Document
DC-DC
15 Watts JTH Series
xppower.com
• 4:1 Input Range • 1500 VDC Isolation • Efficiency up to 86% • -40 °C to +100 °C Operating Temperature • UL Approved • Optional Remote On/Off • Single & Dual Outputs • 3 Year Warranty
Specification
Input
Input Voltage Range
Input Current Input Filter Input Reflected Ripple Current Input Surge
Undervoltage Lockout
• 24 V (9-36 VDC) 48 V (18-72 VDC)
• See table • Pi network • 35 mA rms through 12 µH inductor
• 24 V models 40 VDC for 100 ms 48 V models 80 VDC for 100 ms
• 24 V models ON 8.6 V, OFF 8 VDC typical 48 V models ON 16.0 V, OFF 14 V typical
Output
Output Voltage
• See table
Minimum Load
• No minimum load required
Line Regulation
• ±0.5%
Load Regulation
• ±0.5% 10-100% load, ±1.0% 10% load
Cross Regulation
• ±5% on dual output models (see note 3)
Setpoint Accuracy
• ±1%
Start Up Delay
• <10 ms
Start Up Rise Time
• <20 ms
Ripple & Noise
• 75 mV pk-pk 20 MHz bandwidth
Transient Response
• 3% max deviation, recovery to within 1% in 200 µs for 25% load change
Temperature Coefficient
• 0.02%/°C
Overvoltage Protection • None
Overcurrent Protection • 140% typical of full load at nominal input
Short Circuit Protection • Trip & restart (hiccup mode), auto recovery
Remote On/Off
• Optional (see application note)
Maximum Capacitive • See table Load
General
Efficiency Isolation
Isolation Resistance Isolation Capacitance Switching Frequency Power Density MTBF
• See table • 1500 VDC Input to Output
1000 VDC Input to Case 1000 VDC Output to Case
• 109Ω • 1200 pF typical • 300 kHz typical • 18.75 W/in3 • >1.21 MHrs to MIL-HDBK-217F
at 25 °C, GB
Environmental
Operating Temperature • -40 °C to +100 °C, derate from 100% load at +60 °C to 0% load at +100 °C
Case Temperature
• 100 °C max
Cooling
• Convection-cooled
Operating Humidity • Up to 95% RH, non-condensing
Storage Temperature • -40 °C to +125 °C
EMC
Emissions
ESD Immunity
EFT/Burst Surge Conducted Immunity Magnetic Field
• EN55022 class A conducted & radiated with external components, see application note
• EN61000-4-2, 8 kV air discharge Perf Criteria A, 4 kV contact discharge Perf Criteria A
• EN61000-4-4, level 1 Perf Criteria A* • EN61000-4-5, installation class 1,
Perf Criteria A* • EN61000-4-6, 3 Vrms Perf Criteria A • 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
DC-DC
Models and Ratings
Input Voltage Range
9-36 VDC
18-72 VDC
Output Voltage Output Current
3.3 V 5.0 V 12.0 V 15.0 V ±5.0 V ±12.0 V ±15.0 V
3.3 V 5.0 V 12.0 V 15.0 V ±5.0 V ±12.0 V ±15.0 V
3000 mA 3000 mA 1250 mA 1000 mA ±1500 mA ±625 mA ±500 mA
3000 mA 3000 mA 1250 mA 1000 mA ±1500 mA ±625 mA ±500 mA
Notes 1. Measured at nominal input voltage. 2. For optional Remote On/Off. add suffix ‘-R’ to model number.
Input Current(1)
No Load
Full Load
25 mA
515 mA
25 mA
753 mA
25 mA
735 mA
25 mA
726 mA
25 mA
753 mA
25 mA
735 mA
25 mA
726 mA
20 mA
257 mA
20 mA
376 mA
20 mA
367 mA
20 mA
363 mA
20 mA
376 mA
20 mA
367 mA
20 mA
363 mA
JTH15
Efficiency
80% 83% 85% 86% 83% 85% 86% 80% 83% 85% 86% 83% 85% 86%
Max. Capacitive Load
3300 µF 3300 µF
680 µF 470 µF ±2200 µF ±470 µF ±330 µF
3300 µF 3300 µF
680 µF 470 µF ±2200 µF ±470 µF ±330 µF
Model Number(2)
JTH1524S3V3 JTH1524S05 JTH1524S12 JTH1524S15 JTH1524D05 JTH1524D12 JTH1524D15 JTH1548S3V3 JTH1548S05 JTH1548S12 JTH1548S15 JTH1548D05 JTH1548D12 JTH1548D15
3. Cross regulations is ±5% when one output is at 100% and the other is varied between 25% and 100%.
Mechanical Details
1.00 (25.4) 2.00 (50.8)
Application Notes
0.10 (2.5)
0.40 0.40 (10.1) (10.1)
0.10 (2.5)
0.60 (15.2)
345
0.80 (20.3)
Bottom View
12
6
0.60 (15.2)
0.40 (10.1)
0.20 (5.0)
0.40 (10.1)
0.40 (10.1) ø 0.04 (1.0)
0.20 (5.0) Min
PIN CONNECTIONS
Pin Single
Dual
1 +Vin
+Vin
2 -Vin
-Vin
3 +Vout
+Vout
4
No pin
Common
5 -Vout
-Vout
6* ROF*
ROF*
* Pin 6 only present with optional Remote On/Off
Notes 1. All dimensions are in inches (mm). 2. Weight: 0.07 lbs (30 g) 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)
Derating Curve
Output Power (%)
100 75 50 25
-40 -20
0 20 40 60 80 100 120 Ambient Temperature (°C)
Optional Remote On/Off On = +2.5 to +5.5 VDC on pin 6 WRT pin 2 or open circuit Off = -0.7 to +0.8 VDC on pin 6 WRT pin 2 or short circuit pin 2 & 6 Input current is typically 2.5 mA when output is remotely switched off.
Input Filter
+ 47 µF
-
12 µF 33 µF
+Vout
+Vin
DC/DC Converter -Vin
-Vout
Load
27 Nov 17
.