MIC4826 Micrel Semiconductor, MIC4826 Datasheet - Page 2
MIC4826
Manufacturer Part Number
MIC4826
Description
Low Input Voltage/ 160VPP Output Voltage/ EL Driver
Manufacturer
Micrel Semiconductor
Datasheet
1.MIC4826.pdf
(12 pages)
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MIC4826
Pin Configuration
Pin Description
MIC4826
Pin Number
1
2
3
4
5
6
7
8
Pin Name
RSW
GND
VDD
REL
SW
CS
VB
VA
RSW
GND
VDD
REL
8-Pin MSOP Package (MM)
Pin Function
Supply (Input): 1.8V to 5.5V for internal circuitry.
Switch Resistor (External Component): Set switch frequency of the internal
power MOSFET by connecting an external resistor to VDD. Connecting the
external resistor to GND disables the switch oscillator and shutdown the
device.
EL Resistor (External Component): Set EL frequency of the internal H-bridge
driver by connecting an external resistor to VDD. Connecting the external
resistor to GND disables the EL oscillator.
Ground Return.
Switch Node (Input): Internal high-voltage power MOSFET drain.
Regulated Boost Output (External Component): Connect to the output
capacitor of the boost regulator and connect to the cathode of the diode.
EL Output: Connect to one end of the EL lamp. Polarity is not important.
EL Output: Connect to the other end of the EL lamp. Polarity is not impor-
tant.
1
2
3
4
2
8 VA
7
6
5
VB
CS
SW
August 2004
Micrel