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參數(shù)資料
| 型號： | 48H2320-2R |
| 英文描述： | Dual/Triple Ultra-Low-Voltage SOT23 µP Supervisory Circuits |
| 中文描述： | 直流/直流轉(zhuǎn)換器50瓦2 0 /頁 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大?。?/td> | 1209K |
| 代理商： | 48H2320-2R |
Benign Environment
DC-DC Converters
≤
100 Watt
H Series
Edition 4/4.99
1/19
MELCHER
The Power Partners.
50 Watt DC-DC Converters
H Series
Single output:
Double output: series 12H/24H/48H2000
Triple output:
series 12H/24H/48H3000
series 12H/24H/48H1000
Wide input voltage range suitable for battery operation
Efficient input filter and built-in surge and transient
suppression circuitry
3 kV
rms
input to output electric strength test
Outputs individually isolated
Outputs fully protected against overload
Safety according to IEC/EN 60950
LGA
C
Summary
The H series of DC-DC converters represents a broad and
flexible range of power supplies for use in advanced elec-
tronic systems. Features include high efficiency, reliability
and reasonable output voltage noise.
The converter inputs are protected against surges and tran-
sients occuring at the source lines. An input over- and
undervoltage cut-out circuitry disables the outputs if the in-
put voltage is outside the specified range.
All outputs are open- and short-circuit proof and are pro-
tected against overvoltages by means of built-in suppres-
sor diodes. The outputs can be inhibited by a logic signal
applied to the connector pin 2 (i).
If the inhibit function is not
used pin 2 should be connected to pin 23 to enable the out-
puts.
LED indicators display the status of the converter and allow
visual monitoring of the system at any time.
Full input to output, input to case, output to case and output
to output isolation is provided. The modules are designed
and built according to the international safety standard
IEC/EN 60950 and have been approved by the safety
agencies LGA (Germany) and UL (USA). The UL Mark for
Canada has been officially recognized by regulatory au-
thorities in provinces across Canada.
The case design allows operation at nominal load up to
50
°
C in a free air ambient temperature. If forced cooling is
provided, the ambient temperature may exceed 50
°
C but
the case temperature should remain below 80
°
C under all
conditions.
A temperature sensor generates an inhibit signal which
disables the outputs if the case temperature
T
C
exceeds the
limit. The outputs are automatically re-enabled when the
temperature drops below the limit.
Various options are available to adapt the converters to in-
dividual applications.
The modules may either be plugged into 19 inch rack sys-
tems according to DIN 41494, or be chassis mounted.
168
39
111
Table of Contents
Summary.......................................................................... 1
Type Survey and Key Data .............................................. 2
Type Key .......................................................................... 2
Functional Description...................................................... 3
Electrical Input Data ......................................................... 4
Electrical Output Data ...................................................... 5
Auxiliary Functions ........................................................... 8
Page
Page
Electromagnetic Compatibility (EMC) ............................ 10
Mechanical Data ............................................................ 11
Immunity to Environmental Conditions........................... 12
Safety and Installation Instructions ................................ 12
Description of Options.................................................... 15
Accessories.................................................................... 19
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