1 Features
• Push-pull driver for transformers
• Wide input voltage range: 3 V to 36 V
– 60 V input voltage tolerance
– Duty-cycle control for line regulation
• 0.5 A switches with programmable current limit
• Wide switching frequency range: 150 kHz to 2
MHz
– Allows small-size transformers
– Programmable switching frequency
– External clock synchronization option
• Ultra-low noise and EMI
– Symmetric push-pull topology
– Spread sprectrum clocking
– Pin-configurable slew-rate control
• Protection Features
– Adjustable under voltage lockout (UVLO)
– Programmable over-current protection (OCP)
– Over voltage lockout (OVLO)
– Thermal shutdown (TSD)
• Wide temperature range: –55°C to 125°C
• Programmable soft-start to reduce In-rush current
• 10-Pin HVSSOP (DGQ) package with thermal pad