table

3650-SXX <24	3650-SXX≥24	3650-DXX
Pin-1: bit	Pin-1: bit	Pin-1: bit
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-4: sync	Pin-4: sync	Pin-4: sync
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-7: + input	Pin-7: + input	Pin-7: + input
Pin-8: main output	Pin-8: N/C	Pin-8: N/C
Pin-9: main output ret	Pin-9: N/C	Pin-9: N/C
Pin-10: + remote sense	Pin-10: main output	Pin-10: + dual output
Pin-11: adjust	Pin-11: N/C	Pin-11: dual output rtn
Pin-12: - remote sense	Pin-12: main output ret	Pin-12: -dual output

Case Styles

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
I	Case Style 5	12	Seam Weld Flangeless PCB Mount	View PDF
IF	Case Style 6	12	Seam Weld Flanged PCB Mount	View PDF
WF	Case Style 8	12	Seam Weld Flanged Chassis Mount	View PDF
PB	Case Style 10	12	Solder Sealed PCB Stud Mount	View PDF
PE	Case Style 12	12	Seam Weld Stud PCM Mount	View PDF