0RX3-D2T12X [BEL]
ISOLATED DC/DC CONVERTERS; 隔离式DC / DC转换器
| 型号： | 0RX3-D2T12X |
| 厂家： | 
BEL FUSE INC. |
| 描述： | ISOLATED DC/DC CONVERTERS |
| 文件： | 总6页 (文件大小：203K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ISOLATED DC/DC CONVERTERS
48 Vdc Input
12 Vdc/18 A Output
0RX3-D2T12x
RoHS Compliant
Rev.C
Isolated
Output Over-voltage Protection
OCP/SCP
High Efficiency
High Power Density
Low Cost
Over Temperature Protection
Remote On/Off
Fixed Frequency (300 kHz)
Input Under-voltage Lockout
Input Over-voltage Lockout
Basic Insulation
Baseplate
Description
The 0RX3-D2T12x is an isolated dc/dc converter that operates from a nominal 48 Vdc source. This unit will
provide up to 216 W of output power from a nominal 48 Vdc input. This unit is designed to be highly efficient and
low cost. Features include remote on/off, over current protection and over-voltage protection. The converter is
provided in an industry standard quarter brick package.
Part Selection
Output
Input
Max. Output
Current
Max. Output
Power
Typical
Efficiency
Model Number
Active High
Model Number
Active Low
Voltage
Voltage
12 V
36 V - 75 V
18 A
216 W
95%
0RX3-D2T120
0RX3-D2T12L
Notes: 1. Add “G” suffix at the end of the model number to indicate Tray Packaging.
2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.
Absolute Maximum Ratings
Parameter
Min
Typ
Max
Notes
Input Voltage (continuous)
-0.3 V
-
80 V
Input voltage Transient Protection
Remote On/Off
-
-
-
-
-
-
100 V
18 V
Operating for 100mS
-0.3 V
-
I/O Isolation Voltage
1500 V
85 C
125 C
Ambient Temperature
Storage Temperature
-40 C
-55 C
Input Specifications
Parameter
Input Voltage
Min
36 V
Typ
48 V
-
Max
75 V
7.0 A
Notes
Input Current (full load)
-
-
-
Input Current (no load)
80 mA
10 mA
150 mA
20 mA
Remote Off Input Current
Tested with simulated source impedance
of 10 uH, 5 Hz to 20 MHz; use a 100 uF
/100 V electrolytic capacitor with ESR = 1
ohm max. at 200 kHz at 25 C.
Input Reflected Ripple Current (pk-pk)
-
-
20 mA
5 mA
30 mA
Input Reflected Ripple Current (rms)
10 mA
I2t Inrush Current Transient
Turn-on Voltage Threshold
Turn-off Voltage Threshold
-
-
-
1 A2s
35.5 V
-
34.5 V
33.5 V
32.5 V
Notes: 1. Should place at least 100uF/100V electrolytic capacitor directly adjacent to the input pin of the module.
2. All specifications are typical at nominal input, full load at 25 C unless noted.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
ISOLATED DC/DC CONVERTERS
48 Vdc Input
12 Vdc/18 A Output
Output Specifications
Parameter
Min
Typ
Max
Notes
Output Voltage Set Point
Line Regulation
-
12 V
-
Vin=48 V, Io=50% full load
-
-
±50 mV
±100 mV
±500 mV
Load Regulation
±300 mV
Regulation Over Temperature
(-40 C to +85 C)
-
±150 mV
±250 mV
Output Current
0 A
-
-
18 A
-
Current Limit Threshold
20 A
Short Circuit Surge Transient
Ripple and Noise (rms)
-
-
-
-
5 A2s
50 mV
120 mV
0-20 MHz BW, with a 1 uF ceramic
capacitor and a 10 uF Tantalum
capacitor at the output.
25 mV
70 mV
Ripple and Noise (pk-pk)
-
30 mS
10 mS
0%
-
Ton(Enable form Vin)
Turn on Time
-
-
-
Ton(Enable form ON/OFF)
Overshoot at Turn on
Output Capacitance
3%
0 uF
-
10000 uF
Transient Response
Overshoot
-
-
-
-
300 mV
500 uS
300 mV
500 uS
-
-
-
-
50% ~ 75%
Max Load
Test conditions: di/dt = 0.1 A/uS,
Vin=48 V, with a 1 uF ceramic capacitor
and a 10 uF Tantalum capacitor at the
output.
