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參數(shù)資料
| 型號(hào)： | SXA10-48S05 |
| 英文描述： | DC to DC Converter |
| 中文描述： | DC至DC轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 4/6頁(yè) |
| 文件大?。?/td> | 116K |
| 代理商： | SXA10-48S05 |
10 Watt
Surface mount DC/DC converters
DC/DC CONVERTERS
|
10W DC/DC
PAGE 4
http://www.artesyn.com
MECHANICAL SPECIFICATIONS
Nominal dimensions
2.0 x 1.12 x 0.41 inches
50.8 x 28.5 x 10.4 mm
Weight
14g (0.5oz) typ.
Material
Substrate
Alpha level (0.1μm
organosilver plate) on
copper conductors
on Al
O
ceramic.
Phosphor Bronze
60/40 tin/lead
Leads
Lead plating
Material flammability
UL94V-0
Max. lead coplanarity
0.004 inches (100μm)
Leadout
SMT Gullwing
-
+
Vo Sense
Vo
Vo -
Vo +
Internal
Vin -
Vin +
UV/REM
Remote On/Off
400KHz Current
Mode Controller
I Sense
Figure 1 - SXA10 Simplified Schematic
Note 1
To decrease UVLO, connect a resistor from pin 12 (UV/REM) to pin 10
(Vin+). To increase UVLO connect a resistor between pin 11 (Vin-) and
pin 12 (UV/REM). Pin 12 must never be connected directly to
voltages higher than 7VDC. The same pin operates Remote ON/OFF.
The UV/REM pin (pin 12) is internally pulled higher than the Remote
on threshold. To turn the unit off use an open collector driver to pull
the pin lower than the minimum Remote ON threshold by at least the
maximum remote ON/OFF hysteresis. See Application Note for
specific details.
Note 2
Operational Insulation, as defined by CSA 22.2 No 950, UL1950 and
EN 60950, is designed into this component. The unit is classified for
Pollution Degree 2 Environment. Unit top surface is exposed at input
voltage potential and will have same category insulation as input.
The unit is designed for ‘service access’ or ‘restricted access’ as
defined by CSA C22.2 No 950, UL1950.
This product is only for inclusion by professional installers within
other equipment and must not be operated as a stand alone product.
Note 3
For applications with input voltages between 36 and 75V, and
operating ambient temperatures of -10C to 70C the device will deliver
an extra 10% output power. The device will continue to meet all
specifications listed in this data sheet. Refer to Figure 5.
Figure 5 - Output Power Characteristic
Note 4
To trim down connect a resistor between pin 17 (trim) and pin 1
(Vo+). To trim up connect a resistor between pin 2 (Vo-) and pin 17
(trim). See Application Note for specific details.
Note 5
3V3, 5V:
Max. capacitive load is limited to 2200μF per rated output
Amp to guarantee recovery from overload, @ 75Vin and max.
temperature operation. For operation at Vin <65VDC and <70°C
ambient; there is no restriction on load capacitance.
12V:
See Application Note for more details. Start-up into RC loads is
dependant on input voltage and load characteristics at high ambient
temperatures.
Note 6
Thermal hot spot is the temperature of the main output diode tab, as
shown in Figure 7. This is the optimum measurement point for
thermal design considerations when integrating the SXA10 into a
system. The tab is at DC potential and may be used with an isolated
thermocouple instrument. For a maximally configured system and
least airflow, this temperature should stabilise to be less than 110°C.
Pin 3 can also be used for thermal hot spot measurements, however
its maximum temperature should be less than 95°C.
Figure 7 - Thermal Hot Spot
Input Voltage
36 to 75VDC
70
°
C
85
°
C
100
°
C
Still Air
Ambient Temperature
-10
°
C
-40
°
C
Nom. (+Nom.
>0.3msec-1
(60lfm)
Output
D-PAK TAB = Thermal Hot Spot
1
Please consult our website for the following items:
Application Note
Full Data Sheet
Evaluation Kit
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