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DATASHEET
Rev. A
JFC20 SERIES
2:1 Wide Input Voltage Range
Single and Dual Outputs
Industry Standard Package and Footprint
20 Watt DC/DC Power Converters
FEATURES
• 20 Watts Maximum Output Power
• Single and Dual Outputs
• Industry Standard Pin-Out
• Small Size and Low Profile: 1.0” x 1.0” x 0.39”
• 2:1 Wide Input Voltage Range
• High Efficiency up to 92%
• 1600VDC I/O Isolation
• Ultra Low Quiescent Current
APPLICATIONS
•
•
•
•
Wireless Networks
Telecom / Datacom
Industry Control Systems
Measurement Equipment
• Semiconductor Equipment
OPTIONS
• Negative Remote ON/OFF
• Without Trim Pin
• Without ON/OFF Pin
• Heatsink
• Remote ON/OFF Control
• Fixed Switching Frequency
• Over Voltage, Over Load, and Short Circuit Protected
• Six-Sided Continuous Shield
• EMI Meets EN55022 Class A Without External Filter
• CE Mark Meets 2006/95/EC, 93/68/EEC, and 2004/108/EC
• UL60950-1, EN60950-1, and IEC60950-1 Safety Approvals
• Compliant to RoHS EU Directive 2002/95/EC
DESCRIPTION
The JFC20 series of DC/DC power converters provides 20 watts of output power in a 1.0 x 1.0 x 0.39 inch industry
standard package and footprint. This series has single and dual output models with 2:1 wide input voltage ranges of 918VDC, 18-36VDC, and 36-75VDC. Some features include high efficiency, ultra low quiescent current, 1600VDC I/O
isolation, remote ON/OFF, and trimmable output voltage. This series is also protected against over voltage, over current,
input under voltage, and short circuit conditions. All models are RoHS compliant and have UL60950-1, EN60950-1, and
IEC60950-1 safety approvals.
06/01/2016
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 1 of 5
JFC20 Series
Single & Dual Outputs
2:1 Input Voltage Range
20 Watt DC/DC Power Converters
Rev. B
SPECIFICATIONS: JFC20 Series
All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted. We reserve the right to change specifications based on technological advances.
SPECIFICATION
TEST CONDITIONS
Min
Nom
Max
9
18
36
12
24
48
18
36
75
25
50
100
9
18
36
Unit
INPUT SPECIFICATIONS
Input Voltage Range
Input Surge Voltage (1 sec max)
Start-Up Voltage
Shutdown Voltage
Input Reflected Ripple Current
Input Filter
OUTPUT SPECIFICATIONS
Output Voltage
Line Regulation
Load Regulation
Cross Regulation (Dual Output Models)
Voltage Adjustability (See Note 6)
Voltage Accuracy
Output Power
Output Current
Ripple & Noise (20MHz Bandwidth)
Transient Response Recovery Time
Start-Up Time
12VDC nominal input models
24VDC nominal input models
48VDC nominal input models
12VDC nominal input models
24VDC nominal input models
48VDC nominal input models
12VDC nominal input models
24VDC nominal input models
48VDC nominal input models
12VDC nominal input models
24VDC nominal input models
48VDC nominal input models
Nominal Vin and full load
8
16
33
30
Over Load Protection
