Description
The SG1525A/1527A series of pulse width modulator integrated circuits are designed to offer improved performance and lower external parts count when used to implement all types of switching power supplies.
Features
- NOR logic, giving a LOW output for an OFF state. The SG1527A utilizes OR logic, which results in a HIGH output level when OFF. Block Diagram
Features.
- 8V to 35V Operation.
- 5.1V Reference Trimmed to 1%.
- 100Hz to 500kHz Oscillator Range.
- Separate Oscillator Sync Terminal.
- Adjustable Deadtime Control.
- Internal Soft-start.
- Input Undervoltage Lockout.
- Latching P. W. M. to Prevent Multiple Pulses.
- Dual Source/Sink Output Drivers
High Reliability Features
Fo.
SG3525A-Microsemi.pdf