Description
AOZ1934/1935 High Efficiency Boost 20-, 30- LED Driver General .
The AOZ1934/5 is an ideal power solution for white LED backlighting for medium to small size LCD panels.
Features
* are built into the AOZ1934/5, including cycle-by-cycle input current limit protection, output over-voltage protection, LED fault (open or short) protection and thermal shutdown protection. The leakage current in shutdown mode is 0.1µA. The AOZ1934/5 is available in a 16-lead 3 x 3 x 0.75mm thin QFN
Applications
* z Netbook z Tablet PCs z GPS z Portable media players z 1-, 2-, 3-, 4-cell Li Ion LED applications
Rev. 1.0 August 2010
www. aosmd. com
Page 1 of 14
Typical Application Circuit
LED Power Input Voltage Range: 3V to 25V
C IN 10µF
L = 4.7µH
IC Supply: 2.7V to 5.5V
Enable PWM Dimming Control
AOZ1