Short Circuit Protection
GENERAL SPECIFICATIONS
Efficiency
Switching Frequency
Isolation Voltage (1 minute)
Isolation Resistance
Isolation Capacitance
REMOTE ON/OFF (See Note 7)
DC/DC ON
DC/DC OFF
DC/DC ON
Negative Logic (option)
DC/DC OFF
Input Current of Remote Control Pin
Remote Off State Input Current
ENVIRONMENTAL SPECIFICATIONS
Relative Humidity (non-condensing)
Thermal Shock
Vibration
MTBF (See Note 1)
PHYSICAL SPECIFICATIONS
Weight
Case Material
Base Material
Potting Material
Dimensions (L x W x H)
SAFETY & EMC CHARACTERISTICS
Safety Approvals
EMI (See Note 9)
25% load step change
Nominal Vin and constant
resistive load
mAp-p
-0.2
-0.5
-0.2
-1.0
-0.1
-0.8
-5
-10
-10
-1
+0.2
+0.5
+0.2
+1.0
+0.1
+0.8
+5
+20
+10
+1
20
%
%
%
%
%
W
250
µs
Power Up
Remote ON/OFF
30
30
3.3V output models
5V output models
12V output models
15V output models
24V output models
% of full load at nominal input
0
-0.02
+0.02
3.7
5.6
13.5
16.8
29.1
5.4
7.0
19.6
20.5
32.5
ms
%
%/°C
VDC
150
Continuous, automatic recovery
Nominal Vin and full load
3.3Vout, 5Vout
Others
Input to Output
Input (Output) to Case
500VDC
%
See Table
248
297
1600
1000
1
Nominal Vin
Nominal Vin
-0.5
Without derating
With derating
-40
+60
275
330
Natural convection
Natural convection with heatsink
303
363
1500
GΩ
pF
Open or 3V~ 15V
Short or 0V ~ 1.2V
Short or 0V ~ 1.2V
Open or 3V ~ 15V
+1.0
2.0
mA
mA
+60
+101
+105
+125
17.6
14.8
5
MIL-HDBK-217F, Full Load
KHz
VDC
-55
°C
°C
°C
°C/Watt
95
MIL-STD-810F
MIL-STD-810F
1, 477, 000 Hours
% RH
0.53oz (15g)
Nickel-coated copper
FR4 PCB
Silicon (UL94-V0)
1.0 x 1.0 x 0.39 inches (25.4 x 25.4 x 9.9 mm)
IEC60950-1, UL60950-1, EN60950-1
Class A, Class B
EN55022
ESD
EN61000-4-2
Radiated Immunity
Fast Transient (See Note 10)
Surge (See Note 10)
Conducted Immunity
Power Frequency Magnetic Field
EN61000-4-3
EN61000-4-4
EN61000-4-5
EN61000-4-6
EN61000-4-8
06/01/2016
VDC
See Table
See Table
Maximum Case Temperature
Storage Temperature
Thermal Impedance (See Note 8)
VDC
See Table
Single Output Models
Dual Output Models
Single Output Models
No load to full load
Dual Output Models
Single Output Models
10% Load to 90% Load
Dual Output Models
Asymmetrical load 25% to 100% full load
24Vout
Single Output Models
Others
Low line to high line at full load
Positive Logic (standard)
Operating Ambient Temperature
VDC
Pi type
Minimum Load
Temperature Coefficient
PROTECTION
Over Voltage Protection
VDC
Air
Contact
±8KV
±6KV
10 V/m
±2KV
±2KV
10 Vrms
100A/m continuous; 100A/m 1 second
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Page 2 of 5
JFC20 Series
Single & Dual Outputs
2:1 Input Voltage Range
20 Watt DC/DC Power Converters
Rev. B
MODEL SELECTION TABLES
SINGLE OUTPUT MODELS
Model Number
JFC12S3.3-20
JFC12S5-20
JFC12S12-20
JFC12S15-20
JFC12S24-20
JFC24S3.3-20
JFC24S5-20
JFC24S12-20
JFC24S15-20
JFC24S24-20
JFC48S3.3-20
JFC48S5-20
JFC48S12-20
JFC48S15-20
