Features
• Wide Input Voltage Range: 8V to 60V
• Linear (analog) Dimming:
- With wide range of amplitude control of the
LED current
• Pulse-Width Modulation (PWM) (digital) Dimming:
- Dims down to 0.01% and lower
- With PWM pulse width lower than 150 ns
- PWM dimming frequency up to 20 kHz
• Flyback Converter:
- With automatic output voltage adjustment for
maintaining high system efficiency
• Boost Converter:
- With near zero output voltage ripple for a
ripple-free LED current
- 100 Hz/120 Hz ripple rejection
- 200 kHz fixed switching frequency
- SEPIC topology compatible
• VDD Regulator:
- 60V input voltage/5V output voltage
- 10 mA drive for supplying external loads
• Fault Recovery with Auto-Retry Delay Set Using
Timing Capacitor
• Undervoltage Detection of:
- VDD voltage
- Supply voltage (Flyback output voltage)
• Overvoltage Detection of:
- LED load voltage (Boost output voltage)
• Overcurrent Detection of:
- Load switch current
• Stuck-at-Zero Detection of:
- DIM input signal
• Short Circuit Protection of Output with Auto-Retry
Delay

Applications
• Offline LED lighting applications featuring wide
range for PWM dimming and linear dimming.