LP3952RL

The LP3952RL is a color LED driver for battery powered handheld devices. It drives any color LEDs including RGB LEDs, indicator LEDs and keypad backlight LEDs.

The features of LP3952RL can be summarized as:(1)Constant current and PWM controlled color LED drivers; (2)Maximum current 40mA / output in constant current mode, supports also switch mode control with 50 mA maximum current /output; (3)Complete audio synchronization for color/RGB LEDs with amplitude,frequency and speed optimization; (4)Command based lighting pattern generator for RGB LEDs; (5)Programmable ON/OFF blinking sequences for RGB1 outputs; (6)High efficiency Boost DC-DC converter with programmable VOUT and fSW; (7)I2C compatible interface; (8)Possibility for external PWM dimming control; (9)Small package 36-bump micro SMDxt, 3.0 x 3.0 x 0.65mm.

The absolute maximum ratings of LP3952RL are:(1)V (SW, FB, R1-2, G1-2, B1-2):-0.3V to +7.2V; (2)VDD1, VDD2, VDDIO, VDDA:-0.3V to +6.0V; (3)Voltage on ASE, IRT, IRGB, VREF:-0.3V to VDD1+0.3V with 6.0V max; (4)Voltage on Logic Pins:-0.3V to VDDIO +0.3V with 6.0V max; (5)V(all other pins): Voltage to GND..-0.3V to 6.0V; (6)I (VREF):10 A; (7)I(R1, G1, B1, R2, G2, B2):100 mA; (8)Continuous Power Dissipation:Internally Limited; (9)Junction Temperature (TJ-MAX):150°C; (10)Storage Temperature Range:-65°C to +150°C; (11)Maximum Lead Temperature (Soldering):260°C; (12)ESD Rating,Human Body Model: 2 kV.

If you want to know more information such as the electrical characteristics about the LP3952RL, please download the datasheet in www.seekic.com or www.chinaicmart.com .