Description
The ST1208 is a versatile change pump designed for use in battery operated power supply application. The wide input range is matched for Li-Ion battery applications.
FEATUREs
● High Efficiency Operation ( PLEDs / PBATT )
-- Extends battery life
-- Peak efficiency over 88 %
● 1 / 1.5x Fractional Charge Pump Circuits
-- extends voltage operate range
● Range of LED Driver Power
-- 2.7 to 5.0V
● Drivability 30 mA/LED with Li-Ion Battery
Operating Range
● Shutdown Mode Draws Less Than 1 uA
● Regulated to ± 3 % Output Current Matching
● Soft-Start Function To Limit Inrush Current
● Dimming Control by Logic or PWM
● No external Schottky Diode and Inductor
Required
● Low Input Ripple and EMI
● Short Circuit and Over-Temperature Protection
● 2KV ESD Rating
● Thin QFN ( 4 mm X 4 mm ), Small TSSOP-16L
Packages and Bare Chip
APPLICATIONs
● Cellular phones
● PDAs
● Portable communication devices
● LED/Display backlight driver
● Digital Cameras
● Handheld Electronics
● Flash LED driver