GENERAL DESCRIPTION
IS31BL3506A is a boost converter featuring an integrated MOSFET switch designed for driving series strings of LED or other device. Input operating voltage range is 2.7V~5.5V. The device regulates the LED load current is set using an external, low value sensing resistor. The device adjusts the PWM duty cycle of the switch to maintain the voltage at the FB pin at a value of 0.3V. 

FEATURES
● Supply voltage: 2.7V~5.5V
● Built-in soft start
● Drive series strings of
   -9 LEDs (DFN-8)
   -8 LEDs (TSOT-23-6)
● PWM or DC voltage dimming
● Frequency of PWM is 500Hz ~ 500kHz
● 1.0MHz high speed switching frequency
● 300mV feedback voltage
● Integrated high power MOSFET
● Over voltage protection
● -40°C ~ +85°C working temperature range
● TSOT-23-6 and DFN-8 (2mm×2mm) package

APPLICATIONS
● Small LCD Backlights
● Notebook PC
● GPS