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參數(shù)資料
| 型號： | ASD75-48S5Q-N |
| 廠商： | ASTRODYNE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | QUARTER BRICK PACKAGE-8 |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 2185K |
| 代理商： | ASD75-48S5Q-N |
A
Unless otherwise stated, these
apply for ambient temperature TA=23 ±2°C, nominal input voltage, and rated full load. (1)
NOTES:
(1) Refer to the Astrodyne Application Notes for
terms, measurement circuits, and other information.
(2) Refer to the Astrodyne Application Notes for information on fusing.
For inrush current, refer to the
above.
(3) 33 F capacitor connected to two “Input” pins. Then place
current sensor in series with 12 H inductor between 33 F and
the source. The
ripple current is measured over 5 Hz
to 20 MHz bandwidth (current sensor is located between the
converter input pin and the 12 H inductor).
(4) Optimum performance is obtained when this power supply is
operated within the minimum to maximum load
No damage to module will occur when the output is operated at
less than minimum load, but the output voltage may contain a
low frequency component that may exceed output noise
.
(5) Load regulation is
as the output voltage change when
changing load current from maximum to minimum. The voltage
is measured at the output pin.
(6) Load Transient Recovery Time is
as the time for the
output to settle from a 50 to 75% or 25% step load change to a
1% error band of output voltage (rise time of step = 2 Sec).
(7) Load Transient Overshoot is
as the peak overshoot
during a transient as
in the Note 6 above.
(8) Noise is measured per the Astrodyne Application Notes. Output
noise is measured with a 10 F tantalum capacitor in parallel
with a 0.1 F ceramic capacitor connected across the output to
CMN. Measurement bandwidth is 0-20 MHz.
(9) When an external
switch is used, such as open collector
switch, logic high requires the switch to be high-impedance.
Switch leakage currents greater than 20 A may be
to
trigger the
to the logic-low state.
(10) Most switches would be suitable for logic
control, in case
there is a problem, you can make following estimation and then
leave some margin.
Whenopencollectorisusedforlogichigh,“OpenCircuitVoltage
at
Pin”, “Output Resistance” and “External Leakage
Current Allowed for Logic High” are used to estimate the high
impedance requirement of open collector.
When switch is used for logic low, “Open Circuit Voltage at On/
Pin”, “Output Resistance” and “LOW Logic Level” are used
to estimate the low impedance requirement of switch.
(11) Thermalimpedanceistestedwiththeconvertermountedvertically
and facing another printed circuit board 1/2 inch away. If
converter is mounted horizontally with no obstructions, thermal
impedance is approximately 10 °C/W.
If heat sink is needed, apply a very thin layer of thermally
conductive grease on the metal base of converter, then properly
tighten the screws.
(12) Water Washability - TheseDC/DC converters are designed to
withstandmostsolder/washprocesses.Carefulattentionshould
be used when assessing the applicability in your
c
manufacturing process. Converters are not hermetically sealed.
(13) Torque fasteners into threaded mounting inserts at 12 in. oz. or
less. Greater torque may result in damage to unit and void the
warranty.
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ASD75-24S3.3Q
ASD75-24S5Q
ASD75-24S12Q
ASD75-24S15Q
ASD75-24S24Q
ASD75-48S3.3Q
ASD75-48S5Q
ASD75-48S12Q
ASD75-48S15Q
ASD75-48S24Q
75 Watt ASD-Q Single Series DC/DC Converters
375 Forbes Blvd. Mansfield, MA 02048
Ph: 800-823-8082
Fax: 508-339-0375
www.astrodyne.com
Email: sales@astrodyne.com
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