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参数资料
| 型号： | RBC-12/17-D48PC |
| 厂商： | MURATA POWER SOLUTIONS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 210 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, QUARTER BRICK PACKAGE-5 |
| 文件页数： | 3/9页 |
| 文件大小： | 394K |
| 代理商： | RBC-12/17-D48PC |
Performance/Functional Specications
Input Voltage:
Continuous
75 Volts
Transient (100msec max.)
100 Volts
Input Reverse-Polarity Protection
None, see notes. Install external fuse.
Output Current
Current limited. Devices can
withstand an indenite output short
circuit without damage.
Storage Temperature
–55 to +125°C
Lead Temperature (soldering, 10 sec.)
+280°C
These are stress ratings. Exposure of devices to any of these conditions may adversely
affect long-term reliability. Proper operation under conditions other than those listed in
the Performance/Functional Specications Table is not implied.
Absolute Maximum Ratings
Typical at TA = +25°C under nominal input voltage and full-load conditions unless noted.
Refer to required airow and Derating curves for thermal specications. [1]
Input
Input Voltage Range
36-75 Volts
Recommended External Fuse
20 Amp fast blow
Start-up Threshold
35V
Undervoltage shutdown
33.5V
Overvoltage shutdown
None [note 12]
Input Current, nominal
See ording guide
Input Current, VIN = VMIN
6.00A
Input Current, shut-down mode
6.5mA max.
Inrush Transient
0.05A2-seconds
Reected Ripple Current [2]
15mAp-p
Internal Filter Type
L-C
Reverse Polarity Protection
None (see note 11), install external fuse
Remote On/Off Control [5]
Positive Logic
On = Open or +3.5 to +13.5 V.
Off = Gnd. Pin or 0 to +1V.
Negative Logic
On = Gnd. Pin or 0 to +1V.
Off = Pin open or +3.5V to +13.5V.
Current
2mA max.
Output
Total Output Power [3]
210W max. [15]
Setpoint Accuracy (50% load)
±3% of VNOMINAL
Extreme Accuracy [14]
11.4V min. to 12.6V max.
Output Current [7]
See ordering guide
Minimum Load
No minimum load
Ripple and Noise (20MHz bandwidth)
See ordering guide
Line and Load Regulation [10]
See ordering guide
Efciency
See ordering guide
Isolation Voltage (Input/output)
2250Vdc min.
(Input to baseplate)
1500Vdc min.
(Baseplate to output)
1500Vdc min.
Isolation Resistance
100M
:
Isolation Capacitance
1500pF
Isolation Safety Rating
Basic
Current Limit Inception (98% of VOUT)
27A, after warm up
Short Circuit Current [6]
5 Amps
(hiccup autorestart – remove short for
recovery)
Short Circuit Duration (+VOUT grounded)
Continuous, no damage
Overvoltage Protection
15Vdc max. via magnetic feedback
Max. Capacitive Loading (resistive load)
10,000μF, low ESR 0.02 Ohms
Temperature Coefcient
±0.02% per °C
Dynamic Characteristics
Dynamic Load Response
75μsec, 50-75-50% load step
(to within 3% of VOUT)
100μsec, 25-75-25% load step
Start Up Time
(VIN to VOUT regulated)
60msec
(Remote On to Vout regulated)
60msec
Fixed Switching Frequency
225 ±25kHz
Environmental
Calculated MTBF [4]
1,247,727 hours
Operating Case Temperature [13]
+110°C max.
Electronic Thermal Shutdown
+125°C min.
Operating Temperature Range
-40C to +85C, See Derating curves
(With Derating)
Storage Temperature Range
–55 to +125°C
Flammability
UL94V-0
Relative Humidity
To 85% / +85°C
Safety Compliance
UL60950-1, CSA-C22.2 No.60950-1,
IEC/EN60950-1
Electromagnetic Interference
EN55022/CISPR22
conducted or radiated
(may require external lters)
Physical
Pin Material
Copper alloy with gold plate over nickel underplate
Weight
1 ounce (28.4 grams)
(1)
All models are tested and specied with external 1 || 10uF ceramic/tantalum output capacitors and external
22uF input capacitor. All capacitors are low ESR types. These capacitors are necessary to accommodate our
test equipment and may not be required to achieve specied performance in your applications. All models are
stable and regulate within spec under no-load conditions.
General conditions for Specications are +25°C, VIN = nominal, VOUT = nominal, full load.
(2)
Input Ripple Current is tested and specied over a 5 Hz to 20 MHz bandwidth. Input ltering is CIN = 33μF/100V
tantalum, CBUS = 220μF/100V electrolytic, LBUS = 12μH.
(3)
Note that Maximum Power Derating curves indicate an average current at nominal input voltage. At higher
temperatures and/or lower airow, the DC/DC converter will tolerate brief full current outputs if the total RMS
current over time does not exceed the Derating curve. All Derating curves are presented at sea level altitude. Be
aware of reduced power dissipation with increasing density altitude.
(4)
Mean Time Before Failure is calculated using the Telcordia (Belcore) SR-332 Method 1, Case 3, ground xed
conditions, TPCBOARD = +25°C, full output load, natural air convection.
(5)
The On/Off Control may be driven with external logic or by applying appropriate external voltages which are
referenced to Input Common. The On/Off Control Input should use either an open collector/open drain transistor
or logic gate which does not exceed +13.5V.
(6)
Short circuit shutdown begins when the output voltage degrades approximately 2% from the selected setting.
(7)
The outputs are not intended to sink appreciable reverse current.
(8)
Output noise may be further reduced by adding an external lter. See I/O Filtering and Noise Reduction.
(9)
All models are fully operational and meet published specications, including “cold start” at –40°C.
(10) Regulation specications describe the deviation as the line input voltage or output load current is varied from a
nominal midpoint value to either extreme.
(11) If reverse polarity is accidentally applied to the input, a body diode will become forward biased and will accept
considerable current. To ensure reverse input protection with full output load, always connect an external input
fuse in series with the +VIN input. Use approximately twice the full input current rating with nominal input
voltage.
(12) Input overvoltage shutdown on 48V input models is normally deleted in order to comply with certain telecom
reliability requirements. These requirements attempt continued operation despite signicant input overvoltage.
(13) Note that the converter may operate up to +110°C PCB temperature with the baseplate installed. However,
thermal self-protection occurs near +125°C and there is a temperature gradient from high power components.
Therefore, +100°C baseplate temperature is recommended to avoid thermal shutdown.
(14) “Extreme accuracy” refers to all combinations of line and load regulation, output current, initial setpoint
accuracy and temperature coefcient.
(15) Vo = (11.64V to 12.36V)
Power = (197.88W to 210.12W)
RBC-12/17-D48 Series
Quarter Brick, Regulated Bus Converters
www.murata-ps.com
email: sales@murata-ps.com
31 Mar 2011
MDC_RBC-12/17-D48.A02 Page 3 of 9
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