Document
ISH Series
2 Watts
• xxxSingle Output Series
• SMD Package • Industry Standard Pinout • Operating Temperature 40 °C to +105 °C • 1500 VDC Isolation, 3000 VDC Option • 3 Year Warranty
DC-DC Converter
Models & Ratings
Input Voltage 4.5-5.5
10.8-13.2 13.5-16.5 21.6-26.4
Output Voltage
3.3V 5V 9V 12V 15V 5V 9V 12V 15V 24V 15V 5V 12V 15V 24V
Output Current
400 mA 400 mA 222 mA 167 mA 133 mA 400 mA 222 mA 167 mA 133 mA 83 mA 133 mA 400 mA 167 mA 133 mA 83 mA
Input Current(2)
No Load
Full Load
30 mA
506 mA
30 mA
506 mA
30 mA
506 mA
30 mA
506 mA
30 mA
506 mA
25 mA
212 mA
25 mA
212 mA
25 mA
212 mA
25 mA
212 mA
25 mA
212 mA
18 mA
169 mA
15 mA
105 mA
15 mA
105 mA
15 mA
105 mA
15 mA
105 mA
Notes 1. For optional 3000 VDC isolation add suffix ‘-H’ to end of part number e.g. ISH1224A-H. 2. Input currents measured at nominal input voltage. 3. Typical value at full load.
Dimensions:
ISH: 0.500 x 0.44 x 0.285” (12.7 x 11.2 x 7.25 mm)
Maximum Capacitive Load
220 µF 220 µF 220 µF 220 µF 220 µF 220 µF 220 µF 220 µF 220 µF 220 µF 220 µF 220 µF 220 µF 220 µF 220 µF
Efficiency(3)
72% 79% 82% 82% 83% 79% 82% 82% 83% 84% 83% 79% 82% 83% 86%
Model Number(1)
ISH0503A ISH0505A ISH0509A ISH0512A ISH0515A ISH1205A ISH1209A ISH1212A ISH1215A ISH1224A ISH1515A ISH2405A ISH2412A ISH2415A ISH2424A
Mechanical Details
0.441±0.012 (11.20±0.30)
0.327 (8.30) 0.285 (7.25) 0.276 (7.00)
0.500±0.020 (12.70±0.5) 0.300 (7.62)
Top View
0.024 (0.60)
0.035 (0.88)
A
0.010 (0.25)
Recommended Footprint Top View grid: 0.1 x 0.1 in (2.54 x 2.54 mm)
Side View 0.100 0.010 (2.54) (0.25)
A
8 12
5 4
0.039 (1.00)
0.100 (2.54)
5 .00 º
0.480 (12.20)
PIN CONNECTIONS
Pin Function 1 GND 2 +Vin 4 0V 5 +Vout 8 No Connection
Notes 1. All dimensions are in inches (mm) 2. Weight: 0.003 lbs (1.5 g) typical. 3. Pin diameter: 0.02 ±0.002 (0.5 ±0.005) 4. Pin pitch and length tolerance: ±0.014 (±0.35) 5. Case tolerance: ±0.02 (±0.5)
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ISH Series
Input
Characteristic
Input Voltage Range
Input Current Input Reflected Ripple
Input Surge
Input Filter
Minimum 4.50 10.80 13.50 21.60
Capacitor
Typical 15
DC-DC Converter
Maximum 5.50 13.20 16.50 26.40
9 18 21 30
Units VDC VDC VDC VDC
mA pk-pk VDC for 1 s VDC for 1 s VDC for 1 s VDC for 1 s
Notes & Conditions
5 V nominal 12 V nominal 15 V nominal 24 V nominal See Models and Ratings table Through 12 µH inductor and 47 µF capacitor 5 V models 12 V models 15 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
Minimum 3.3
10
Typical
2 100
Maximum 24
-7.5, +2.5 ±1.2
3
220 0.03
Units VDC
% % % % ms mV pk-pk
% deviation
µF %/˚C
Notes & Conditions See Models and Ratings table At 70% load
Per 1% change of input voltage (±1.5% for 3V3 output) See graph
20 MHz bandwidth, measured using 0.1 µF capacitor Recovery to within 1% in 500 µs for a 25% load change (5% max. deviation for 3.3 & 5 V models) Continuous, with auto recovery, except 1 s max for 24 input V models
General
Characteristic Efficiency Isolation: Input to Output
Switching Frequency Isolation Resistance Isolation Capacitance Power Density Mean Time Between Failure Weight
Minimum
1500 50 109
3500
Typical
20 0.003 (1.5)
Maximum 300 31.8
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
+105 +125 +115
95
Units
°C °C °C % RH
Notes & Conditions Derate from 100% load at +100 °C to 80% load at 105 °C
Non-condensing Natural convection
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ISH Series
EMC: Emissions
Phenomenon Conducted Radiated
EMC: Immunity
Phenomenon ESD Immunity Radiated Immunity EFT/Burst Surge Conducted Immunity Magnetic Fields
Load Regulation
Standard EN55022 EN55022
Standard EN61000-4-2 EN61000-4-3 EN61000-4-4 EN61000-4-5 EN61000-4-6 EN61000-4-8
DC-DC Converter
Test Level Class B Class B
Notes & Conditions See Application Note for Class B filter See Application Note for Class B filter
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
Output Voltage Accuracy (%) Output Voltage Accuracy (%)
115 105 Typical Load Curve 100
0 50 70 Load (%)
For 3.3 V output models
+2.5% -2.5% -7.5%
100
110 105 Typical Load Curve 100
0 50 70 Load (%)
For all other models
+2.5% -2.5% -7.5%
100
Application Note EMI Filter for Class B Emissions
4.7 µF, 50 V
6.8 µH 4.7 µF, 50 V
+ Vin
+ Vout
ISH
-Vin 0 V
C Load
For ISH2424A model only, add Ycap, 470 µF, 3 kv
.