SM8142B driver equivalent, el driver.
▪ Dedicated EL driver ▪ Noise-less smooth drive waveform ▪ High-efficiency output circuit ▪ Stand-by function ▪ Stable temperature characteristics ▪ Ultra-small package ▪.
(1) EL sheet size : 20 to 30cm2 Current consumption : 20mA
SM8142B
180kΩ
VSS OSC
LDR CHV
470μH
Cbypass 0.01μF
ENA.
Pin number
VSOP-8
1 2 3
SON-8
7 8 1
Name
CHV LDR VSS
4 2 OSC
5 3 ENA*1 6 4 VDD 7 5 OUT2 8 6 OUT1
*1. Built-in pull-down resistor
I/O Function
I High-voltage DC input
O Booster coil driver output
- Ground
I
Coil and EL driver oscillator (o.
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