ISA Series
www.xppower.com
2
DC-DC Converter
Input
Output
C
haracteristic
M
inimum
T
ypical
M
aximum
U
nits
N
otes & Conditions
Output Voltage ±5 ±24 VDC See Models and Ratings table
O
utput Voltage Balance ±2 % Dual output models
Initial Set Accuracy ±3.0 % At 100% load
M
inimum Load 10 %
Line Regulation ±1.2 %
Load Regulation % See graph
Cross Regulation ±5.0 %
Dual output models when one load is varied between 25% and
100% and the other is fixed at 100% load
Start Up Delay 2 ms
Ripple and Noise 60 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
Temperature Coefficient 0.02 %/˚C
Characteristic Minimum Typical Maximum Units Notes & Conditions
I
nput Voltage Range
2
.97 3.63 VDC 3.3 V nominal
4.50 5.50 VDC 5 V nominal
1
0.80 13.20 VDC 12 V nominal
1
3.50 16.50 VDC 15 V nominal
21.60 26.40 VDC 24 V nominal
I
nput Current See Models and Ratings table
I
nput Reflected Ripple 15 mA pk-pk Through 12 µH inductor and 47 µF capacitor
Input Surge
5 VDC for 15 ms 3.3 V models
9
VDC for 15 ms 5 V models
18 VDC for 15 ms 12 V models
2
1 VDC for 15 ms 15 V models
3
0 VDC for 15 ms 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 13 Win
3
Mean Time Between Failure 3500 kHrs MIL-HDBK-217F, +25 °C GB
Weight 0.004 (1.8) 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 +105 °C
Operating Humidity 95 % RH Non-condensing
Cooling Natural convection