HLF SG3526 – PWM Controller (DIP18) Input Voltage: 8V – 35V | Operating Temperature: 0°C to +70°C | Through-Hole Package

The HLF SG3526 (DIP18) is a high-performance PWM (Pulse Width Modulation) controller designed for precision control of switching power supplies, inverters, and DC-DC converters. It features a built-in reference regulator, error amplifiers, oscillator, PWM comparator, and dual totem-pole outputs capable of directly driving power transistors or MOSFETs. The SG3526 supports both push-pull and single-ended configurations, ensuring high efficiency and stability in various power control applications.

Key Features:

• Function: PWM Controller

• Input Voltage Range: 8V – 35V

• Operating Temperature: 0°C to +70°C

• Package Type: DIP18 (Dual In-line Package)

• Mounting Type: Through-Hole

• Precision 5V Reference Voltage (±1%)

• Dual Totem-Pole Outputs (Source/Sink 200mA)

• Adjustable Oscillator Frequency and Dead-Time Control

• Push-Pull or Single-Ended Operation

• Soft-Start Capability

• Undervoltage Lockout and Overload Protection

• Low Standby Current

Applications:

• Switching Power Supplies

• DC-DC Converters

• UPS and Inverter Systems

• Battery Chargers

• Motor Speed Control Systems