Features: • + 5 to + 28V Operation• Low Cost• 0.008 °C Stability (typical)• PI Temperature Control• High ± 2 Amps Output Current• Control Above and Below Ambient• Small Package SizeSpecifications ABSOLUTE MAXIMUM RATINGS RATING SYMBOL VALUE UNI...
WHY5640: Features: • + 5 to + 28V Operation• Low Cost• 0.008 °C Stability (typical)• PI Temperature Control• High ± 2 Amps Output Current• Control Above and Below Ambient&...
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• + 5 to + 28V Operation
• Low Cost
• 0.008 °C Stability (typical)
• PI Temperature Control
• High ± 2 Amps Output Current
• Control Above and Below Ambient
• Small Package Size
ABSOLUTE MAXIMUM RATINGS RATING |
SYMBOL | VALUE | UNIT |
Supply Voltage 1 (Voltage on Pin 8) | VDD | +5 to +30 | Volts DC |
Supply Voltage 2 (Voltage on Pin 10) | VS | +3 to +30 | Volts DC |
Output Current (See SOA Chart) | IS | ±2.5 | Amperes |
Power Dissipation, TAMBIENT = +25°C | PMAX | 9 | Watts |
Operating Temperature, case | TOPR | -40 to +85 | °C |
Storage Temperature | TSTG | -65 to +150 | °C |
The WHY5640 is a general purpose analog PI (Proportional, Integral) control loop for use in thermoelectric or resistive heater temperature control applications. The WHY5640 maintains precision temperature regulation using an active resistor bridge circuit that operates directly with thermistors or RTD temperature sensors.Supply up to 2 Amps of heat and cool current to your thermoelectric from a single +5 Volt power supply.
Connect two or more WHY5640 units together and drive higher output currents.