DC DC
15/20 Watts
JTK Series
•
•
•
•
•
•
•
Very High Power Density
Wide 4:1 Input Range
xppower.com
Operating Temperature 40 °C to +100 °C
Single & Dual Outputs
1600 VDC Isolation
High Efficiency
3 Year Warranty
up to 89%
Specification
Input
Input Voltage Range
Input Current
Input Filter
Input Reflected
Ripple Current
• 24 V (9-36 VDC)
48 V (18-75 VDC)
• See table
• Pi network
• JTK15: 20 mA pk-pk
JTK20: 30 mA pk-pk through 12 µH
inductor and 47 µF capacitor,
5 Hz to 20 MHz
• 24 V models: 50 VDC for 100 ms
• 48 V models: 100 VDC for 100 ms
General
Efficiency
Isolation
• See table
• 1600 VDC Input to Output
1600 VDC Input to Case
1600 VDC Output to Case
• JTK15: 1200 pF max
JTK20: 1000 pF max
• JTK15: 375 kHz typical
JTK20: 330 kHz typical
• JTK15: 38.4 W/in
3
,
JTK20: 51.3 W/in
3
• >560 KHrs to MIL-STD-217F at 25 °C, GB
Isolation Capacitance
Switching Frequency
Power Density
MTBF
Input Surge
Output
Output Voltage
Output Trim
Minimum Load
Initial Set Accuracy
Start Up Delay
Line Regulation
Load Regulation
Cross Regulation
Transient Response
Ripple & Noise
Overload Protection
•
•
•
•
•
•
•
•
•
•
•
See table
±10% max on single output
No minimum load required
±1% max
20 ms typical
JTK15: ±0.2% max, JTK20: ±0.5% max
±0.5% max single, ±1.0% max dual
±5% on dual output models, (see note 2)
<3% max deviation, recovery to within 1%
in 250 µs for a 25% load change
100 mV pk-pk, 20 MHz bandwidth,
(see note 3)
JTK15: 170% of full load typical,
JTK20: 150% of full load typical
3.3 V models: 3.9 V typical
5 V models: 6.2 V typical
12 V models: 15 V typical
15 V models: 18 V typical
±5 V models: ±6.2 V typical
±12 V models: ±15 V typical
±15 V models: ±18 V typical
Trip & restart (hiccup) with auto recovery
See table
Environmental
Operating Temperature
• -40 °C to +100 °C, JTK15: derate
from 100% load at +65 °C to no load at
+100 °C, JTK20: derate from 100% load at
+55 °C to no load at +100 °C
Case Temperature
• +105 °C max
Storage Temperature
• -40 °C to +125 °C
Humidity
• Up to 90%, non-condensing
Cooling
• Natural convection
EMC
Emissions
• EN55022, Level A conducted & radiated
with external components -
see applications note
• EN61000-4-2, Level 2 Perf Criteria A
• EN61000-4-3, 3 V/m Perf Criteria A
• EN61000-4-4, Level 3 Perf Criteria A*
• EN61000-4-6, 3 V rms Perf Criteria A
• EN61000-4-8, 1 A/m Perf Criteria A
Overvoltage Protection
•
ESD Immunity
Radiated Immunity
EFT/Burst
Conducted Immunity
Magnetic Fields
Short Circuit Protection
Maximum Capacitive
Load
Temperature
Coefficient
Remote On/Off
•
•
*External input capacitor required 220 µF / 100 V.
• ±0.02/°C max
• On >3.0 VDC or open circuit
Off <1.2 VDC or short circuit pins 2 & 3
Models and Ratings
Input Voltage
Output Voltage
3.3
5.0
12.0
15.0
±5.0
±12.0
±15.0
3.3
5.0
12.0
15.0
±5.0
±12.0
±15.0
3.3
5.0
12.0
15.0
±12.0
±15.0
3.3
5.0
12.0
15.0
±12.0
±15.0
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
JTK15/20
Output Current
4.000
3.000
1.300
1.000
±1.500
±0.625
±0.500
4.000
3.000
1.300
1.000
±1.500
±0.625
±0.500
4.500
4.000
1.670
1.330
±0.833
±0.667
4.500
4.000
1.670
1.330
±0.833
±0.667
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
DC DC
Input Current
(1)
No Load
Full Load
15
15
15
15
15
15
15
10
10
10
10
10
10
10
50
50
22
22
25
25
30
30
15
15
15
15
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
647
727
747
710
744
720
710
331
368
378
360
377
363
360
720
936
936
936
936
936
309
468
468
468
468
468
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
Maximum
Capacitive Load
1000
1000
330
220
±470
±220
±100
1000
1000
330
220
±470
±220
±100
10000
5000
850
700
±470
±330
10000
5000
850
700
±470
±330
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
Efficiency
86%
87%
88%
89%
85%
88%
89%
84%
86%
87%
88%
84%
87%
88%
86%
89%
89%
89%
89%
89%
86%
89%
89%
90%
89%
89%
Model Number
JTK1524S3V3
JTK1524S05
JTK1524S12
JTK1524S15
JTK1524D05
JTK1524D12
JTK1524D15
JTK1548S3V3
JTK1548S05
JTK1548S12
JTK1548S15
JTK1548D05
JTK1548D12
JTK1548D15
JTK2024S3V3
JTK2024S05
JTK2024S12
JTK2024S15
JTK2024D12
JTK2024D15
JTK2048S3V3
JTK2048S05
JTK2048S12
JTK2048S15
JTK2048D12
JTK2048D15
9-36 V
18-75 V
9-36 V
18-75 V
Notes
1. Input current measured at nominal 24 V and 48 V input.
2. When one output is set to 100% load, and the other varies between 25% and 100% load.
3. Measured with 1 µF ceramic capacitor and 10 µF tantalum capacitor across output rails.
Mechanical Details
0.10
(2.54)
1.00 (25.4)
0.40
0.40
(10.16)
(10.16)
4
1.00 0.80
(25.40) (20.32)
5
6
0.10
(2.54)
DIA
0.04
(1.00)
0.39
(9.90)
Pin Connections
Single
Dual
+Vin
+Vin
-Vin
-Vin
Remote On/Off
Remote On/Off
+Vout
+Vout
Trim
Com
-Vout
-Vout
Bottom View
1.
2.
3.
4.
5.
Pin
1
2
3
4
5
6
Notes
1
2
3
0.22
(5.60)
Print
Face
All dimensions are in inches (mm)
Weight: 0.04 lbs (20 g) approx.
Pin diameter: 0.04 ±0.002 (1.0 ±0.05)
Pin pitch tolerance: ±0.014 (±0.35)
Case tolerance: ±0.02 (±0.5)
0.40
0.10
(2.54) (10.16)
0.20 0.30
(5.08) (7.62)
Application Notes
Output Trim
Input Filter
RTrim-down
4
RTrim-up
5
Trim Resistor Values
Model Number
JTK
JTK
JTK
JTK
-
-
-
-
S3V3
S05
S12
S15
Trim up
10%
8k
10 k
20 k
20 k
Trim down
10%
12
5
7
6
k
k
k
k
+
220 µF
-
+Vin
2.2 µF
-Vin
+Vout
12 µH
DC/DC
Converter
Load
6
5
Approximate values.
-Vout
Output can be externally trimmed by using this method.
(Single output models only). For variable trimming, use 100 kΩ potentiometer.
Contact sales for details.
21-Jan-11