ISH Series DC-DC Converter
xxx Series
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1
Models & Ratings
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.
• Single Output
• SMD Package
• Industry Standard Pinout
• Operating Temperature 40 °C to +105 °C
• 1500 VDC Isolation, 3000 VDC Option
• 3 Year Warranty
Dimensions:
ISH:
0.500 x 0.44 x 0.285” (12.7 x 11.2 x 7.25 mm)
2 Watts
Input Voltage Output Voltage Output
Current
Input Current(2) Maximum Capacitive
Load Efficiency(3) Model Number(1)
No Load Full Load
4.5-5.5
3.3V 400 mA 30 mA 506 mA 220 µF 72% ISH0503A
5V400 mA 30 mA 506 mA 220 µF 79% ISH0505A
9V 222 mA 30 mA 506 mA 220 µF 82% ISH0509A
12V 167 mA 30 mA 506 mA 220 µF 82% ISH0512A
15V 133 mA 30 mA 506 mA 220 µF 83% ISH0515A
10.8-13.2
5V400 mA 25 mA 212 mA 220 µF 79% ISH1205A
9V 222 mA 25 mA 212 mA 220 µF 82% ISH1209A
12V 167 mA 25 mA 212 mA 220 µF 82% ISH1212A
15V 133 mA 25 mA 212 mA 220 µF 83% ISH1215A
24V 83 mA 25 mA 212 mA 220 µF 84% ISH1224A
13.5-16.5 15V 133 mA 18 mA 169 mA 220 µF 83% ISH1515A
21.6-26.4
5V 400 mA 15 mA 105 mA 220 µF 79% ISH2405A
12V 167 mA 15 mA 105 mA 220 µF 82% ISH2412A
15V 133 mA 15 mA 105 mA 220 µF 83% ISH2415A
24V 83 mA 15 mA 105 mA 220 µF 86% ISH2424A
A
5.00 º
A
0.035
(0.88)
0.010
(0.25)
Recommended Footprint
0.100
(2.54)
0.100
(2.54)
0.010
(0.25)
0.480
(12.20)
0.039
(1.00)
0.024
(0.60)
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 grid: 0.1 x 0.1 in (2.54 x 2.54 mm)
Top View
Side View
12 4
5
8
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)
Notes
Mechanical Details
PIN CONNECTIONS
Pin Function
1GND
2+Vin
40 V
5+Vout
8No Connection
ISH Series
www.xppower.com 2
DC-DC Converter
Input
Output
Characteristic Minimum Typical Maximum Units Notes & Conditions
Output Voltage 3.3 24 VDC See Models and Ratings table
Initial Set Accuracy -7.5, +2.5 % At 70% load
Minimum Load 10 %
Line Regulation ±1.2 % Per 1% change of input voltage (±1.5% for 3V3 output)
Load Regulation % See graph
Start Up Delay 2 ms
Ripple and Noise 100 mV pk-pk 20 MHz bandwidth, measured using 0.1 µF capacitor
Transient Response 3 % deviation Recovery to within 1% in 500 µs for a 25% load change (5%
max. deviation for 3.3 & 5 V models)
Short Circuit Protection Continuous, with auto recovery, except 1 s max for
24 input V models
Maximum Capacitive Load 220 µF
Temperature Coefficient 0.03 %/˚C
Characteristic Minimum Typical Maximum Units Notes & Conditions
Input Voltage Range
4.50 5.50 VDC 5 V nominal
10.80 13.20 VDC 12 V nominal
13.50 16.50 VDC 15 V nominal
21.60 26.40 VDC 24 V nominal
Input Current See Models and Ratings table
Input Reflected Ripple 15 mA pk-pk Through 12 µH inductor and 47 µF capacitor
Input Surge
9VDC for 1 s 5 V models
18 VDC for 1 s 12 V models
21 VDC for 1 s 15 V models
30 VDC for 1 s 24 V models
Input Filter Capacitor
General
Characteristic Minimum Typical Maximum Units Notes & Conditions
Efficiency See Models and Ratings table
Isolation: Input to Output 1500 VDC For optional high isolation versions, 3000 VDC input to
output add suffix -H to model number
Switching Frequency 50 300 kHz
Isolation Resistance 109ΩInput to output, tested at 500 VDC
Isolation Capacitance 20 pF Input to output
Power Density 31.8 Win3
Mean Time Between Failure 3500 kHrs MIL-HDBK-217F, +25 °C GB
Weight 0.003 (1.5) lb (g)
Environmental
Characteristic Minimum Typical Maximum Units Notes & Conditions
Operating Temperature -40 +105 °C Derate from 100% load at +100 °C to 80% load at 105 °C
Storage Temperature -55 +125 °C
Case Temperature +115 °C
Operating Humidity 95 % RH Non-condensing
Cooling Natural convection
ISH Series
www.xppower.com
DC-DC Converter
304 Dec 14
EMC: Immunity
Phenomenon Standard Test Level Criteria Notes & Conditions
ESD Immunity EN61000-4-2 3B
Radiated Immunity EN61000-4-3 3 V/m A
EFT/Burst EN61000-4-4 2BExternal input capacitor required, 330 µF/100 V
Surge EN61000-4-5 2BExternal input capacitor required, 330 µF/100 V
Conducted Immunity EN61000-4-6 3 V rms A
Magnetic Fields EN61000-4-8 1 A/m A
EMC: Emissions
Phenomenon Standard Test Level Notes & Conditions
Conducted EN55022 Class B See Application Note for Class B filter
Radiated EN55022 Class B See Application Note for Class B filter
EMI Filter for Class B Emissions
Application Note
Output Voltage C
3.3 10.00 µF
510.00 µF
94.70 µF
12 2.20 µF
15 1.00 µF
24 0.47 µF
ISH
+Vout
C Load
0 V
+ Vin
-Vin
For ISH2424A model only, add Ycap, 470 µF, 3 kv
6.8 µH
4.7 µF,
50 V
4.7 µF,
50 V
Load Regulation
0 50
Load (%)
For 3.3 V output models
Load (%)
For all other models
Output Voltage Accuracy (%)
TypicalLoadCurve
70 100
100
105
115
+2.5%
-2.5%
-7.5%
0 50
Output Voltage Accuracy (%)
TypicalLoadCurve
70 100
100
105
110
+2.5%
-2.5%
-7.5%
