ILD4120 – 1.2A step down converter

Features
- 1.2A output current 
- Input voltage range of 4.5 to 40V
- Brightness control by analog voltage or PWM on enable pin
- Over temperature protection
- Over voltage protection
- Inherent open-circuit LED protection
- Soft start capability
- Max. 500 kHz switching frequency

Competitors and their disadvantages:

- ZXLD1360 from Diodes Inc.
  No over temperature protection

- SP7600 from EXAR (former SIPEX)
  No over temperature protection

Benefits
- Very low cost solution
- High flexibility for supply voltage range
- Flexibility for dimming option
- Superior protection functions especially thermal shutdown at 125°C offers real protection for LED's
- Small form factor of DSO-8 package (exposed pad)

Datasheet

Current status

  • Samples: Mar 2010 
  • Production May 2010