Settling Time
Overshoot
75% ~ 50%
Max Load
Settling Time
Note: All specifications are typical at nominal input, full load at 25 C unless noted.
General Specifications
Parameter
Min
Typ
95%
Max
Notes
Efficiency
-
-
-
-
Vin=48 V, full load , Ta=25 C
Switching Frequency
300 kHz
Isolation capacitance
-
2200 pF
-
Input to Output Isolation Voltage
Isolation Resistance
-
-
1500 V
10M ohm
-
-
Over Temperature Protection
Over Voltage Protection
-
-
125 C
14.5 V
130 C
-
Temperature Limits for Power Derating Curves
Semiconductor Junction Temperature
Board Temperature
-
-
-
-
-
-
Package rated to 150°C
120 C
125 C
125 C
UL rated max operating temp 130°C
Transformer Temperature
Calculated Per Bell Core SR-332
(Vin=48 V, Vo=12 V, IO = 14.4 A,
300LFM forced air flow; Ta = 25 C)
MTBF
1,791,138 hours
Dimensions
Inches
millimeters
2.28 x 1.45 x 0.50
57.91 x 36.83 x 12.70
70 g -
Weight
-
Note: All specifications are typical at nominal input, full load at 25 C unless noted.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
ISOLATED DC/DC CONVERTERS
48 Vdc Input
12 Vdc/18 A Output
Control Specifications
Parameter
Min
Typ
Max
Notes
Remote On/Off
Signal Low (Unit On)
-0.3 V
2.4 V
-0.3 V
2.4 V
0 mA
-
-
-
-
-
0.8 V
18 V
When Remote On/Off pin is
open, for active low option, unit
is off; for active high option, unit
is on.
Active Low
Signal High (Unit Off)
Signal Low (Unit Off)
Signal High (Unit On)
Current Sink
0.8 V
Active High
18 V
0.75 mA
Efficiency Data
100.00%
95.00%
90.00%
85.00%
80.00%
75.00%
36 V
48 V
75V
1.80
4.50
9.00
13.50
18.00
OUTPUT CURRENT(A)
Thermal Derating Curve
Output current derating versus ambient temperature and airflow @Vin=48V
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
ISOLATED DC/DC CONVERTERS
48 Vdc Input
12 Vdc/18 A Output
Ripple and Noise Waveform
48 Vdc input, 12 Vdc/18 A output
Note: Ripple and noise at full load, with a 1uF ceramic cap and a 10 uF Tantalum cap at output, Ta=25°C.
Transient Response Waveforms
Vout=12 Vdc, 50% to 75% Load Transients
Vout=12 Vdc, 75% to 50% Load Transients
Note: Transient response at di/dt=0.1 A/us, Vin=48 Vdc, Ta=25°C, with a 1µF ceramic capacitor and a 10µF
tantalum cap at output.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
ISOLATED DC/DC CONVERTERS
48 Vdc Input
12 Vdc/18 A Output
Start-Up Time
Start up time with remote on/off
Start up time with Vin
Note: Test at 48Vdc input, 12Vdc/18A output, Ta=25 deg C, and with a 1uF ceramic cap and a 10000 uF AL cap
at output.
Over Current Protection
In hiccup mode @48Vdc input Ta=25 deg C
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
ISOLATED DC/DC CONVERTERS
48 Vdc Input
12 Vdc/18 A Output
Mechanical Outline
Pin Connections
Pin
Function
Vin (+)
N/A
Pin Size
0.04"
-
1
2
3
4
ON/OFF
N/A
0.04"
-
5
6
7
Vin (-)
Vout (-)
Vout (+)
0.04"
0.06"
0.06"
RoHS Compliance
Complies with the European Directive 2002/95/EC, calling for the elimination of lead and
other hazardous substances from electronic products.
2009 Bel Fuse Inc. Specifications subject to change without notice. 052709
CORPORATE
FAR EAST
EUROPE
Bel Fuse Inc.
Bel Fuse Ltd.
Bel Fuse Europe Ltd.
206 Van Vorst Street
Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
8F/ 8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel 852-2328-5515
Fax 852-2352-3706
www.belfuse.com
Preston Technology Management Centre
Marsh Lane, Suite G7, Preston
Lancashire, PR1 8UD, U.K.
Tel 44-1772-556601
Fax 44-1772-888366
www.belfuse.com
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