JFC48S24-20
Input Voltage
Range
12 VDC
(9 – 18 VDC)
24 VDC
(18 – 36 VDC)
48 VDC
(36 – 75 VDC)
Output
Voltage
Output Current
Min. Load Full Load
Input Current
Output (4)
(3)
(2)
Ripple
& Noise
No Load
Full Load
Output
Power
Efficiency (4)
Maximum (5)
Capacitive Load
3.3 VDC
5 VDC
0mA
0mA
4500mA
4000mA
10mA
10mA
1510mA
1960mA
75mVp-p
75mVp-p
14.85W
20W
89%
89%
7000µF
5000µF
12 VDC
0mA
1670mA
10mA
1960mA
100mVp-p
20W
89%
850µF
15 VDC
24 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
24 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
24 VDC
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
1330mA
833mA
4500mA
4000mA
1670mA
1330mA
833mA
4500mA
4000mA
1670mA
1330mA
833mA
10mA
12mA
10mA
10mA
6mA
6mA
10mA
10mA
10mA
4mA
4mA
8mA
1960mA
746mA
969mA
969mA
958mA
373mA
490mA
484mA
484mA
-
100mVp-p
75mVp-p
75mVp-p
75mVp-p
100mVp-p
100mVp-p
75mVp-p
75mVp-p
75mVp-p
100mVp-p
100mVp-p
75mVp-p
20W
20W
14.85W
20W
20W
20W
20W
14.85W
20W
20W
20W
20W
89%
90%
90%
91%
90%
91%
92%
90%
90%
90%
90%
91%
700µF
220µF
7000µF
5000µF
850µF
700µF
220µF
7000µF
5000µF
850µF
700µF
220µF-
Output
Voltage
Output Current
Output
Power
Efficiency (4)
Maximum (5)
Capacitive Load
20W
20W
20W
20W
20W
20W
20W
20W
20W
89%
90%
90%
90%
90%
91%
89%
90%
91%
±500µF
±350µF
±100µF
±500µF
±350µF
±100µF
±500µF
±350µF
±100µF
DUAL OUTPUT MODELS
Model Number
JFC12D12-20
JFC12D15-20
JFC12D24-20
JFC24D12-20
JFC24D15-20
JFC24D24-20
JFC48D12-20
JFC48D15-20
JFC48D24-20
Input Voltage
Range
12 VDC
(9 – 18 VDC)
24 VDC
(18 – 36 VDC)
48 VDC
(36 – 75 VDC)
±12 VDC
±15 VDC
±24 VDC
±12 VDC
±15 VDC
±24 VDC
±12 VDC
±15 VDC
±24 VDC
Min. Load Full Load
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
±833mA
±667mA
±417mA
±833mA
±667mA
±417mA
±833mA
±667mA
±417mA
Input Current
Output (4)
No Load (3) Full Load (2) Ripple & Noise
10mA
10mA
14mA
6mA
6mA
12mA
4mA
4mA
10mA
1960mA
1938mA
969mA
969mA
490mA
484mA
-
100mVp-p
100mVp-p
100mVp-p
100mVp-p
100mVp-p
100mVp-p
100mVp-p
100mVp-p
100mVp-p
NOTES
1. BELLCORE TR-NWT-000332. Case 1: 50% Stress, Temperature at 40°C.
MIL-HDBK-217F Notice2 @Ta=25°C, Full load (Ground, Benign, controlled environment).
2. Maximum value at nominal input voltage and full load.
3. Typical value at nominal input voltage and no load.
4. Single Outputs: 3.3-15V measured with 1µF M/C X7R and a 10µF T/C, 24V measured with 2 pcs of 6.8µF/50V X7R MLCC
Dual Outputs: 12, 15V measured with 1µF M/C X7R and a 10µF T/C for each output, 24V measured with a 4.7µF/50V X7R MLCC for each output
5. Test by minimum Vin and constant resistive load.
6. Trimming allows the user to increase or decrease the output voltage set point of the module. This is accomplished by connecting an external resistor
between the TRIM pin and either the +Vout pin or the –Vout pin.
7. The ON/OFF control pin is referenced to –Vin. To order Negative Logic Remote ON/OFF add the suffix “R” to the model number.
