ISH Series
www.xppower.com
2
DC-DC Converter
Input
Output
C
haracteristic
M
inimum
T
ypical
M
aximum
U
nits
N
otes & Conditions
O
utput Voltage 3.3 24 VDC See Models and Ratings table
I
nitial Set Accuracy -7.5, +2.5 % At 70% load
M
inimum 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
C
haracteristic
M
inimum
T
ypical
M
aximum
U
nits
N
otes & Conditions
Input Voltage Range
4
.50 5.50 VDC 5 V nominal
10.80 13.20 VDC 12 V nominal
1
3.50 16.50 VDC 15 V nominal
2
1.60 26.40 VDC 24 V nominal
Input Current See Models and Ratings table
I
nput Reflected Ripple 15 mA pk-pk Through 12 µH inductor and 47 µF capacitor
Input Surge
9
VDC for 1 s 5 V models
18 VDC for 1 s 12 V models
2
1 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 10
9
Ω
Input to output, tested at 500 VDC
Isolation Capacitance 20
pF
Input to output
Power Density 31.8 Win
3
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
