JTK Series, 15 & 20 W Datasheet by XP Power

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DC-DC
Specification
15/20 Watts
Very High Power Density
Wide 4:1 Input Range
Operating Temperature -40 °C to +100 °C
Single & Dual Outputs
1600 VDC Isolation
UL Approved
High Efficiency - up to 89%
3 Year Warranty
JTK Series
Input
Input Voltage Range 24 V (9-36 VDC)
48 V (18-75 VDC)
Input Current See table
Input Filter Pi network
Input Reflected JTK15: 20 mA pk-pk
Ripple Current JTK20: 30 mA pk-pk through 12 µH
inductor and 47 µF capacitor,
5 Hz to 20 MHz
Input Surge 24 V models: 50 VDC for 100 ms
48 V models: 100 VDC for 100 ms
Output
Output Voltage See table
Output Trim ±10% max on single output
Minimum Load No minimum load required
Initial Set Accuracy ±1% max
Start Up Delay 20 ms typical
Line Regulation JTK15: ±0.2% max single, ±0.5% max dual
JTK20: ±0.5% max
Load Regulation ±0.5% max single, ±1.0% max dual
Cross Regulation ±5% on dual output models, (see note 2)
Transient Response <3% max deviation, recovery to within 1%
in 250 µs for a 25% load change
Ripple & Noise 100 mV pk-pk, 20 MHz bandwidth,
(see note 3)
Overload Protection JTK15: 170% of full load typical,
JTK20: 150% of full load typical
Overvoltage Protection 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
Short Circuit Protection Trip & restart (hiccup) with auto recovery
Maximum Capacitive See table
Load
Temperature ±0.02%/°C max
Coefficient
Remote On/Off On >3.0 VDC or open circuit
Off <1.2 VDC or short circuit pins 2 & 3
xppower.com
General
Efficiency See table
Isolation 1600 VDC Input to Output
1600 VDC Input to Case
1600 VDC Output to Case
Isolation Capacitance JTK15: 1200 pF max
JTK20: 1000 pF max
Switching Frequency JTK15: 375 kHz typical
JTK20: 330 kHz typical
Power Density JTK15: 38.4 W/in3,
JTK20: 51.3 W/in3
MTBF >560 KHrs to MIL-STD-217F at 25 °C, GB
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
ESD Immunity EN61000-4-2, Level 2 Perf Criteria A
Radiated Immunity EN61000-4-3, 3 V/m Perf Criteria A
EFT/Burst EN61000-4-4, Level 3 Perf Criteria A*
Conducted Immunity EN61000-4-6, 3 V rms Perf Criteria A
Magnetic Fields EN61000-4-8, 1 A/m Perf Criteria A
Safety
Safety Approvals UL60950-1, CAN/CSA C22.2 No.60950-1,
UL62368-1
*External input capacitor required 220 µF / 100 V.
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12 Dec 17
DC-DC
JTK15/20
Application Notes
Mechanical Details
Models and Ratings
Notes
1. All dimensions are in inches (mm)
2. Weight: 0.04 lbs (20 g) approx.
3. Pin diameter: 0.04 ±0.002 (1.0 ±0.05)
4. Pin pitch tolerance: ±0.014 (±0.35)
5. Case tolerance: ±0.02 (±0.5)
Output can be externally trimmed by using this method.
(Single output models only). For variable trimming, use 100 kΩpotentiometer.
Contact sales for details.
1.00 (25.4)
T Bottom View
0.10
(2.54)
0.10
(2.54)
0.40
(10.16)
0.20
(5.08)
1.00
(25.40)
3. Case tolerance: ±0.02 (±0.5)
3
0.40
(10.16)
0.80
(20.32)
0.10
(2.54)
0.40
(10.16)
0.30
(7.62)
4 5 6
123
0.39
(9.90)
DIA
0.04
(1.00)
0.22
(5.60)
Print
Face
Pin Connections
Pin Single Dual
1 +Vin +Vin
2 -Vin -Vin
3 Remote On/Off Remote On/Off
4 +Vout +Vout
5 Trim Com
6 -Vout -Vout
Input Voltage Output Voltage Output Current Input Current(1) Maximum
Capacitive Load Efficiency Model Number
No Load Full Load
9-36 V
3.3 V 4.000 A 15 mA 647 mA 1000 µF 86% JTK1524S3V3
5.0 V 3.000 A 15 mA 727 mA 1000 µF 87% JTK1524S05
12.0 V 1.300 A 15 mA 747 mA 330 µF 88% JTK1524S12
15.0 V 1.000 A 15 mA 710 mA 220 µF 89% JTK1524S15
±5.0 V ±1.500 A 15 mA 744 mA ±470 µF 85% JTK1524D05
±12.0 V ±0.625 A 15 mA 720 mA ±220 µF 88% JTK1524D12
±15.0 V ±0.500 A 15 mA 710 mA ±100 µF 89% JTK1524D15
18-75 V
3.3 V 4.000 A 10 mA 331 mA 1000 µF 84% JTK1548S3V3
5.0 V 3.000 A 10 mA 368 mA 1000 µF 86% JTK1548S05
12.0 V 1.300 A 10 mA 378 mA 330 µF 87% JTK1548S12
15.0 V 1.000 A 10 mA 360 mA 220 µF 88% JTK1548S15
±5.0 V ±1.500 A 10 mA 377 mA ±470 µF 84% JTK1548D05
±12.0 V ±0.625 A 10 mA 363 mA ±220 µF 87% JTK1548D12
±15.0 V ±0.500 A 10 mA 360 mA ±100 µF 88% JTK1548D15
9-36 V
3.3 V 4.500 A 50 mA 720 mA 10000 µF 86% JTK2024S3V3
5.0 V 4.000 A 50 mA 936 mA 5000 µF 89% JTK2024S05
12.0 V 1.670 A 22 mA 936 mA 850 µF 89% JTK2024S12
15.0 V 1.330 A 22 mA 936 mA 700 µF 89% JTK2024S15
±12.0 V ±0.833 A 25 mA 936 mA ±470 µF 89% JTK2024D12
±15.0 V ±0.667 A 25 mA 936 mA ±330 µF 89% JTK2024D15
18-75 V
3.3 V 4.500 A 30 mA 309 mA 10000 µF 86% JTK2048S3V3
5.0 V 4.000 A 30 mA 468 mA 5000 µF 89% JTK2048S05
12.0 V 1.670 A 15 mA 468 mA 850 µF 89% JTK2048S12
15.0 V 1.330 A 15 mA 468 mA 700 µF 90% JTK2048S15
±12.0 V ±0.833 A 15 mA 468 mA ±470 µF 89% JTK2048D12
±15.0 V ±0.667 A 15 mA 468 mA ±330 µF 89% JTK2048D15
Output Trim
5
RTrim-up
6
4
5
RTrim-down
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.
12 µH
220 µF
+
-
2.2 µF
+Vin
+Vout
DC/DC
Converter
-Vout
Load
-Vin
Notes
Input Filter
Trim Resistor Values
Model Number Trim up
10%
Trim down
10%
JTK - S3V3 8 k 12 k
JTK - S05 10 k 5 k
JTK - S12 20 k 7 k
JTK - S15 20 k 6 k
Approximate values.

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