Letter released for white LED converter 2mm x 2mm TDFN package maximum efficiency of 92% DC-DC

[BP] reported that the United States and the United States announced an integrated product 2mm x 2mm TDFN package, the maximum efficiency of 92% can be achieved for the white LED converter (DC-DC). Can drive 2 ~ 6 white LED. 1.5 to 4 inch LCD screen backlight for smart phone, PDA, portable media player, GPS terminal, digital camera, etc..

Products include "MAX8901A" and "MAX8901B" two varieties. MAX8901A uses pulse width modulation (PWM) mode input, according to the PWM load ratio of LED current shunt to control the amount of LED. MAX8901B according to a single line serial pulse can be adjusted within the range of 32 LED light. The maximum current of LED is 24.75mA, and the change value of each level is 0.75mA.

The new product with standard 750kHz fixed switching frequency operation, can use 1 F input, 0.1 F output capacitor. Power consumption is 0.1 A when the work is stopped. Operating temperature range of -40 ~ +85 C. Package is 2mm x 2mm 8 terminal TDFN.

More than 1000 orders for the bulk of the reference price of $1.25.