Document
ISW Series
DC-DC Converter
1 Watt
• xxxSingle Output Series
• SMD Package • Industry Standard Pinout • Regulated Output • Operating Temperature -40 °C to +85 °C • 1500 VDC Isolation, 3000 VDC Option • 3 Year Warranty
Dimensions:
ISW: 0.600 x 0.44 x 0.285” (15.24 x 11.2 x 7.25 mm)
Models & Ratings
Input Voltage 4.75-5.25
11.4-12.6 22.8-25.2
Output Voltage
3.3 V 5V 12 V 15 V 5V 12 V 15 V 5V 12 V
Output Current
243 mA 200 mA
84 mA 67 mA 200 mA 84 mA 67 mA 200 mA 84 mA
Input Current(3)
No Load
Full Load
15 mA
270 mA
15 mA
270 mA
15 mA
270 mA
15 mA
270 mA
10 mA
115 mA
10 mA
115 mA
10 mA
115 mA
7 mA
56 mA
7 mA
56 mA
Maximum Capacitive Load
220 µF 220 µF 220 µF 220 µF 220 µF 220 µF 220 µF 220 µF 220 µF
Notes 1. For optional 3000 VDC isolation add suffix ‘-H’ to end of part number e.g.
ISW1224A-H. 2. Input currents measured at nominal input voltage.
3. Typical value at full load.
Mechanical Details
Efficiency
58% 72% 73% 74% 73% 73% 75% 73% 73%
Model Number
ISW0503A(1) ISW0505A(1) ISW0512A(1) ISW0515A(1) ISW1205A(1) ISW1212A(1) ISW1215A ISW2405A(1) ISW2412A(1)
0.441±0.012 (11.20±0.30)
0.327 (8.30) 0.285 (7.25) 0.276 (7.00)
0.600±0.020 (15.24±0.5)
10 7 Top View
12 45
8.30 (0.327)
0.441±0.012 (11.20±0.3)
0.024 (0.60)
0.035 (0.88)
0.1 (2.54)
0.4 (10.16)
A A 0.010 (0.25)
5 .00 º
Notes 1. All dimensions are in inches (mm) 2. Weight: 0.004 lbs (2.0 g) typical. 3. Pin diameter: 0.02 ±0.002 (0.5 ±0.005)
Recommended Footprint Top View grid: 0.1 x 0.1 in (2.54 x 2.54 mm)
Front View
10 7
12
45
0.039 (1.00)
0.100 (2.54)
0.400 (10.16)
0.480 (12.20)
PIN CONNECTIONS
Pin Function
1 GND 2 Vin 4 0V 5 0V 7 +Vo 10 NC
4. Pin pitch and length tolerance: ±0.014 (±0.35) 5. Case tolerance: ±0.02 (±0.5)
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ISW Series
Input
Characteristic
Input Voltage Range
Input Current Input Reflected Ripple
Input Surge
Input Filter
Minimum 4.75 11.4 22.8
Capacitor
Typical 15
DC-DC Converter
Maximum 5.25 12.6 25.2
9 18 30
Units VDC VDC VDC
mA pk-pk VDC for 1 s VDC for 1 s VDC for 1 s
Notes & Conditions
5 V nominal 12 V nominal 24 V nominal See Models and Ratings table Through 12 µH inductor and 47 µF capacitor 5 V models 12 V models 24 V models
Output
Characteristic Output Voltage Initial Set Accuracy Minimum Load Line Regulation
Load Regulation
Start Up Delay Ripple and Noise Transient Response Short Circuit Protection Maximum Capacitive Load Temperature Coefficient
General
Characteristic Efficiency Isolation: Input to Output
Switching Frequency Isolation Resistance Isolation Capacitance Power Density Mean Time Between Failure Weight
Minimum 3.3
10
Typical 2
Maximum 15 ±3
±0.25 3 2
50 3
220 0.03
Units VDC
% % % % % ms mV pk-pk % deviation
µF %/°C
Notes & Conditions See Models and Ratings table At 100% load
Per 1% change of input voltage (±1.5% for 3V3 output) 3.3 V output from 10%, full load Other outputs from 10%, full load
20 MHz bandwidth, measured using 0.1 µF capacitor Recovery to within 1% in 500 µs for a 25% load change Continuous, with auto recovery
Minimum
1500 50 109
3500
Typical
20 0.004 (2.0)
Maximum 300 13.3
Units
VDC
kHz Ω pF Win3 kHrs lb (g)
Notes & Conditions See Models and Ratings table For optional high isolation versions, 3000 VDC input to output add suffix -H to model number
Input to output, tested at 500 VDC Input to output
MIL-HDBK-217F, +25 °C GB
Environmental
Characteristic Operating Temperature Storage Temperature Case Temperature Operating Humidity Cooling
Minimum -40 -55
Typical
Maximum
+85 +125 +115
95
Units
°C °C °C % RH
Notes & Conditions Derate from 100% load at +70 °C to 60% load at 85 °C
Non-condensing Natural convection
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2
ISW Series
DC-DC Converter
EMC: Emissions
Phenomenon Conducted Radiated
Standard EN55022 EN55022
Test Level Class B Class B
Notes & Conditions See Application Note for Class B filter See Application Note for Class B filter
EMC: Immunity
Phenomenon ESD Immunity Radiated Immunity EFT/Burst Surge Conducted Immunity Magnetic Fields
Standard
EN61000-4-2 EN61000-4-3 EN61000-4-4 EN61000-4-5 EN61000-4-6 EN61000-4-8
Test Level
3 3 V/m
2 2 3 V rms 1 A/m
Criteria
B A B B A A
Notes & Conditions
External input capacitor required, 330 µF/100 V External input capacitor required, 330 µF/100 V
0.441±0.012 (11.20±0.30)
0.327 (8.30) 0.285 (7.25) 0.276 (7.00)
Mechanical Details
0.600±0.020 (15.24±0.5)
10 7 Top View
12 45
8.30 (0.327)
0.441±0.012 (11.20±0.3)
0.024 (0.60)
0.035 (0.88)
0.1 (2.54)
0.4 (10.16)
A A 0.010 (0.25)
5 .00 º
Notes 1. All dimensions are in inches (mm) 2. Weight: 0.004 lbs (2.0 g) typical. 3. Pin diameter: 0.02 ±0.002 (0.5 ±0.005)
Application Note EMI Filter for Class B Emissions
6.8 µH 4.7 µF, 50 V
+ Vin
+ Vout
ISW
-Vin 0 V
Recommended Footprint Top View grid: 0.1 x 0.1 in (2.54 x 2.54 mm)
Front View
10 12
7 45
0.039 (1.00)
0.100 (2.54)
0.400 (10.16)
0.480 (12.20)
PIN CONNECTIONS
Pin Function
1 GND 2 Vin 4 0V 5 0V 7 +Vo 10 NC
4. Pin pitch and length toler.