xppower.com
1 Watt
ISF Series
Single & Dual Output
SMD Package
Industry Standard Pinouts
1000 VDC Isolation, 3000 VDC Optional
MTBF >3.5 MHrs
40 C to +85 C Operation
3 Year Warranty
Specification
(4,5)
Input Voltage Output Voltage Output Current Efficiency (typ) Model Number
(1,2,3)
3.3 V 300 mA 73% ISF0303A
Input
3.3 VDC
(1,2,3)
5.0 V 200 mA 74% ISF0305A
(2)
Input Voltage Range Nominal 10%
3.3 V 300 mA 72% ISF0503A
(1,2,3)
5.0 V 200 mA 77% ISF0505A
Input Reverse Voltage None
(1,2,3)
5 VDC 9.0 V 110 mA 76% ISF0509A
Protection
(1,2,3)
12.0 V 84 mA 79% ISF0512A
(1,2,3)
15.0 V 67 mA 78% ISF0515A
Output
(1,2,3)
5.0 V 200 mA 69% ISF1205A
(1,2,3)
Output Voltage See table
9.0 V 110 mA 73% ISF1209A
12 VDC
(1,2,3)
(6)
12.0 V 84 mA 73% ISF1212A
Minimum Load 10%
(1,2,3)
15.0 V 67 mA 74% ISF1215A
Line Regulation 1.2%/1% Vin
3.3 V 300 mA 69% ISF2403A
(1)
Load Regulation 7.5% max for a 10-100% load change
5.0 V 200 mA 70% ISF2405A
(1)
9.0 V 110 mA 72% ISF2409A
Setpoint Accuracy 100-110% of nominal at 10% load
24 VDC
(1)
12.0 V 84 mA 75% ISF2412A
Ripple & Noise Single output: 100 mV pk-pk,
(1)
15.0 V 67 mA 76% ISF2415A
Dual output: 75 mV pk-pk,
24.0 V 42 mA 77% ISF2424A
20 MHz bandwidth
Notes
Temperature Coefficient 0.03%/C
1. For dual output models, delete suffix A at the end of the part number and
split current equally between two outputs.
General 2. For single output 3000 VDC isolation, add -H to the end of the part number.
3. For dual output 3000 VDC isolation, replace A with -H in the part number.
Efficiency See table
4. For package type see connections table.
Isolation Voltage 1000 VDC standard, 3000 VDC optional
5. Single & dual output 1 kV models can have optional pinout, add suffix -X to
9
part number
Isolation Resistance 10
6. Operation at no load will not damage device but may not meet all specifications.
Switching Frequency 5/12 V input: 100 kHz, 24 V input: 500 kHz
typical at nominal input, full load
MTBF >3.5 MHrs to MIL-HDBK-217F at 25 C, GB
Mechanical Details
Recommended Footprint
Environmental Top View grid: 0.1 x 0.1 in (2.54 x 2.54 mm)
0.600 (15.24)
0.400
Package A A1 A2
(10.16)
Operating Temperature -40 C to +85 C, full load
Storage Temperature -55 C to +125 C Side View 10 9 87 6 10 7
Top View
Case Temperature 105 C max 1234 5 12 4 5
0.010
0.100
(0.25)
0.002 (2.54)
0.004 0.024
0.100
Cooling Convection-cooled
0.10 0.05
(0.60 )
(2.54 ) 0.047
0.071
(1.20)
(1.80)
Lead Temperature 260 C, 0.06 in (1.5 mm) from case, 10 s
0.500 (12.70)
0.300 B1 B2
Package B
(7.62)
8
Side View 876 5 5
Top View
0.079
Connections
1234 12 4
0.100 0.010 (2.00)
0.002 (2.54) (0.25)
0.004
0.100 0.024
No.
0.05
Isolation Pinout Package +Vin -Vin -Vout 0 V +Vout N/C 0.10 0.039
(2.54 ) (0.60 )
O/P
(1.00)
1 1 kV Standard B1 2 1 N/A 4 5 3,6,7,8
0.600 (15.24)
C1
0.079
Package C 0.500 (12.70)
1 1 kV Optional -X B2 2 1 N/A 4 5 8
(2.00)
3,6,7,
1 3 kV Optional -H C1 2 1 N/A 5 8
12 1110 8 7
10,11,12 Side View
Top View
2 1 kV Standard A1 2 1 5 4 7 3,6,8,9,10
12 3 5 6
2 1 kV Optional -X A2 2 1 5 4 7 10 0.051
0.100 0.024 0.039
(1.30)
3,7,10,
(2.54) (0.60) (1.00)
2 3 kV Optional -H C1 2 1 6 5 8
11,12
Notes
0.01 0.02 (0.25)
(0.25)
1. All dimensions in inches (mm) 3. Weight: 0.004 lbs (1.7 g)
5
2. Tolerance: 0.010 (0.25) 4. Pin tolerance: 0.004 (0.10 mm)
0.053
0.335 (8.5)
(1.35)
06-July-12
DCDC
0.441 0.441
(11.20) (11.20)
0.441
(11.20)
0.295
0.295
0.295
(7.50)
(7.50)
(7.50)
0.246 0.250
0.254
(6.25) (6.50)
(6.50)
0.236 0.246
0.244
(6.25) (6.00) (6.25)
0.163
0.166 0.167
(4.13)
(4.25) (4.25)X-ON Electronics
Largest Supplier of Electrical and Electronic Components
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