ST SG3525AN Pulse Width Modulator 500 KHz

The SG3525AN from ST is a regulating pulse width modulator that has been designed to offer improved performance and lower external parts count when being used in the design of all types of switching power supplies. The on-chip reference is trimmed to ±1% and the input common-mode range of the error amplifier includes the reference voltage, eliminating the need for external resistors. A sync input to the oscillator allows multiple devices to be slaved together or a single unit to be synced to an external system clock.

• 8 to 35V Operation
• Supplied in a DIL-16 package
• 5.1V Reference trimmed to ±1%
• 100Hz to 500kHz oscillator range
• Separate oscillator sync terminal
• Adjustable deadtime control
• Internal soft-start
• Pulse-by-pulse shutdown
• Input undervoltage lockout with hysteresis
• Latching PWM to prevent multiple pulses
• Dual source/sink output drivers