Datasheet

LM3549
www.ti.com SNVS640A –AUGUST 2010–REVISED MAY 2013
BIT[6:5] SHORT[1:0]
LED short fault.
BIT FAULT
0 0 No fault
0 1 Red short
1 0 Green short
1 1 Blue short
19h and 1AH USR1 and USR2
User registers 1 and 2. Can be used to store any user data. No affect on the device.
40h EEPROM CONTROL
EEPROM Control register. This register is used to program EEPROM. EEPROM programming is described in the
EEPROM Programming chapter.
Table 2. Recommended External Components
Symbol Symbol Explanation Value Type Example
CIN Input Capacitor 10 µF,6.3V/10V X7R
COUT Output Capacitor 4.7 µF, 6.3V/10V X7R
L1 Switcher Inductor 2.2 µH, 1900 mA TDK VLF4014ST-2R2M1R9
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