SG3525 Regulating Pulse Width Modulators for Switching Power Supply

Features & Specifications

• Supply Voltage: 8V to 35V
• Oscillation Range: 100 Hz to 400 kHz
• Maximum Power Dissipation: 1000 mW
• 5.1 V Reference Trimmed TO ± 1 %
• Supply Voltage VCC: +40 Vdc
• Logic input: -0.3 to 5.5 V
• Output current I_O: ±500 mA
• Reference output current I_ref: 50 mA
• Oscillator charging current: 5 mA
• Power Dissipation P_D: 1000 mW
• Thermal resistance, junction-to-Air R_θJA: 100 ˚C/W
• Thermal resistance, junction-to-Case R_θJC: 60 ˚C/W
• Operating junction temperature TJ: 150 ˚C
• Dual-source/sink output drivers
• Internal Soft-Start
• Pulse by pulse Shutdown
• Adjustable dead time control
• Separate oscillator sync terminal
• Latching PWM to prevent multiple pulses