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參數資料
| 型號： | WR24S12/2500U |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 30 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數： | 1/2頁 |
| 文件大小： | 33K |
| 代理商： | WR24S12/2500U |
OUTPUT SPECIFICATIONS
Voltage accuracy
±1.0%
Voltage adjustability
Singles
±10%, max.
Remote sense
Singles
Yes
Line regulation
LL-HL, all outputs
±0.2%, max.
Load regulation
FL-NL
±5.0%, max.
FL-0.25%FL
±1.0%, max.
Voltage balance
Duals
±2.0%
Ripple and noise
5Hz to 20MHz
75mV pk-pk
10mV rms, max.
Transient response
25% step load
±1.0% error band
change
500
s rec.
Temperature coefficient
±0.02%/°C, max.
Overvoltage protection
Single +5V output
6.8V ±10%
Single +12 and+15V
18.0V ±10%
Duals
No
Short circuit protection
Continuous
automatic recovery
INPUT SPECIFICATIONS
Input voltage range
12VDC
9 to 18VDC
24VDC
18 to 36VDC
48VDC
36 to 72VDC
No load input current
12VDC
30mA
24VDC
25mA
48VDC
20mA
Input filter
Single outputs
Pi filter
See Note 7
Dual outputs
Low ESR cap
Reverse voltage
Internal shunt diode
protection
(Use external fuse)
INPUT SPECIFICATIONS CONTINUED
Remote ON/OFF
Logic compatibility
CMOS or open collector TTL
Ec-ON
+5.5VDC min. or open-circuit
Ec-OFF
max. 1.8VDC
Shutdown idle current
5mA
Input resistance
0VDC <Ein< 9VDC; 100k
Control common
Referenced to input minus
GENERAL SPECIFICATIONS
Efficiency
Typical
75% to 86%
Isolation voltage
Input/Output
500VDC
See Note 5
Input/Case
250VDC
Switching frequency
Fixed
100kHz
Approvals and
Safety
UL1950
standards
Case material
Black coated copper with
non-conductive base
Material flammability
UL94V-0
Weight
390g (13.77oz)
MTBF
See Note 6
840,000 hours
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Operating ambient
-25°C to +71°C
Non-operating amb.
-55°C to +105°C
Case, temp. rise
+30°C at FL max.
Derating
None required
Cooling
Free-air convection cooled
Relative humidity
Non-condensing
5% to 95% RH
Altitude
Operating
10,000 feet max.
Non operating
40,000 feet max.
Vibration, Pressure
5Hz to 500Hz
2.5G rms (approx.)
For new design-ins see the BXA30 series instead
WR-U SERIES
Single and dual output
[ 2 YEAR WARRANTY ]
30 Watts output power
UL approved (48V input models)
2:1 input range
Efficiency to 86%
Isolated outputs
The WR-U series DC/DC converters accept a wide input voltage range of 9 to
18VDC, 18 to 36VDC, and 36 to 72VDC. A 100kHz switching regulator produces
operating efficiencies as high as 86% with output loads as light as 25% of full
load. These 30 Watt models provide for remote sensing, input/output isolation of
500VDC minimum, and short circuit protection. The WRU Series incorporates
six sided continuous EMI/RFI shielding. The “U” package measures 2.56 x 4.56
x 0.83 inches and is PCB mountable. Other pertinent specifications include:
overvoltage protection on all outputs, operating temperature range of –25°C to
71°C with no derating required and all models are free-air convection cooled.
SPECIFICATION All specifications are typical at nominal input, full load at 25°C unless otherwise stated
PAGE 1
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