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HV82FI, HV830, HV830LG-G

Table of contents:
Info of HV82FI
Info of HV830
Info of HV830LG-G

HV82FI, HV830, HV830LG-G Selling Leads, Datasheet

MFG:SUPERTEX Package Cooled:SOP8 D/C:2009+

HV82FI, HV830, HV830LG-G Datasheet download

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Part Number: HV82FI

MFG: SUPERTEX

Package Cooled: SOP8

D/C: 2009+

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HV830 General Description

The Supertex HV830 is a high-voltage driver designed for driving EL lamps of up to 50nF. EL lamps greater than 50nF can be driven for applications not requiring high brightness. The input supply voltage range is from 2.0V to 9.5V. 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 ±100V. The chip can be enabled by connecting the resistors on RSW-osc and REL-osc to V_DD and disabled when connected to GND.

The HV830 has two internal oscillators, a switching MOSFET,and a high-voltage EL lamp driver. The frequency for the switching converter 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 REL-osc pin and the V_DD pin. An external inductor is connected between the Lx and V_DD pins. A 0.01F to 0.1F capacitor is connected between C_S and GND. The EL lamp is connected between V_A and V_B.

The switching MOSFET charges the external inductor and discharges it into the Cs capacitor. The voltage at Cs will start to increase. Once the voltage at Cs reaches a nominal value of 100V, the switching MOSFET is turned OFF to conserve power. The outputs VA and VB are configured as an H-bridge and are switched in opposite states to achieve 200V peak-to-peak across the EL lamp.

HV830 Maximum Ratings

Supply Voltage, V_DD                              -0.5V to +10V
Output Voltage, V_Cs                            -0.5V to +120V
Operating Temperature Range         -25°C to +85°C
Storage Temperature Range         -65°C to +150°C
Power Dissipation                                          400mW

Note:
*All voltages are referenced to GND.

HV830 Features

` Processed with HVCMOS® technology
` 2.0V to 9.5V operating supply voltage
` DC to AC conversion
` 200V peak-to-peak typical output voltage
` Large output load capability typically 50nF
` 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
` Very low standby current 30nA typical

HV830 Typical Application

· Handheld personal computers
· Electronic personal organizers
· GPS units
· Pagers
· Cellular phones
· Portable instrumentation

HV830 Connection Diagram

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