MIC4826 Datasheet, PDF (11/12 Pages) Micrel Semiconductor – Low Input Voltage, 160VPP Output Voltage, EL Driver

MIC4826
V_IN
1.5V
L1
220µH
Murata
LQH4C221K04
C2
V_DD
1.8V to 5.5V
10µF/6.3V
Murata
MIC4826
GRM42-6X5R106K6.3
1 _VDD
SW ⁵
C1
0.01µF/50V
Murata
GRM40-X7R103K50
R1 _{2 RSW}
442k
3 _REL
R2
3.32M
4 _GND
CS ⁶
VB ⁷
VA ⁸
D1
Diodes
BAV20WS
C_OUT
0.01µF/100V
GRM40X7R103K100
EL LAMP
V_IN
1.5V
I_IN
22mA
V_DD
3.0V
I_DD
36µA
V_A–V_B
160V_PP
F_EL
100Hz
Lamp Size
1.6in²
Micrel
TIME (2ms/div)
Figure 8. Typical Split Power Supplies Applications
August 2004
11
MIC4826