Datenbogen (LM3549SQEV/NOPB)InhaltsverzeichnisFEATURES1APPLICATIONS1KEY SPECIFICATIONS1Description1Absolute Maximum Ratings3Operating Ratings3Thermal Properties3Electrical Characteristics3Block Diagram5Modes of Operation6Typical Performance Characteristics7Operation Description9CONTROL INTERFACE9CONTROL REGISTERS10EEPROM PROGRAMMING10CURRENT SETTING10BRIGHTNESS CONTROL11PWM TIMING11FAULT DETECTION12LED OPEN FAULT12LED SHORT FAULT13TSD FAULT13UVLO FAULT13OVER CURRENT PROTECTION FAULT13I2C Compatible Interface13I2C ADDRESS13Register Map15I2C Register Details1600h BANK_SEL[1:0]1601h IR0_LSB and 02h IR0_MSB1603h IG0_LSB and 04h IG0_MSB1605h IB0_LSB and 06h IB0_MSB1607h IR1_LSB and 08h IR1_MSB1609h IG1_LSB and 0Ah IG1_MSB160Bh IB1_LSB and 0Ch IB1_MSB170Dh IR2_LSB and 0Eh IR2_MSB170Fh IG2_LSB and 10h IG2_MSB1711h IB2_LSB and 12h IB2_MSB1713h FADER1714h CTRL17BIT[1:0] PWM and MFE17BIT[3:2] TIME OUT[1:0]17BIT[5:4] SOFT START[1:0]1715h ILIMIT18BIT[1:0] NEG_LIMIT[1:0]18BIT[5:4] POS_LIMIT[1:0]1816h F_MASK1817h FAULT18BIT[0] OCP18BIT[1] TSD18BIT[2] UVLO18BIT[4:3] OPEN[1:0]18BIT[6:5] SHORT[1:0]1919h and 1AH USR1 and USR21940h EEPROM CONTROL19Revision History20Größe: 991 KBSeiten: 25Language: EnglishHandbuch öffnen
