AN30888A

DReovcisNioon. . T3A4-EA-06057 Product Standards AN30888A http://www.semicon.panasonic.co.jp/en/ High Brightness LED Driver IC FEATURES DESCRIPTION  Battery operation : 3 V to 20 V AN30888A is a Boost / Buck-Boost / Buck DCDC  Output current range : 0 A to a few Amperes depending on controller that drives an external power NMOS switch. rating of external NMOS and mode It is suitable for driving high brightness LED for LED of operation lighting applications.  Current mode control architecture  LED dimming function available by using PWM signal  32 mV / 202 mV reference voltage  Low standby current  Configurable as either Boost / Buck-Boost / Buck mode converter  Built-in various protection circuit : Under voltage lock out Over voltage protection APPLICATIONS ・LED lighting module ・LED lantern applications ・White LED backlighting for LCD panel ・White LED flash light driving applications ・General LED back lighting Soft start function  16 ...