電流: -2.2A

【Features】

• Small Package Size 1.3” x 1.28” x 0.313”
• +5 to +26 V Control Electronics Supply
• +4.5 to +30 V Power Drive Supply
• Low Cost
• 0.005ºC Stability (typical)
• Linear PI Temperature Control
• High ±2.2 A Output Current
• Control Above and Below Ambient
• Master/Booster Operation
• Temperature Setpoint, Heat and Cool Current Limits, Proportional Gain, and Integrator Time Constant are set with external components.

PRECISION, STABILITY & VERSATILITY
The advanced and reliable circuitry of the WHY56ND Temperature Controller achieves 0.005ºC temperature stability with thermistors. Its small, low profile package is ideal for designs with space constraints. The linear, PI (Proportional, Integrator) control loop offers maximum stability and efficiency. The WHY56ND is a general purpose analog PI control loop for use with thermoelectrics or resistive heaters. The WHY56ND maintains precision temperature regulation using an active resistor bridge circuit that operates directly with thermistors or RTD temperature sensors. (AD590 and LM335 sensors require external circuits.) Supply up to ±2.2 A of heat and cool current to your thermoelectric from a single +5 V power supply.

BUILT-IN SAFETY
To protect the device, heat and cool limits can be set independently. This safety feature guarantees that your thermoelectric cooler will never be driven beyond your
specified limits. Connect two or more WHY56ND units together and drive higher output currents.

LEADING EDGE APPLICATIONS
Onboard switches, connectors, and trimpots make configuration and operation simple with the WHY56ND‑EV evaluation board. The WHY56ND has proven reliable in
such diverse fields as electro-optical systems, airborne instrumentation, spectroscopic monitors, and medical diagnostic equipment.