The DTL22A is an isolated (500Vdc), near-ideal (ZIN = ZOUT ≥ 10MΩ), analog/ voltage-controlled current sink. Its 0-20A output/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 DTL22A supports any combination of IOUT = 0-20 Amps and VOUT = 2.5-50 Volts. Its thermally efficient, metal package, when properly heat sunk, can dissipate output/load power up to 100 Watts.

Features

■ 0-10V input/control voltage

■ 0-20A output/load current

■ 2.5-50V output compliance voltage

■ 0-100W output/load power

■ 10MΩ output 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