HV8233363, HV823LG M908, HV824 Selling Leads, Datasheet
MFG:N/A Package Cooled:00+ D/C:SOP-3.9-8P
HV8233363, HV823LG M908, HV824 Datasheet download
Part Number: HV8233363
MFG: N/A
Package Cooled: 00+
D/C: SOP-3.9-8P
HV8233363, HV823LG M908, HV824
- Table of contents:
Info of HV8233363
Info of HV823LG M908
Info of HV824
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About HV803
PDF/DataSheet Download
Datasheet: HV803
File Size: 82657 KB
Manufacturer: SUTEX [Supertex, Inc]
Download : Click here to Download
About HV803
PDF/DataSheet Download
Datasheet: HV803
File Size: 82657 KB
Manufacturer: SUTEX [Supertex, Inc]
Download : Click here to Download
About HV803
PDF/DataSheet Download
Datasheet: HV803
File Size: 82657 KB
Manufacturer: SUTEX [Supertex, Inc]
Download : Click here to Download
HV824 General Description
The Supertex HV824 is a high voltage driver designed to drive EL lamps with capacitive loads of 2nF to 15nF. The input supply voltage range is 1.0V to1.6V.
The device uses a single inductor and a minimum number of passive components. Typical output voltage applied to the EL lamp is 120V to 150V peak-to-peak. The HV824 can be enabled/disabled by connecting the RSW resistor to VDD/ground. In die form, the device has an enable bar pad which enables the IC when it is at logic low.
The HV824 has two internal oscillators, a switching MOSFET, and a high voltage EL lamp driver. The frequency for the switching MOSFET is set by an external resistor connected between the Rsw-osc pin and the VDD pin. The EL lamp driver frequency is set by an external resistor connected between the REL-osc pin and the VDD pin. An external inductor is connected between the Lx and VDD pins.A 0.01mF to 0.1mF capacitor is connected between Cs and GND pins. The EL lamp is connected between VA and VB.
The switching MOSFET charges the external inductor and discharges it into the 0.01mF to 0.1mF capacitor at Cs. The voltage at CS will start to increase. Once the voltage at Cs reaches a nominal value of 75V, the switching MOSFET is turned OFF to conserve power. The outputs VA and VB are configured as an H-bridge and are switching in opposite states to achieve a maximum voltage of 180V peak-to-peak across the EL lamp.
HV824 Maximum Ratings
Supply Voltage, VDD -0.5V to +2.0V
Output Voltage, VCs -0.5V to +120V
Operating Temperature Range -25°C to +85°C
Storage Temperature Range -65°C to +150°C
Power Dissipation 400mW
Output Voltage, VCs -0.5V to +120V
Operating Temperature Range -25°C to +85°C
Storage Temperature Range -65°C to +150°C
Power Dissipation 400mW
HV824 Features
Processed with HVCMOS® technology
1.0V to 1.6V supply voltage
DC to AC conversion
Permits the use of high-resistance elastomeric lamp connectors
Adjustable output lamp frequency to control lamp color, lamp life, and power consumption
Adjustable converter frequency to eliminate harmonics and optimize power consumption
Enable/disable function
Low current draw under no load condition
1.0V to 1.6V supply voltage
DC to AC conversion
Permits the use of high-resistance elastomeric lamp connectors
Adjustable output lamp frequency to control lamp color, lamp life, and power consumption
Adjustable converter frequency to eliminate harmonics and optimize power consumption
Enable/disable function
Low current draw under no load condition
HV824 Typical Application
Pagers
Portable Transceiver
Portable Instrumentation
Cellular Phones
Portable Transceiver
Portable Instrumentation
Cellular Phones
HV824 Connection Diagram
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