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參數(shù)資料
| 型號(hào)： | UPB-15/2-Q48 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 30 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁(yè)數(shù)： | 3/8頁(yè) |
| 文件大小： | 123K |
| 代理商： | UPB-15/2-Q48 |
UPB Models
2 5 - 4 0 W , S I N G L E O U T P U T D C / D C C O N V E R T E R S
3
Performance/Functional Specifications
Typical @ T
A
= +25°C under nominal line voltage and full-load conditions, unless noted.
Input
Input Voltage Range:
Q12 Models 10-36 Volts (24V nominal)
D24 Models 18-36 Volts (24V nominal)
Q48 Models 18-72 Volts (48V nominal)
D48 Models 36-72 Volts (48V nominal)
Undervoltage Lockout:
Q12 Models 9 Volts
D24 Models 17 Volts
Q48 Models 17 Volts
D48 Models 34 Volts
Input Current
See Ordering Guide
Input Filter Type
Pi
Overvoltage Shutdown:
D24 and Q12 Models 40 Volts
D48 and Q48 Models 80 Volts
Reverse-Polarity Protection
Yes (Instantaneous, 6A maximum)
On/Off Control
(Pin 5)
TTL high (or open) = on, low = off
Output
V
OUT
Accuracy
(50% load)
±1%, maximum
Temperature Coefficient
±0.04% per °C
Ripple/Noise
(20MHz BW)
See Ordering Guide
Line/Load Regulation
See Ordering Guide
Efficiency
See Ordering Guide
Isolation Voltage
750Vdc, minimum
Isolation Capacitance
700pF
Current Limiting
Continuous, auto-recovery
Overvoltage Protection
Zener/transorb clamp, magnetic feedback
Dynamic Characteristics
Transient Response
(50% load step) 200μsec max. to ±1.5% of final value
Switching Frequency
165kHz (±10%)
Environmental
Operating Temperature
(ambient):
Wthout Derating –25 to +50°C (model dependent)
Wth Derating to +100°C (See Derating Curves)
Maximum Baseplate Temperature +100°C
Storage Temperature
–40 to +105°C
Physical
Dimensions
2" x 3" x 0.50" (50.8 x 76.2 x 12.7mm)
Shielding
6-sided
Case Connection
Pin 4
Case Material
Bright tin-plated steel
Baseplate Material
Aluminum
Pin Material
Brass, solder coated
Weight
4 ounces (113 grams)
These converters require a minimum 10% output loading to maintain specified regulation.
Operation under no-load conditions will not damage these devices; however they may not
meet all listed specifications.
Application-specific internal input/output filtering can recommended or perhaps added
internally upon request. Contact DATEL Applications Engineering for details.
Applying a voltage to the Control pin when no input power is applied to the converter can
cause permanent damage to the converter. If desired, the On/Off function can be replaced
with a Sync function. See page 6 of this data sheet for more details.
Input Voltage:
Q12/D24 Models 44 Volts
Q48/D48 Models 88 Volts
Input Reverse-Polarity Protection
Current must be <6A. Brief
duration only. Fusing recommended.
Output Overvoltage Protection
5V Outputs 6.8 Volts
12V Outputs 15 Volts
15V Outputs 18 Volts
Output Current
Current limited. Max. current and
short-circuit duration are model
dependent.
Storage Temperature
–40 to +105°C
Lead Temperature
(soldering, 10 sec.) +300°C
Floating Outputs
Since these are isolated DC/DC converters, their outputs are "floating."
Users may ground either the Common (pin 8) for normal usage or the
positive side (+Output, pin 9) to effectively reverse the output polarity.
Filtering and Noise Reduction
All UPB 25-40 Watt DC/DC Converters achieve their rated ripple and noise
specifications without the use of external input/output capacitors. In critical
applications, input/output ripple and noise may be further reduced by install-
ing electrolytic capacitors across the input terminals and/or low-ESR tanta-
lum or electrolytic capacitors across the output terminals. The caps should
be located as close to the power converters as possible. Typical values are
listed in the tables below. In many applications, using values greater than
those listed will yield better results.
To Reduce Input Ripple
Q12, D24 Models
Q48, D48 Models
47μF 50V
10μF 100V
To Reduce Output Ripple
5V Outputs
12/15V Outputs
47μF 10V Low ESR
22μF 20V Low ESR
In critical, space-sensitive applications, DATEL may be able to tailor the
internal input/output filtering of these devices to meet your specific require-
ments. Contact our Applications Engineering Group for additional details.
Input Fusing
Certain applications and/or safety agencies may require the installation of
fuses at the inputs of power conversion components. For DATEL UPB
DC/DC Converters, you should use slow-blow type fuses with values no
greater than the following:
V
IN
Range
Q12, D24 Models
Q48 Models
D48 Models
Fuse Value
4A
3A
2A
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
T E C H N I C A L N O T E S
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