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DTL23A Datasheet Preview

DTL23A Datasheet

Voltage-Controlled / 2 Amp 100 Watt / Electronic Loads

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DTL23A pdf
Preliminary
®®
INNOVATION and EXCELLENCE
DTL Series
DTL23A Model
Voltage-Controlled, 2 Amp
100 Watt, Electronic Loads
Features
0-10V Input/control voltage
0-2A output/load current
2.5-200V output compliance voltage
0-100W output/load power
10Moutput impedance
500Vdc Isolation
±1% accuracy under all conditions
200µsec full-scale step response
2" x 2", shielded metal package
Operate in parallel for higher power
Applications
Power-supply test and characterization
Static/dynamic power-supply burn-in
Power-resistor substitution
Real-time load simulation
Capacitor discharge testing
The DTL23A is an isolated (500Vdc), near-ideal (Zin = ZOUT >= 10M), analog/voltage-controlled
current sink. It's 0-2.0A ouput/load current is straightforwardly "programmed" by applying a 0-10V
input. The control signal can be generated by circuits as simple as the wiper of a trimpot or as
sophisticated as programmable logic controllers (PLC's) or analog-output computer I/O boards (D/A
boards). The DTL23A supports any combination of IOUT = 0-2.0 Amps and VOUT = 2.5-200 Volts.
Its thermally efficient, metal package, when properly heat sunk, can dissipate output/load power up
to 100 Watts.
The easy-to-use DTL23A is an excellent building block for low-cost, fully flexible, power-supply
(AC/DC or DC/DC) or power-component (MOSFET's, diodes, etc.) test and burn-in applications.
It is accurate (±5mA offset error, ±1% overall accuracy), fast (200µsec full-scale step response),
and capable of impressive resolution. If it is controlled with a 12-bit, 0-10V D/A converter, for
example, one LSB (least significant bit) of the D/A corresponds to a 0.5mA change in the DTL23A's
output/load current.
The DTL23A is packaged in a small (2" x 2" x 0.5"), thermally efficient metal package incorporating
an aluminum baseplate with through-hole mounting inserts. It is powered by a single +5V supply
and draws a mere 150mA.
The DTL23A has an output compliance voltage of 2.5-200 Volts. Should the output/load voltage
drop below the 2.5V required for proper biasing, an internal monitoring circuit activates the DTL23A's
output Fault line. See DATEL's DTL22A-LC for compliance voltages as low as 0.6V.
The DTL23A and other electronic loads, controller boards, and software from DATEL are
outstanding building-block components for power-supply burn-in and test systems. They are
extremely reliable, cost-effective solutions that enable you to quickly configure impressively accurate
systems.
Figure 1. Simplified Schematic
DATEL, Inc. Mansfield, MA 02048 (USA) • Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 • Email: sales@datel.com • Internet: www.datel.com



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DTL23A Datasheet Preview

DTL23A Datasheet

Voltage-Controlled / 2 Amp 100 Watt / Electronic Loads

No Preview Available !

DTL23A pdf
DTL Series
100 WATT, VOLTAGE-CONTROLLED ELECTRONIC LOAD
Performance Specifications and Ordering Guide
Input
Model
DTL23A
Control
Voltage
(Volts)
0 to +10V
Impedance
(Minimum)
10M
Current
(Amps)
0-2.0
OuOtputuptut
Resolution
(mA)
0. 5
Compliance
Voltage
(Volts)
2.5-200
Typical at TA = +25°C with nominal +5V supply voltage, unless noted.
Listed resolution (0.5mA) is for a typical application in which the DTL23A is controlled by a voltage
generated by a 12-bit D/A converter with a 0-10V output range. One LSB (least significant bit) of the D/A
corresponds to 0.0244% (1/4096) of full scale (2.0 Amps), which equals approximately 0.5mA.
For proper operation, the unit's output/load voltage must remain within this range. Voltages greater than the listed
maximum can damage the device. Voltages less than the minimum provide insufficient bias for the output stage and will
result in unpredictable or no operation. See Output Compliance Voltage and the Fault Line for details.
Power
(Watts)
0-100
Package
(Case, Pinout)
C24, P51
PART NUMBER STRUCTURE
DTL 22A 22A
DTL 23
A
DATEL
Electronic Load
Voltage Range
23 = 2.5 to 200V
A-Series
High Reliability
MECHANICAL SPECIFICATIONS
TEMPERATURE DERATING
Baseplate Temperature (°C)
Baseplate Temperature (°C)
The horizontal axis of the above chart references the temperature of the DTL23A's aluminum
baseplate. The device can continually dissipate up to 100 Watts if the baseplate is maintained
at or below +50°C. At +25°C ambient temperature, with no heat sink or supplemenatal air
flow, the DTL23A can reliably dissipate a continuous 10 Watts.
I/O Connections
Pin Function P51
Pin Function P51
1 +5 Volt Supply
7 Control Voltage In (-)
2 +5 Volt Return
8
-Load
3 Fault
9 -Load
4 No Pin
10 +Load
5 Control Voltage In (+) 11
+Load
6 No Pin
Contact DATEL for Heat Sink information.
2


Part Number DTL23A
Description Voltage-Controlled / 2 Amp 100 Watt / Electronic Loads
Maker ETC
Total Page 4 Pages
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