0RCY-50U03L [BEL]
DC-DC Regulated Power Supply Module;
| 型号： | 0RCY-50U03L |
| 厂家： | 
BEL FUSE INC. |
| 描述： | DC-DC Regulated Power Supply Module |
| 文件： | 总8页 (文件大小：407K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ISOLATED DC/DC CONVERTERS
18 Vdc - 62.5 Vdc Input 3.3 Vdc /12.1 A Output
0RCY-50U03x
RoHS Compliant
Rev.E
•
•
•
•
•
•
•
Isolated
•
•
•
•
•
•
•
•
•
Output Over-Voltage Shutdown
OCP/SCP
High Efficiency
High Power Density
Over Temperature Protection
Low Cost
Fixed Frequency (330 kHz)
Input Under-Voltage Lockout
Input Over-Voltage Lockout
Ultra Wide Input Range:
18 Vdc - 62.5 Vdc
Output Voltage Trim
Positive/Negative Remote Sense
Basic Insulation
Remote On/Off
TUV Certified to EN 60950-1
•
UL60950-1 Recognized (UL/cUL)
Description
The 0RCY-50U03x is isolated dc/dc converter that operates from a wide input range (18 Vdc - 62.5 Vdc) and can
cover both 24 Vin and 48 Vin input range. This unit will provide up to 40 W of output power. The unit is designed
to be highly efficient and low cost. Features include remote on/off, over current protection, over voltage shut down,
over temperature protection and under-voltage lockout. This converter is provided in an industry standard 1/8
brick package.
Part Selection
Output
Input Voltage
Max. Output Max. Output
Typical
Efficiency
Model Number
Active High
Model Number
Active Low
Voltage
Current
Power
3.3 Vdc
18 Vdc - 62.5 Vdc
12.1 A
40 W
90.5%
0RCY-50U033
0RCY-50U03L
Notes: 1.Change the last character to “C” to indicate 0.35’’ length of pin standoff and active low.
2. Add “G” suffix at the end of the model number to indicate Tray Packaging.
3. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.
Absolute Maximum Ratings
Parameter
Input Voltage (continuous)
Remote On/Off
Min
-0.3 V
-0.3 V
-
Typ
Max
80 V
Notes
-
-
-
-
-
18 V
I/O Isolation Voltage
Ambient Temperature
Storage Temperature
1500 V
85 °C
125 °C
-40 °C
-55 °C
Input Specifications
Parameter
Min
Typ
Max
Notes
Input Voltage
18 V
24 V/48 V
62.5 V
Input Current (full load)
Vin=18 V
Vin=62.5 V
-
-
-
-
3.2 A
1.0 A
Input Current (no load)
-
-
100 mA
10 mA
160 mA
15 mA
Remote Off Input Current
Tested with simulated source impedance of 10
uH, 5 Hz to 20 MHz; use a 0.47uF/100 V
ceramic capacitor and a 100uF/100 V
electrolytic capacitor with ESR=1 ohm max, at
200KHz@25°C.
Input Reflected Ripple Current
(rms)
2 mA
5 mA
Input Reflected Ripple Current
(pk-pk)
-
10 mA
20 mA
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
18 Vdc - 62.5 Vdc Input 3.3 Vdc /12.1 A Output
Input Specifications (continued)
Parameter
Min
Typ
Max
Notes
I2t Inrush Current Transient
-
0.05 A2s
0.1 A2s
Turn-on Voltage Threshold
Turn-off Voltage Threshold
Input Over Voltage Lockout
16.0 V
15.5 V
75 V
16.5 V
16.0 V
76 V
17.0 V
16.5 V
77 V
Output Specifications
Parameter
Min
Typ
Max
Notes
Output Voltage Set Point
Load Regulation
3.25 V
3.30 V
±3 mV
±3 mV
3.35 V
±10 mV
±10 mV
Vin=48 V, Io=50% load
-
-
line Regulation
Regulation Over Temperature
(-40deg.C-85deg.C)
-
-
-
-
±30 mV
10 mV
30 mV
5 mV
±50 mV
15 mV
40 mV
10 mV
Ripple and Noise (rms)
Ripple and Noise (pk-pk)
Ripple and Noise (pk-pk)
0-20 MHz BW, with a 10 µF tantalum
cap and a 0.1µF ceramic cap at the
output.
0-20 MHz BW, with a 300 µF ceramic
capacitor at the output.
Output Current Range
Output DC Current Limit
Short Circuit Surge Transient
Turn on Time
0 A
-
18 A
3 A2s
-
12.1 A
-
5 A2s
50 mS
4%
-
Vin=48 V , in Latch mode
-
10 mS
-
Overshoot at Turn on
0%
-
Output Capacitance
0 uF
4800 uF
Transient Response
Overshoot
Settling Time
Overshoot
-
-
-
-
100 mV
400 uS
100 mV
400 uS
130 mV
100% ~ 50%
Max Load
di/dt=1 A/us, Vin=24 Vdc,
Ta=25 °C, with a 300 µF
ceramic capacitor at output.
1000 uS
130 mV
1000 uS
50% ~ 100%
Max Load
Settling Time
Note: All specifications are typical at 25 °C unless otherwise stated.
General Specifications
Parameter
Min
Typ
Max
Notes
Efficiency
Vin=24 V
Vin=48 V
89%
88%
90.5%
89.5%
-
-
Measured at normal Vin, full load.
Switching Frequency
Isolation capacitance
310 kHz
-
330 kHz
1500 pF
350 kHz
-
The total voltage increased by trim and
remote sense should not exceed
10%Vo.
