Click to expand full text
www.DataSheet.co.kr
Ordering number : ENA1969
Bi-CMOS IC
LV5223GR
Overview
LED Driver
The LV5223GR is 9ch LED driver IC for the cell phones with built-in charge pump circuit.
Features
• LED driver ×9 channels (3-color 1, 3-color 2, GPO (LED) ×3, 9 channels in total) and on-chip charge pump circuit. • Each LED driver current level can be adjusted independently over the serial bus. • Ring tone and 3-color LEDs (3-color 1, 3-color 2) synchronization function. • Gradation function (3-color 1, 3-color 2, in total 6 channels only) • RLED2 and GLED2 support strobe mode. • Miniature package
Function
• Charge pump circuit ((2 times step up) Output voltage: 5V) • LED driver 3-color LED ×2 + GPO (LED) LED driver ×3 Channel 1 LED current can be switched indecently in 5-bit units (0.