DC-DC Converter
JCM30 Series
Input
Characteristic
Minimum
Typical
Maximum
Units
Notes & Conditions
12 V nominal
9
18
36
75
VDC
VDC
18
36
24 V nominal
Input Voltage Range
Input Reflected Ripple Current
Input Surge
VDC
48 V nominal
30
mA pk-pk
Through 12 µH inductor and 47 µF capacitor
25
50
VDC for 100 ms 12 V models
VDC for 100 ms 24 V models
VDC for 100 ms 48 V models
100
Output
Characteristic
Output Voltage
Output Trim
Minimum
3.3
Typical
Maximum
Units
VDC
%
Notes & Conditions
30
See Models and Ratings table
Single Output Versions
10
Initial Set Accuracy
Minimum Load
Line Regulation
Load Regulation
1
%
At full load
0
%
No minimum load required
0.5
%
From minimum to maximum input at full load
From 0% to full load for single/dual output
0.5/1.0
%
On dual output models, when one output is at 100% load
and other is varied from 25% load to full load
Cross Regulation
5
%
Single output 10 µF X7R MLCC
Dual output with 10 µF/25 V X7R MLCC on each output
measured using 20 MHz bandwidth
Ripple & Noise
75/60
mV pk-pk
%
Overload Protection
150
Short Circuit Protection
Maximum Capacitive Load
Temperature Coefficient
Over Protection Voltage
Continuous trip and restart (hiccup), with auto recovery
See Models and Ratings table
0.02
%/˚C
See Models and Ratings table
Output is on if remote on/off (pin 3) is open or high (3.0 to 12 VDC)
Output turns off if remote on/off (pin 3) is low (<1.2 VDC max)
Remote On/Off
General
Characteristic
Minimum
Typical
Maximum
Units
%
Notes & Conditions
Efficiency
92
See Models and Ratings table
Isolation: Input to Output
Isolation: Input to Case
1600
1600
VDC
VDC
270
330
3.3 and 5.0 V
Other models
Switching Frequency
kHz
9
Isolation Resistance
Isolation Capacitance
Power Density
10
Ω
2000
73
pF
3
W/in
Mean Time Between Failure
Weight
370
kHrs
lb (g)
MIL-HDBK-217F, +25 °C GB
0.042 (19.0)
Environmental
Characteristic
Minimum
-40
Typical
Maximum
Units
Notes & Conditions
Derate from 100% load at +55 °C to 50% at +80 °C or
from 100% load at 60 °C to 50% at 85 °C with optional
heatsink
Operating Temperature
+100
°C
Storage Temperature
Case Temperature
Humidity
-55
+125
+105
95
°C
°C
%RH
Non-condensing
Cooling
Natural convection
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