Remote Sense Compensation
Output Voltage Trim Range
-
-
-
10%
90%
110%
Over Temperature Protection
Over Voltage Protection
-
-
-
-
125 °C
3.87 V
Vin=48 V, full load, in Latch mode.
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
18 Vdc - 62.5 Vdc Input 3.3 Vdc /12.1 A Output
General Specifications (continued)
Parameter
Min
Typ
Max
Notes
Calculated Per Bell Core SR-332 (Vin=24
V, Vo=3.3 V, Io=80%load, Ta = 25 °C)
MTBF
2,403,689 hours
Dimensions
Inches (L × W × H)
Millimeters (L × W × H)
2.30 x 0.90 x 0.72
58.42 x 22.76 x 18.29
0RCY-50U033&0RCY-50U03L
0RCY-50U03C
Dimensions
Inches (L × W × H)
2.30 x 0.90 x 0.95
Millimeters (L × W × H)
58.42 x 22.76 x 24.13
Weight
-
31.2 g
-
Note: All specifications are typical at 25 °C unless otherwise stated.
Control Specifications
Parameter
Min
Typ
Max
Notes
Remote On/Off
Signal Low (Unit On)
Signal High (Unit Off)
Signal Low (Unit Off)
Signal High (Unit On)
Current Sink
-0.3 V
2.4 V
-0.3 V
2.4 V
0 mA
-
-
-
-
-
0.8 V
18 V
0RCY-50U03L&0RCY-50U03C. The
remote on/off pin open, Unit off.
Active Low
Active High
0.8 V
0RCY-50U033. The remote on/off
pin open, Unit on.
18 V
0.75 mA
Output Trim Equations
Equations for calculating the trim resistor are shown below. The Trim Down resistor should be connected between
the Trim pin and GND pin. The Trim Up resistor should be connected between the Trim pin and the Vout pin. Only
one of the resistors should be used for any given application.
Vout
511
Rtrimdown=
−10.22
[
kΩ
]
Module
Module
Trim
GND
delta
Rtrimdown
Rtrimup
(100+ delta)⋅Vo ⋅5.11− 626
1.225⋅ delta
Rtrimup =
−10.22[kΩ
]
Vout
Trim
GND
Note:
(
)
Vo _ req −Vo
delta =
×100
[%]
Vo
Vo_req=Desired (trimmed) output voltage [V]
Output voltage Vo=3.300 V
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
18 Vdc - 62.5 Vdc Input 3.3 Vdc /12.1 A Output
Efficiency Data
Efficiency Curve
95.0%
90.0%
85.0%
80.0%
75.0%
70.0%
65.0%
60.0%
18 V
24 V
48 V
62.5 V
1.2
3
6
9
12.1A
Output Current (A)
Thermal Derating Curve
Vin=24 V, Vo=3.3 V; Maximum FET junction temperature derated to 120C
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
18 Vdc - 62.5 Vdc Input 3.3 Vdc /12.1 A Output
Ripple and Noise Waveforms
24 V input, 3.3 V/12 A output
48 V input, 3.3 V/12 A output
Note: Ripple and noise at full load, 0-20 MHz BW, and with a 300 uF ceramic cap at output, Ta=25 deg C.
Transient Response Waveforms
50%-100%-50% Load Transients at Vin=24V
50%-100%-50% Load Transients at Vin=48V
Note: Transients at 3.3Vout, di/dt=1 A/us, with a 300 µF ceramic capacitor at output, 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
18 Vdc - 62.5 Vdc Input 3.3 Vdc /12.1 A Output
Mechanical Outline
0RCY-50U03C
0RCY-50U033&0RCY-50U03L
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
18 Vdc - 62.5 Vdc Input 3.3 Vdc /12.1 A Output
Mechanical Outline (continued)
Pin Connections
Pin
Name
Function
Pin Dia
1
Vin+
0.040’’
Positive input voltage
Input to turn converter
on and off, referenced
to Vin-
2
On/Off
0.040’’
3
4
5
6
7
8
Vin-
Vout-
0.040’’
0.062’’
0.040’’
0.040’’
0.040’’
0.062’’
Negative input voltage
Negative output voltage
Negative remote sense
Output voltage trim
Positive output voltage
Positive output voltage
Sense-
Trim
Sense+
Vout+
Notes: 1. Pin 5 must be connected to Vout-.
2. Leave Pin 6 open for nominal voltage.
3. Pin 7 must be connected to Vout+.
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
18 Vdc - 62.5 Vdc Input 3.3 Vdc /12.1 A Output
INSTALLATION INSTRUCTION
1) The DC-DC Converter can be operated at an ambient temperature up to 85°C maximum.
2) The DC-DC Converter is a built-in component. During installation into certain equipment the relevant
requirements of EN 60950-1:2001 + A11 and IEC 60950-1:2001 shall be maintained.
3) The creepage distances, clearances and thickness of insulation between unearthed hazardous voltage input
and SELV output circuits have complied with basic insulation requirements according to EN 60950-1:2001 +
A11 and IEC 60950-1:2001.
4) The output ratings as shown on the label must not be exceeded.
5) The equipment is to be supplied from a DC source which is separated from AC mains by double or reinforced
insulation, or by basic insulation and suitable earthing providing equivalent protection.
6) The equipment is intended to be installed into a class I or class II system, when installed into class I system,
protective earth has to be reliably identified and suitable external protection devices have to be provided in
the final system.
RoHS Compliance
Complies with the European Directive 2002/95/EC, calling for the elimination of lead and
other hazardous substances from electronic products.
©2008 Bel Fuse Inc. Specifications subject to change without notice. 010208
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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