DS DS – High Current/voltage Darlington Driver, Package: Soic Narrow , Pin Nb= The DS is comprised of seven high voltage, high current. The DS DS DS are comprised of seven high voltage high current NPN Darlington transistor pairs All units feature common emitter open collector. DS datasheet, DS pdf, DS data sheet, datasheet, data sheet, pdf, National Semiconductor, High Current/Voltage Darlington Driver.

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When I switch the power on I get. Attached hopefully is a schematic. Click a thumbnail to view larger image: In this configuration, I get. The DS is comprised of seven high voltage, high cur.

The problem turned out to be two-fold. Product price, specification, warranty and availability subject to change without notice. Comments 9 Comments sorted by Date Added Votes. You and the handful of regulars on here that consistently help out are true American heros [noparse]: To maximize their effec. All logos and trademarks are properties of their respective companies. Sign In or Register to comment. I also tried connecting the positive terminal of the external 24vdc power supply to the DS common pin instead of VDD.

The DS offers solutions to a great many interface. Tom Sisk Sisk Consulting Inc.

When I first started messing with this circuit, I was switching the wrong lead, once I understood that this device was supposed to sink not source I re-wired but still wasn’t getting usable output. Buying used equipment doesn’t always have to be a shot in the dark. Please contact one of our Customer Datassheet Specialists if you have any questions about what is included with this equipment or if you require any additional information. In that configuration I get -3vdc on the ouput when VDD is switched on.

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Seven high gain Darlington pairs. It’s like having the store come to you! Distributors for availability and specifications. I need a beer now.

Is the common pin supposed to be the supply voltage for the output pin? Stock Quick Quote. They are not meant to imply that the devices. Thank you for submitting your InstraView Request! You can zoom in close to see the labels with the serial number or zoom out to see the overall condition of the equipment.

Alas, with a fair amount of shame, I admit defeat. I need 24 volts and about mA to drive my DC Solinoid switch. I’ll admit I don’t have datasheef experiance dealing directly with transisters, but I thought I could handle this apparently simple device. Duty Cycle and Number of. Once I connected to the Vin on the development board about 15vdc things worked immediately. All units feature com.

National Semiconductor – datasheet pdf

I guess I’m not understanding how this thing is supposed to work. Datasheett of our friendly Customer Service representatives will be contacting you shortly with information on when the equipment ds2003 requested will be available for viewing. They should normally be reversed biased and serve to protect the drivers from the reverse polarity pulse when the magnetic field around the solenoid coils collapses when the driver is turned off.


Japan Customer Support Center. This does not seem to be the case. Package Thermal Dissipation Ratings. Life support devices or systems are devices or.

National Semiconductor

I’m tired and frustrated for today. I’ve tried every approach suggested here and then some, still the biggest or smallest output I could get was Once again, thanks to everybody for the help. Valid Email Required Item to Inspect: Well, what if you were able to see a piece of equipment before you purchased it?

National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. I really appreciate the help guys.

Peak Collector Current vs. Or, does the input pin serve as both an enable and supply voltage? Please contact us to complete your request. C with a pulse width of 20 ms ss2003 a duty cycle.

Ds datasheet pdf

I’m sure this is really simple and I am just being a dolt. Please note that any additional items included with this equipment such as dx2003, manuals, cables, calibration data, software, etc.

The DS has a series base resistor to each Darlington. Please feel free to contact us at sales artisantg.