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參數(shù)資料
| 型號： | RBC-12/25-D48PB-C |
| 廠商： | CD TECHNOLOGIES INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, PACKAGE-5 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 155K |
| 代理商： | RBC-12/25-D48PB-C |
RBC Models
R E G U L A T E D D C / D C B U S C O N V E R T E R S
RBC Series
Page 3 of 6
www.cd4power.com
Performance/Functional Specifications
Typical at T
A
= +25°C under nominal input voltage and full-load conditions unless noted.
Refer to required airflow and Derating curves for thermal specifications. [1]
Input Voltage:
Continuous
Transient (100msec max.)
Input Reverse-Polarity Protection
Output Current
Storage Temperature
Lead Temperature
(soldering, 10 sec.)
75 Volts
100 Volts
None, see notes
Current limited. Devices can
withstand an indefinite output short
circuit without damage.
–55 to +125°C
+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 Specifications Table is not implied.
Absolute Maximum Ratings
Input
Input Voltage Range
Recommended External Fuse
Start-up Threshold
Undervoltage shutdown
Overvoltage shutdown
Input Current, nominal
Input Current, V
IN
= V
MIN
Input Current, shut-down mode
Inrush Transient
Reflected Ripple Current
[2]
Internal Filter Type
Reverse Polarity Protection
Remote On/Off Control
[5]
Positive Logic
Negative Logic
Current
See ordering guide
20 Amp fast blow
35.5V
34.0V min., 38.5 V max.
None [note 12]
See ordering guide
9.14 Amps max.
2mA max.
0.05A
2
-seconds
10mAp-p
Pi filter
None (see note 11)
On = +3.5 to +13.5 V
Off = Gnd. Pin or 0 to +1V
On = Gnd. Pin or 0 to +1V
Off = Pin open or +3.5V to +13.5V
2mA max.
Output
306 Watts max.
±2% of V
NOMINAL
11.4V min. to 12.6V max.
See ordering guide
No minimum load
See ordering guide [8]
See ordering guide
See ordering guide
1500Vdc min.
1500Vdc min.
1500Vdc min.
100M
Ω
1000pF
Basic
30 Amps after warm up
5 Amps
(hiccup autorestart – remove short for
recovery)
Continuous, no damage
15Vdc max. via magnetic feedback
Total Output Power
[3]
Setpoint Accuracy
(50% load)
Extreme Accuracy
[14]
Output Current
[7]
Minimum Load
Ripple and Noise
(20MHz bandwidth)
Line and Load Regulation
[10]
Efficiency
Isolation Voltage
(Input/output)
(Input to baseplate)
(Baseplate to output)
Isolation Resistance
Isolation Capacitance
Isolation Safety Rating
Current Limit Inception
(98% of V
OUT
)
Short Circuit Current
[6]
Short Circuit Duration
(+V
OUT
grd)
Overvoltage Protection
Max. Capacitive Loading
(resistive load) 10,000μF low ESR 0.02 Ohms
Temperature Coefficient
Dynamic Characteristics
Dynamic Load Response
(to within 2% of V
OUT
)
Start Up Time
(V
IN
to V
OUT
regulated)
(Remote On to Vout regulated)
Fixed Switching Frequency
Environmental
Calculated MTBF
[4]
Operating PCB Temperature
[13]
Electronic Thermal Shutdown
Operating Temperature Range
[9]
(No derating, full power, 400 LFM airflow, vertical mount)
±0.02% per °C
500μsec, 50-75-50% load step
60msec
20msec
300kHz
TBD
+120°C max.
+125°C min.
–40 to +70°C
Operating Temperature Range
(Wth Derating)
Storage Temperature Range
Relative Humidity
Safety Compliance
Electromagnetic Interference
(may require external filters)
See Derating curves
–55 to +125°C
To 85% / +85°C
UL60950, CSA-C22.2 No.60950,
IEC/EN60950
FCC part 15, EN55022, conducted
or radiated
Physical
See mechanical specifications
Copper alloy over nickel underplate
1 ounce (28.4 grams)
Outline Dimensions
Pin Material
Weight
(1) All models are tested and specified with 400 LFM airflow, external 1 || 10μF ceramic/tantalum
output capacitors and no external input capacitor. All capacitors are low ESR types. These
capacitors are necessary to accommodate our test equipment and may not be required to
achieve specified performance in your applications. All models are stable and regulate within
spec under no-load conditions.
General conditions for Specifications are +25°C, V
IN
= nominal, V
OUT
= nominal, full load.
(2) Input Ripple Current is tested and specified over a 5 Hz to 20 MHz bandwidth. Input filtering
is C
IN
= 33μF/100V tantalum, C
BUS
= 220μF/100V electrolytic, L
BUS
= 12μH.
(3) Note that Maximum Power Derating curves indicate an average current at nominal input
voltage. At higher temperatures and/or lower airflow, 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 fixed conditions, T
PCBOARD
= +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. Sinking excessive reverse
current may damage the outputs.
(8) Output noise may be further reduced by adding an external filter. See I/O Filtering and Noise
Reduction.
(9) All models are fully operational and meet published specifications, including “cold start” at
–40°C.
(10) Regulation specifications describe the deviation as the line input voltage or output load cur-
rent 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 +V
IN
input. Use approxi-
mately 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 significant input overvoltage.
(13) Note that the converter may operate up to +120°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 recom-
mended to avoid thermal shutdown.
(14) “Extreme accuracy” refers to all combinations of line and load regulation, output current,
inititial setpoint accuracy and temperature coefficient.
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