TL594

Precision Switchmode Pulse Width Modulation Control Circuit TL594 The TL594 is a fixed frequency, pulse width modulation control circuit designed primarily for Switchmode power supply control. Features Complete Pulse Width Modulation Control Circuitry On−Chip Oscillator with Master or Slave Operation On−Chip Error Amplifiers On−Chip 5.0 V Reference, 1.5% Accuracy Adjustable Deadtime Control Uncommitted Output Transistors Rated to 500 mA Source or Sink Output Control for Push−Pull or Single−Ended Operation Undervoltage Lockout These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant* MAXIMUM RATINGS Rating Power Supply Voltage Collector Output Voltage Collector Output Current (Each Transistor) (Note 1) Symbol VCC VC1, VC2 IC1, IC2 Value 42 42 500 Unit V V mA Amplifier Input Voltage Range Power Dissipation @ TA ≤ 45°C Thermal Resistance Junction−to−Ambient (PDIP) Junction−to−Air (TSSOP) Junction−to−Ambient (SOIC) VIR PD RqJA −0.3 to +42 1000 80 140 135 V mW °C/W Operating Junction Temperature Storage Temperature Range Operating Ambient Temperature Range TL594CD, CN, CDTB TJ 125 °C Tstg −55 to +125 °C TA °C −40 to 85 Derating Ambient Temperature TA 45 °C Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 1. Maximum thermal limits must be observed. DATA SHEET www....