DC-DC
10 Watts
JCF10 Series
•
•
•
•
•
•
•
2:1 Input Range
DIP-24 Metal Package
xppower.com
Operating Temperature -40 °C to +100 °C
High Efficiency up to 89%
1500 VDC Isolation
Input Pi Filter
Continuous Short Circuit Protection
Specification
Input
Input Voltage Range
Input Current
Input Filter
Undervoltage Lockout
• 24 V (18-36 VDC)
48 V (36-75 VDC)
• See table
• Pi network
• Turn on >71% nominal input
Turn off <67% nominal input
General
Efficiency
Isolation Voltage
Switching Frequency
MTBF
• See table
• 1500 VDC min
• 380 kHz typical
• 1,000 kHrs min per MIL-HDBK-217F
Environmental
Operating Temperature
Case Temperature
Storage Temperature
Cooling
Operating Humidity
Shock
Vibration
•
•
•
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•
•
-40 °C to +100 °C (see derating curve)
+100 °C max
-40 °C to +125 °C
Convection-cooled
Up to 95% RH, non-condensing
30 g, half sine wave 18 ms pulse applied
3 times on each of 6 axes
• 5-500 Hz, 3 g, for 10 mins on each
of 3 axes
Output
Output Voltage
Minimum Load
Line Regulation
Load Regulation
Setpoint Accuracy
Ripple & Noise
Transient Response
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•
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•
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•
•
See table
None
±0.2%
±0.5%
±1.0%
75 mV pk-pk, 20 MHz BW
±5% deviation recovery to within 1% in
<500 µs for a 25% step load change
• ±0.05%/°C
Temperature
Coefficient
Overvoltage Protection
• On single output models only
2.5 V models: 3.9 V typical,
3.3 V models: 3.9 V typical,
5.0 V models: 6.2 V typical,
12.0 V models: 15.0 V typical
Overcurrent Protection
• 110-140%
Short Circuit Protection
• Trip & restart (Hiccup mode), auto recovery
EMC
Emissions
• EN55022, Level A conducted & radiated
with external components (contact
technical sales for details)
• EN61000-4-2, Level 2 Perf Criteria A
• EN61000-4-3, 3 V/m Perf Criteria A
• EN61000-4-6, 3 V rms Perf Criteria A
ESD Immunity
Radiated Immunity
Conducted Immunity
DC-DC
Models and Ratings
Input
Voltage
Output
Voltage
2.5 VDC
3.3 VDC
5.0 VDC
12.0 VDC
2.5 VDC
3.3 VDC
5.0 VDC
12.0 VDC
Output
Current
3.00 A
3.00 A
2.00 A
0.84 A
3.00 A
3.00 A
2.00 A
0.84 A
Input Current
(1)
No Load
Full Load
30 mA
368 mA
30 mA
480 mA
30 mA
475 mA
30 mA
470 mA
15 mA
185 mA
15 mA
240 mA
15 mA
240 mA
15 mA
235 mA
Efficiency
85%
86%
88%
89%
85%
86%
87%
89%
JCF
Model
Number
JCF1024S2V5
^
JCF1024S3V3
^
JCF1024S05
^
JCF1024S12
^
JCF1048S2V5
^
JCF1048S3V3
^
JCF1048S05
^
JCF1048S12
^
18-36 VDC
36-75 VDC
Notes
1. Input current measured at nominal input voltage.
^
Available from Newark. See pages 207-208.
Mechanical Details
0.10 (2.54)
0.18 (4.5)
0.60 (15.24)
0.15 (3.8)
0.8 (20.3)
0.40 (10.2)
All dimensions are in inches (mm)
Pin Size:
Diameter 0.02 (0.50)
Tolerance:
x.xx = ±0.02 (x.xxx = ±0.010)
Weight:
18.4 g (0.04 lbs)
23
22
BOTTOM
VIEW
16
14
2
3
1.25 (31.8)
0.20 (5.08)
9
11
0.6 (15.24)
PIN CONNECTION
Pin
Function
2
-V Input
3
-V Input
9
No Pin
11
NC
14
+V Output
16
-V Output
22
+V Input
23
+V Input
Application Notes
Derating Curve
-3.33%/°C for 5.0 V & 12.0 V models
100
-2.86%/°C for 2.5 V & 3.3 V models
80
Load (%)
60
40
20
0
-40 -20
0
10
20 30 40 50 60
Ambient Temperature (ºC)
70
80
90
100
17-Apr-07
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