8. Heatsink is optional and P/N: 7G-0047C-F. See “Product Standard Table” on page 5 for ordering information.
9. EN55022
1) To meet Class A the module needs no external components
2) To meet Class B please refer to the filter suggestion on page 4.
10. An external input filter capacitor is required if the module has to meet EN61000-4-4, EN61000-4-5. The filter capacitor suggested is Nippon
chemi-con KY series, 220μF /100V, ESR 48mΩ.
11. There are several different options available for this series. Please see the “Product Standard Table” on page 5 for all options and ordering
information.
CAUTION: This power module is not internally fused. An input line fuse must always be used.
Due to advances in technology, specifications subject to change without notice.
06/01/2016
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 3 of 5
JFC20 Series
Single & Dual Outputs
2:1 Input Voltage Range
20 Watt DC/DC Power Converters
Rev. B
DERATING CURVES
JFC48S5-20 Derating Curve
JFC48S5-20 Derating Curve with Heatsink
CHARACTERISTICS
JFC48S5-20 Efficiency vs Input Voltage
JFC48S5-20 Efficiency vs Output Load
Recommended Filter for EN55022 Class B Compliance
Recommended EN55022 Class B Filter Circuit Layout
The components used in the figure above are as follows:
C1, C2
C3
C4 & C5
N/A
N/A
470pF/2KV
1808 MLCC
4.7µF/50V
1812 MLCC
N/A
N/A
470pF/2KV
1808 MLCC
2.2µF/100V
1812 MLCC
2.2µF/100V
1812 MLCC
2.2µF/100V
1812 MLCC
1000pF/2KV
1808 MLCC
JFC20-12xxxx
4.7µF/25V
1812 MLCC
JFC20-24xxxx
JFC20-48xxxx
C2
L1
325µH
Common Choke
PMT-050
325µH
Common Choke
PMT-050
325µH
Common Choke
PMT-050
MECHANICAL DRAWING
06/01/2016
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 4 of 5
JFC20 Series
Single & Dual Outputs
2:1 Input Voltage Range
20 Watt DC/DC Power Converters
Rev. B
Unit: inches (mm)
PIN CONNECTIONS
Pin
Single
Dual
1
+Input
+Input
2
-Input
-Input
3
ON/OFF
ON/OFF
4
+Vout
+Vout
5
Trim
Common
6
-Vout
-Vout
EXTERNAL OUTPUT TRIMMING
Output can be externally trimmed
by using the method shown below.
TRIM UP
6
TRIM DOWN
5
RU
5
RD
4
PRODUCT STANDARD TABLE
Option
Suffix
Positive Remote ON/OFF (standard)
No Suffix
Negative Remote ON/OFF
R
Without ON/OFF Pin
D
1. Tolerance: X.XX±0.02 (X.X±0.5)
X.XXX±0.01 (X.XX±0.25)
Without ON/OFF & Trim Pin
G
Positive Remote ON/OFF without Trim Pin
F
2. Pin Pitch Tolerance: ±0.01 (0.25)
Negative Remote ON/OFF without Trim Pin
RF
COMPANY INFORMATION
Wall Industries, Inc. has created custom and modified units for over 50 years. Our in-house research and development engineers will
provide a solution that exceeds your performance requirements on-time and on budget. Our ISO9001-2008 certification is just one
example of our commitment to producing a high quality, well-documented product for our customers.
Our past projects demonstrate our commitment to you, our customer. Wall Industries, Inc. has a reputation for working closely with its
customers to ensure each solution meets or exceeds form, fit and function requirements. We will continue to provide ongoing support for
your project above and beyond the design and production phases. Give us a call today to discuss your future projects.
Contact Wall Industries for further information:
Phone:
Toll Free:
Fax:
E-mail:
Web:
Address:
06/01/2016
(603)778-2300
(888)597-9255
(603)778-9797
[email protected]
www.wallindustries.com
37 Industrial Drive.
Exeter, NH 03833
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 5 of 5