HV833, HV833MG/H833, HV839MG Selling Leads, Datasheet
MFG:HV Package Cooled:MSOP-8 D/C:04+
HV833, HV833MG/H833, HV839MG Datasheet download
Part Number: HV833
MFG: HV
Package Cooled: MSOP-8
D/C: 04+
HV833, HV833MG/H833, HV839MG
- Table of contents:
Info of HV833
Info of HV833MG/H833
Info of HV839MG
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About HV833
PDF/DataSheet Download
Datasheet: HV833
File Size: 513100 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 HV839MG-G
PDF/DataSheet Download
Datasheet: HV839MG-G
File Size: 361342 KB
Manufacturer: SUTEX [Supertex, Inc]
Download : Click here to Download
HV833 General Description
The Supertex HV833 is a high voltage driver designed for driving EL lamps of up to 35nF (10-12in2). The input supply voltage range is from 1.8V to 6.5V. The device uses a single inductor and a minimum number of passive components. The nominal regulated output voltage that is applied to the EL lamp is ±90V. The chip can be enabled/disabled by connecting the resistor on R SW-OSC to VDD/ground.
The HV833 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 R SW-osc pin and the supply pin VDD. The EL lamp driver frequency is set by an external resistor connected between R EL-osc pin and the VDD pin. An external inductor is connected between the LX and VDD or VIN pins. A 0.003-0.1F capacitor is connected between CS and ground. The EL lamp is connected between VA and VB.
The switching MOSFET charges the external inductor and discharges it into the capacitor at CS. The voltage at CS will start to increase. Once the voltage at CS reaches a nominal value of 90V, 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 180V peak-to-peak across the EL lamp.
HV833 Maximum Ratings
Supply Voltage, VDD -0.5V to +7.5V
Output Voltage, VCs -0.5V to +100V
Operating Temperature Range -25° to +85°C
Storage Temperature Range -65°C to +150°C
MSOP-8 Power Dissipation 300mW
Note:
*All voltages are referenced to GND.
Output Voltage, VCs -0.5V to +100V
Operating Temperature Range -25° to +85°C
Storage Temperature Range -65°C to +150°C
MSOP-8 Power Dissipation 300mW
Note:
*All voltages are referenced to GND.
HV833 Features
· 1.8V to 6.5V operating supply voltage
· DC to AC conversion
· Separately adjustable lamp and converter frequency
· Output voltage regulation
· Enable/disable function
· Patented output timing for high efficiency
· <100nA shutdown current
· Split supply capability
· LCD backlighting
· DC to AC conversion
· Separately adjustable lamp and converter frequency
· Output voltage regulation
· Enable/disable function
· Patented output timing for high efficiency
· <100nA shutdown current
· Split supply capability
· LCD backlighting
HV833 Typical Application
· Portable Transceivers
· Remote Control Units
· Calculators
· PDAs
· Global Positioning Systems (GPS)
· Remote Control Units
· Calculators
· PDAs
· Global Positioning Systems (GPS)
HV833 Connection Diagram
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