SY7728F Description
SY7728F is a h igh efficiency peak current mode boost controller with four matching current sources to drive WLED arrays of LCD backlight. The device has a wide input voltage range fro m 4.5V to 30V. The LED current is programmab le through a resistor.
SY7728F Key Features
- 4.5-30V Wide Input Voltage Range
- PWM and Analog Mode Dimming: Dimming
- +/-1% Current Matching Among Strings at 100mA
- Programmable Switching Frequency,100kHz-1M Hz
- Internal Soft-start
- Open and Short LED Protection
- Programmable over-voltage Protection
- RoHS pliant and Halogen Free
- pact Package: SOP16E&SOP16