DC-DC
5 Watts
JTB05 Series
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4:1 Input Range
DIP-24 Metal Package
xppower.com
Operating Temperature -25 °C to +100 °C
Input Pi Filter
Fully Regulated Single & Dual Outputs
1500 VDC Isolation
Continuous Short Circuit Protection
Specification
Input
Input Voltage Range
• 24 V (9-36 VDC)
48 V (18-72 VDC)
Input Current (no load)
• See table
Input Filter
• Pi network
General
Efficiency
Isolation
Switching Frequency
MTBF
• See table
• 1500 VDC Input to Output
(1000 MΩ/80 pF)
• Variable 200-320 kHz
• 1,000 kHrs to MIL-HDBK-217F
Output
Output Voltage
Output Voltage Balance
Initial Set Accuracy
Start Up Rise Time
Line Regulation
Load Regulation
Cross Regulation
Transient Response
Ripple & Noise
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See tables
±1% max, dual output models
±2% max
3 ms max
±0.5% max from high line to low line
±0.5% max single output models,
±1.0% max dual output models
±2.2% on dual output models
<1.0% max deviation, recovery to within
1% in 200 µs for a 50% load change
100 mV or 1.0% pk-pk, whichever is
greater, 20 MHz BW
>130% constant power
Continuous with auto recovery
±0.05/°C max
Environmental
Operating Temperature
Case Temperature
Storage Temperature
Shock
Vibration
-25 °C to +100 °C (see derating curve)
+100 °C max
-40 °C to +100 °C
30 g, half sine wave 18 ms pulse applied
3 times on each of 6 axes
• 5-500 Hz, 3 g, for 10 mins on each
of 3 axes
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EMC
Emissions
• EN55022, level A conducted & radiated
with external components - see
application note
• EN61000-4-2, level 2 Perf Criteria A
• EN61000-4-3, 3 V/m Perf Criteria A
• EN61000-4-6, 3 V rms Perf Criteria A
Overcurrent Protection
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Short Circuit Protection
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Temperature
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Coefficient
ESD Immunity
Radiated Immunity
Conducted Immunity
DC-DC
Models and Ratings
Input
Voltage
(1)
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
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
Output
Current
1000
1000
470
400
±500
±230
±190
1000
1000
470
400
±500
±230
±190
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
Input Current
(2)
No Load
15.0
15.0
15.0
15.0
25.0
25.0
25.0
7.5
7.5
7.5
12.0
12.0
12.0
12.0
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
Full Load
191
267
294
313
267
288
297
100
134
149
157
135
146
149
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
JTB05 Series
Efficiency
72%
78%
80%
80%
78%
80%
80%
70%
78%
79%
80%
77%
79%
80%
Model
Number
(3)
JTB0524S3V3
JTB0524S05
JTB0524S12
JTB0524S15
JTB0524D05
JTB0524D12
JTB0524D15
JTB0548S3V3
JTB0548S05
JTB0548S12
JTB0548S15
JTB0548D05
JTB0548D12
JTB0548D15
9-36 VDC
18-72 VDC
Notes
1. Nominal input voltage 24 or 48 VDC.
2. Input current is at nominal input voltage.
3. Surface mount versions with plastic case available in OEM quantities.
Mechanical Details
All dimensions are in inches (mm)
Weight:
0.04 lbs (20 g) approx.
PIN CONNECTIONS
Single Output Dual Output
No pin
No pin
-V input
-V input
-V input
-V input
N/C
Common
N/C
N/C
N/C
-V output
No pin
No pin
No pin
No pin
+V output
+V output
N/C
N/C
-V output
Common
+V input
+V input
+V input
+V input
No pin
No pin
0.08 (2.0)
0.02
(0.5)
24
23
22
1.25
(31.8)
0.10
(2.5)
16
15
14
13
0.60 (15.2)
1
2
3
BOTTOM
VIEW
9
10
11
12
0.5
(10.2)
Max
0.15
(3.8)
0.80 (20.3)
Pin
1
2
3
9
10
11
12
13
14
15
16
22
23
24
Application Notes
Derating Curve
100
80
Input Filter
L
+Vin
C2
+Vo
C1
L
+Vin
C2
Load (%)
C1
60
40
20
0
-20 -10
0
20 30 40 50 60
Ambient Temperature (ºC)
70
80
90
100
-Vin
C3
-Vo
-Vin
10
Model
JTB0524
Class A
Class B
JTB0548
Class A
Class B
C1
Not fitted
100 µF/ 50 V
Not fitted
22 µF/ 100 V
C2
220 µF/ 50 V
100 µF/ 50 V
47 µF/ 100 V
22 µF/ 100 V
L
Short
8 µH
Short
5 µH
08-Jan-08
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