ASD75-24S5Q ASTRODYNE

Document overview

  • Manufacturer or author: Provided By digicamel.com
  • PDF pages: 4

Technical content

Features

Small size 1.45”x2.28”x0.52”, industry standard 1/4 brick Excellent thermal performance with metal baseplate Fast over voltage protection Pulse-by-pulse current limiting, dead short current limiting Over-temperature protection Auto-softstart Very Low noise Low magnetics run cooler Constant frequency for normal operation Wide input voltage range Remote Sense with high regulation Remote ON/OFF Super energy saving, 6 mA input idle current Output trim with very low temperature Water Washable, wide humidity applications Good shock and vibration damping

Description

The 75 Watt single ASD-Q series of DC/DC Converters provide precisely regulated dc outputs. All outputs are fully isolated from the inputs, allowing the output to be used with positive or negative polarity and various grounding options. The ASD-Q Series utilizes an insulated metal substrate design in an industry Standard features include remote sensing, output trim, and remote Threaded-through holes are provided to allow easy mounting or add a heat sink for extended temperature use. trahCnoitceleS ledoM egnaRtupnI CDV niI @CDA mon tuoV CDV tuoI CDA niM xaM pyT ASD75-24S3.3Q 3.31 20 36 36.3 5 51 81 63 95.3 21 52.6 81 63 55.3 51 5 81 63 55.3 42 31.3 63 57 56.1 3.3 02 63 57 08.1 5 51 63 57 87.1 21 52.6 63 57 67.1 51 5 63 57 67.1 42 31.3 .evitisopsicigolFFO/NOtluafeD .cigolFFO/NOevitagenredrootrebmunledomehtotN-ddA 18 36 3.3 ASD75-24S5Q 18 ASD75-24S12Q ASD75-24S15Q ASD75-24S24Q ASD75-48S3.3Q ASD75-48S5Q ASD75-48S12Q ASD75-48S15Q ASD75-48S24Q 375 Forbes Blvd. Mansfield, MA 02048 Ph: 800-823-8082 Fax: 508-339-0375 www.astrodyne.com Email: sales@astrodyne.com standard 1/4 brick case size to meet the most rigorous require- ments of COTS and thermally challenging industrial applications.

A Unless otherwise stated, these apply for ambient temperature TA=23 ±2°C, nominal input voltage, and rated full load. (1) sretemaraPtupnI ledoM ASD75-24S3.3Q stinU egnaRegatloV NIM PYT XAM CDV *egatlovrevOtupnI ceSm001 XA 0M C5 DV noitcejeRelppiRtupnI )zH021( PY 0T B6 d tuokcoLegatlovrednU seY noitcetorPegatloVesreveRtupnI seY daoLoNtnerruCtupnI daoL%001 PYT PYT 3.3 6.3 6.3 6.3 6.3 Am A tnerruChsurn XI A 2M . A0 2 S Hµ21,elppiRdetcelfeR )3(ecnadepmIecruoS PY 0T P1 -PAm ycneiciff PE YT 28 48 68 78 78 % ycneuqerFgnihctiw PS Y 0T 6 z3 Hk esuFdednemmoceR )2 S( PMA sretemaraPtupnI ledoM stinU egnaRegatloV NIM PYT XAM CDV *egatlovrevOtupnI ceSm001 XA 5M C8 DV noitcejeRelppiRtupnI )zH021( PY 0T B6 d tuokcoLegatlovrednU seY noitcetorPegatloVesreveRtupnI seY daoLoNtnerruCtupnI daoL%001 PYT PYT 7.1 8.1 8.1 8.1 8.1 Am A tnerruChsurn XI A 2M . A0 2 S Hµ21,elppiRdetcelfeR )3(ecnadepmIecruoS PY 0T P1 -PAm ycneiciff PE YT 28 48 68 78 78 % ycneuqerFgnihctiw PS Y 0T 6 z3 Hk esuFdednemmoceR )2 S( PMA * Absolute Maximum Ratings. Caution: Stresses in excess of the Absolute Maximum Ratings can cause permanent damage to the device (see Note 1). 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

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 µF capacitor connected to two “Input” pins. Then place current sensor in series with 12 µH inductor between 33 µF 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 µH 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 = 2µ 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 µF tantalum capacitor in parallel with a 0.1 µF 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 µA 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. When open collector is used for logic high, “Open Circuit Voltage 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) Thermal impedance is tested with the converter mounted vertically 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 - These DC/DC converters are designed to withstand most solder/wash processes. Careful attention should 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. sretemaraPtuptuO ledoM stinU egatloVtuptu 3O .3 5 21 51 42 CDV egatloVtuptuO ycaruccAtniopteS XA 1M %± toohsrevOnOnru PT Y %0T tneiciffeoCerutarepmeT PYT XAM 500.0 10.0 300.0

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  • Absolute Maximum Ratings. Caution: Stresses in excess of the Absolute Maximum Ratings can cause permanent damage to the device (see Note 1). Mechanical tolerances unless otherwise noted: X.XX dimensions: ±0.020 inches X.XXX dimensions: ±0.005 inches

375 Forbes Blvd. Mansfield, MA 02048 Ph: 800-823-8082 Fax: 508-339-0375 www.astrodyne.com Email: sales@astrodyne.com