Xantrex XDL Series Programmable DC Power Supplies

Additional Product Information

Unmatched Precision
The XDL series offers an unparalleled level of precision. Voltage and current are controlled using instrumentation quality 16 bit DACs enabling voltages to be set to 1mV resolution even at full output. Indeed, the accuracy is sufficient for the XDL to be used as a calibration source for some hand-held DMMs.

Multiple Ranges for Greater Flexibility
The XDL series provides multiple ranges for increased current capability at lower voltages. The XDL35-5, for example, is a 100 Watt power supply with three ranges. The main range offers 0 to 35 Volts at up to 3 Amps. The higher current range provides up to 5 Amps for voltages up to 15 Volts. A further low current range provides an enhanced current setting and measurement resolution of 0.1 mA.

Unrivalled Performance
The XDL series uses pure linear technology and offers unrivalled performance in regulation, output noise and dynamics. Line and load regulation are close to the limit of measureability. Recovery time from transient current pulses is better than 50µs. Output noise is less than 350µV rms in CV mode and down to 20µA rms in CI mode - dramatically better than other power supplies.

Fast, Simple and Safe to Use
The user interface of the XDL series has been painstakingly designed to provide rapid control whilst guarding against any possibility of error. Unlike other digitally controlled units, the XDL series provides both numeric and rotary control. Illuminated keys and display legends provide instant confirmation of settings and status.

Instant Limits View
To enable the current limit to be set before connecting the load, the limit setting is displayed when the output is set to Off. With the output set to On, the current meter shows the load current rather than the limit setting. Pressing the Limits key at any time provides a temporary display of the limit values allowing precise adjustment to be made. (When operating in CI mode it will be the load voltage which is displayed with the output on, and the voltage limit which is shown using the Limits function).

Setting Memories for Added Convenience
The XDL series provided storage of up to 10 power supply sets-up in non-volatile memory (30 set-ups for a triple). Upon power switch-off, the current set-up is saved and is automatically restored at switch-on. On the triple output XDL35-5T, independent memories are provided for each output, plus an additional set for 'linked' mode where the user may wish to recall settings for both outputs simultaneously.

OVP and OCP Trip with Alarm Output
The XDL series provides fully adjustable over-voltage and over-current trips. These trips can be used both as a fail-safe against accidental mis-setting and as a protection against inappropriate load conditions. In addition to turning the output off, a trip condition switches the rear panel alarm signal enabling other equipment to be controlled. For complete protection of the power supply, the trip will also be operated by over-temperature, or excess voltage on the sense terminals.

Remote or Local Sense
The XDL series provides full remote sense capability via dedicated sense terminals. Remote sense is essential to maintain regulation at the load (two 0.01 ohm connection leads will drop 100 mV at 5 A). When remote sense is not required, internal local sensing can be selected at the touch of a button.

Instant watts display
The product of voltage and current can be displayed at any time by pressing the V x A button. The power is displayed with a resolution down to 1 milliwatt.

Triple Output XDL35-5T
The triple output model has two main outputs plus one auxiliary output. The two main outputs are independent and isolated. Illuminated keys selects which output is to be adjusted and provide unambiguous indication. In "linked" mode, all adjustments are applied to both outputs simultaneously. Linked mode can provide tracking outputs and is particularly useful when the user wishes to wire the outputs in series or parallel to obtain higher voltages or currents. A "copy" function allows all of the settings of one output to be duplicated on the other prior to linking. For even greater flexibility, the outputs can be linked when set to different voltages or currents allowing separate settings to be loaded into the linked-mode memories for simultaneous recall. A third output intended for powering logic and other low voltage circuitry. This output is fully isolated from the main outputs and provides a switchable voltage of 2.7, 3.3 or 5.0 volts at a current of up to one amp. Each output has its own illuminated dc on/off key providing completely independent control. For situations where power needs to be connected or disconnected from all three outputs together, master on/off keys are also provided.

Fully Programmable via GPIB, RS-232 or USB ("P" Models)
Models with a P suffix incorporate a full bus interface enabling remote control and readback via either GPIB, RS-232 or USB. P versions incorporate output power and sense terminals on the rear panel in addition to the front panel. All power supply settings can be controlled via the bus. Voltage and current can be set to a resolution of 1 mV or 0.1 mA for each main output. Actual voltage and current can be read back along with the power supply status. Control of the auxiliary output on XDL35-5T is limited to output on-off and monitoring of overload status.

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PRICING INFORMATION

Xantrex XDL35-5 Power Supply, Single Output 0-35V, 0-3A or 0-15V, 0-5A	TestEquity Price $750
Xantrex XDL35-5P Power Supply, Single Output 0-35V, 0-3A or 0-15V, 0-5A With GPIB, RS-232, USB Interface	TestEquity Price $995
Xantrex XDL35-5T Power Supply, Triple Output 0-35V, 0-3A or 0-15V, 0-5A (x2) 2.7V, 3.3V or 5.0V, 1 A (x1)	TestEquity Price $1,290
Xantrex XDL35-5TP Power Supply, Triple Output 0-35V, 0-3A or 0-15V, 0-5A (x2) 2.7V, 3.3V or 5.0V, 1 A (x1) With GPIB, RS-232, USB Interface	TestEquity Price $1,495
Xantrex XDL56-4 Power Supply, Single Output 0-56V, 0-2A or 0-25V, 0-4A	TestEquity Price $750
Xantrex XDL56-4P Power Supply, Single Output 0-56V, 0-2A or 0-25V, 0-4A With GPIB, RS-232, USB Interface	TestEquity Price $995