MIC4826 Datasheet, PDF (9/12 Pages) Micrel Semiconductor – Low Input Voltage, 160VPP Output Voltage, EL Driver

MIC4826
V_IN
2.5V to 5.5V
C2
10µF/6.3V
Murata
GRM42-6X5R106K6.3
L1
220µH
Murata
LQH4C221K04
D1
Diodes
BAV20WS
R2
3.32M
MIC4826
1 _VDD
R1 _{2 RSW}
332k
3 _REL
4 _GND
SW ⁵
CS ⁶
VB ⁷
VA ⁸
EL LAMP
LSI
X533-13
C_OUT
0.1µF/100V
GRM42-2X7R104K100
V_IN
3.3V
I_IN
14mA
V_A–V_B
160V_PP
F_EL
100Hz
Lamp Size
2in²
Micrel
TIME (2ms/div)
Figure 6. Typical EL Driver for 2in² Lamp with C_S = 0.1µF
August 2004
9
MIC4826