XP Power JTF1248S12 Dc-dc power supply Datasheet

DC-DC
12 Watts
xppower.com
JTF Series
•
High Power Density
•
Wide 4:1 Input Range
•
Operating Temperature -40 ºC to +100 ºC
•
Single & Dual Outputs
•
Standard Remote On/Off
•
1600 VDC Isolation
•
High Efficiency - up to 90%
Specification
Input
General
Input Voltage Range
• 24 V (9-36 VDC)
48 V (18-75 VDC)
Input Current
• See table
Input Filter
• Pi network
Input Reflected Ripple • 20 mA pk-pk through 12 µH inductor,
5 Hz to 20 MHz
Input Surge
• 24 V models: 50 VDC for 1000 ms
• 48 V models: 100 VDC for 1000 ms
Isolation Capacitance
Switching Frequency
MTBF
• See tables
• 1600 VDC Input to Output
1600 VDC Input to Case
1600 VDC Output to Case
• 1500 pF max
• 270 kHz typical
• >1 MHrs to MIL-STD-217F
Environmental
Output
Output Voltage
Output Voltage Balance
Minimum Load
Intial Set Accuracy
Start Up Delay
Start Up Rise Time
Line Regulation
Load Regulation
Cross Regulation
Transient Response
•
•
•
•
•
•
•
•
•
•
Ripple & Noise
•
Overload Protection
•
Overvoltage Protection •
Short Circuit Protection
Maximum Capacitive
Load
Temperature
Coefficient
Remote On/Off
Efficiency
Isolation
•
•
See table
±1% max, dual output models
No minimum load required
±1.2% max
<20 ms
<10 ms
±0.2% 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
85 mV pk-pk, 20 MHz BW, with 1µF
ceramic capacitor, see note 3
>170%
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
±12 V models: ±15 V typical
±15 V models: ±18 V typical
Trip & restart (hiccup) with auto recovery
See tables
• ±0.02/°C max
• On = 3-12 V or open circuit
Off <1.2 VDC or short circuit pins 1, 2 & 3
Operating Temperature • -40 ºC to +105 ºC, derate from 100% load
at +60 °C to no load at +105 °C
Case Temperature
• +105 ºC max
Storage Temperature
• -40 ºC to +125 ºC
Humidity
• Up to 90%, non-condensing
Cooling
• Natural convection
EMC
Emissions
ESD Immunity
Radiated Immunity
EFT/Burst
Surge
Conducted Immunity
Magnetic Field
*See note 4.
• EN55022 Class A conducted with external
components - see application note
• EN61000-4-2,
4 kV contact discharge Perf Criteria B
• EN61000-4-3, 3 V/m Perf Criteria A
• EN61000-4-4, Level 3 Perf Criteria B*
• EN61000-4-5, Level 2 Perf Criteria B*
• EN61000-4-6, 3 Vrms Perf Criteria A
• EN61000-4-8, 1 A/m Perf Criteria A
Input
Voltage
Output
Voltage
3.3
5.1
12.0
15.0
±5.0
±12.0
±15.0
3.3
5.1
12.0
15.0
±5.0
±12.0
±15.0
9-36 V
18-75 V
Input Current(1)
No Load
Full Load
Output
Current
V
V
V
V
V
V
V
V
V
V
V
V
V
V
3.5
2.4
1.0
0.8
±1.2
±0.5
±0.4
3.5
2.4
1.0
0.8
±1.2
±0.5
±0.4
A
A
A
A
A
A
A
A
A
A
A
A
A
A
15
15
15
15
15
15
15
15
15
15
15
15
12
15
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
573
581
574
574
595
574
574
286
290
287
287
297
287
287
Maximum
Capacitive Load
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
2000
2000
430
300
±1250
±200
±120
2000
2000
430
300
±1250
±200
±120
Model
Number
Efficiency
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
µF
87%
89%
90%
90%
87%
90%
90%
87%
89%
90%
90%
87%
90%
90%
JTF1224S3V3
JTF1224S05
JTF1224S12
JTF1224S15
JTF1224D05
JTF1224D12
JTF1224D15
JTF1248S3V3
JTF1248S05
JTF1248S12
JTF1248S15
JTF1248D05
JTF1248D12
JTF1248D15
Notes
1.
2.
3.
4.
Input current measured at nominal 24 V and 48 V input.
When one output is set to 100% load, and the other varies between 25% and 100% load.
Measured with 1 µF ceramic capacitor across output rails.
External input capacitor required, Nippon Chemi-Con KY series, 330 µF/ 100 V or equivalent.
Mechanical Details
All dimensions are in inches (mm)
Weight: 0.04 lbs (20 g) approx.
Pin Connections
24 Pin DIL Package - Nickel Coated Copper
1.25
(31.75)
0.90
(22.86)
0.08
(2.00)
1 2
0.80
(20.32)
3
DIA
0.02
(0.50)
9
11
0.60
(15.24)
Bottom View
23
22
16
14
Pin
Single
Dual
1
Remote On/Off
Remote On/Off
2
-Vin
-Vin
3
-Vin
-Vin
9
No Pin
Common
11
Not Connected
-Vout
14
+Vout
+Vout
16
-Vout
Common
22
+Vin
+Vin
23
+Vin
+Vin
0.10
(2.54)
0.40 (10.40)
Notes:
1. Pin diameter: 0.02 ±0.002 (0.5 ±0.05)
2. Pin pitch tolerance: ±0.014 (±0.35)
3. Case Tolerance: ±0.02 (±0.5)
0.12 (3.05) Min.
Application Notes
Derating Curve
Input Filter
100
+Vin
Load (%)
80
+Vout
L
60
C1
DC/DC
Converter
C2
LOAD
40
20
0
-40 -20
-Vin
0
10
20 30 40 50 60
Ambient Temperature (ºC)
70
Remote On/Off
80
90
-Vout
100
Model
C1
L
C2
24 V
2.2 µF, 100 V
12 µH
2.2 µF, 100 V
48 V
2.2 µF, 100 V
12 µH
2.2 µF, 100 V
Standard ROF logic is positive
Output On >3.0 VDC or open circuit
Output Off <1.2 VDC or short circuit pins 1, 2 & 3
27-Nov-08
DC-DC
JTF Series
Models and Ratings
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