参数资料
型号: S48SA1R806PTFA
厂商: Delta Electronics, Inc.
英文描述: Delphi Series S48SA, 33W Family DC/DC Power Modules: 48V in, 1.2V/12A out
中文描述: 德尔福系列S48SA,33W系列DC / DC电源??椋涸?8V电压,1.2V/12A出
文件页数: 7/13页
文件大?。?/td> 808K
代理商: S48SA1R806PTFA
DS_S48SA1R212_05122006
Vo(+)
Vi(+)
Vo(-)
Sense(-)
Sense(+)
Vi(-)
ON/OFF
Figure 13:
Remote on/off implementation
Remote Sense (Optional)
Remote sense compensates for voltage drops on the
output by sensing the actual output voltage at the point of
load. The voltage between the remote sense pins and the
output terminals must not exceed the output voltage sense
range given here:
[Vo(+) – Vo(–)] – [SENSE(+) – SENSE(–)]
10%
×
Vout
This limit includes any increase in voltage due to remote
sense compensation and output voltage set point
adjustment (trim).
Vi(-)
Vi(+)
Vo(-)
Vo(+)
Sense(+)
Sense(-)
Resistance
Figure 14:
Effective circuit configuration for remote sense
operation
If the remote sense feature is not used to regulate the
output at the point of load, please connect SENSE(+) to
Vo(+) and SENSE(–) to Vo(–) at the module.
The output voltage can be increased by both the remote
sense and the trim; however, the maximum increase is the
larger of either the remote sense or the trim, not the sum of
both.
When using remote sense and trim, the output voltage of
the module is usually increased, which increases the power
output of the module with the same output current.
Care should be taken to ensure that the maximum output
power does not exceed the maximum rated power.
Contact
Contact and Distribution
Losses
7
FEATURES DESCRIPTIONS
Over-Current Protection
The modules include an internal output over-current
protection circuit, which will endure current limiting for
an unlimited duration during output overload. If the
output current exceeds the OCP set point, the modules
will automatically shut down (hiccup mode).
The modules will try to restart after shutdown. If the
overload condition still exists, the module will shut down
again. This restart trial will continue until the overload
condition is corrected.
Over-Voltage Protection
The modules include an internal output over-voltage
protection circuit, which monitors the voltage on the
output terminals. If this voltage exceeds the over-
voltage set point, the module will shut down (Hiccup
mode). The modules will try to restart after shutdown. If
the fault condition still exists, the module will shut down
again. This restart trial will continue until the fault
condition is corrected.
Over-Temperature Protection
The over-temperature protection consists of circuitry
that provides protection from thermal damage. If the
temperature exceeds the over-temperature threshold
the module will shut down.
The module will try to restart after shutdown. If the over-
temperature condition still exists during restart, the
module will shut down again. This restart trial will
continue until the temperature is within specification.
Remote On/Off
The remote on/off feature on the module can be either
negative or positive logic. Negative logic turns the
module on during a logic low and off during a logic high.
Positive logic turns the modules on during a logic high
and off during a logic low.
Remote on/off can be controlled by an external switch
between the on/off terminal and the Vi(-) terminal. The
switch can be an open collector or open drain.
For negative logic if the remote on/off feature is not
used, please short the on/off pin to Vi(-). For positive
logic if the remote on/off feature is not used, please
leave the on/off pin floating.
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S48SA1R806PTFB 制造商:DELTA 制造商全称:Delta Electronics, Inc. 功能描述:Delphi Series S48SA, 33W Family DC/DC Power Modules: 48V in, 1.2V/12A out
S48SA1R806PTFC 制造商:DELTA 制造商全称:Delta Electronics, Inc. 功能描述:Delphi Series S48SA, 33W Family DC/DC Power Modules: 48V in, 1.2V/12A out
S48SA1R810NRFA 制造商:DELTA 制造商全称:Delta Electronics, Inc. 功能描述:Delphi Series S48SA, 33W Family DC/DC Power Modules: 48V in, 1.2V/12A out
S48SA1R810NRFB 制造商:DELTA 制造商全称:Delta Electronics, Inc. 功能描述:Delphi Series S48SA, 33W Family DC/DC Power Modules: 48V in, 1.2V/12A out
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