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HV8053, HV805I, HV809K2

Table of contents:
Info of HV8053
Info of HV805I
Info of HV809K2

HV8053, HV805I, HV809K2 Selling Leads, Datasheet

MFG:SUPERTEX Package Cooled:SOP8 D/C:06+

HV8053, HV805I, HV809K2 Datasheet download

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Part Number: HV8053

MFG: SUPERTEX

Package Cooled: SOP8

D/C: 06+

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HV8053 General Description

The Supertex HV8051 and HV8053 are high-voltage drivers designed for driving EL lamps of typically 4nF and 12nF for a 1V and 3V operation. The input supply voltage range is from 1.0V to 1.6V for HV8051 and 2.4V to 3.5V for HV8053. The device uses a single inductor and a minimum number of passive components. Typical output voltage that can be applied to the EL lamp is ±50V for HV8051 and ±70V for HV8053.

The HV8051/HV8053 has two internal oscillators, a switching bipolar junction transistor (BJT), and a high-voltage EL lamp driver. The frequency for the switching BJT is set by an external resistor connected between the R_sw-osc pin and the supply pin V_DD. The EL lamp driver frequency is set by an external resistor connected between R_EL-osc pin and the V^_DDpin. An external inductor is connected between the L_x and V_DD pins. A 0.1F capacitor is connected between Cs and GND pins. The EL lamp is connected between V_A and V_Bpins.

The switching BJT charges the external inductor and discharges it into the 0.1F capacitor at Cs. The voltage at C_s will start to increase. The outputs V_A and V_B are configured as an H bridge and are switching in opposite states to achieve a peak-to-peak voltage of two times the V_CS voltage across the EL lamp.

HV8053 Maximum Ratings

Supply voltage, V_DD                      -0.5V to +4.5V
Operating temperature range     -25°C to +85°C
Storage temperature range     -65°C to +150°C
SO-8 power dissipation                           400mW
Note:
*All voltages are referenced to GND.

HV8053 Features

·Processed with HVCMOS^® technology
·1.0V to 3.5V operating supply voltage
·DC to AC conversion
·Adjustable output lamp frequency to control lamp color, lamp life, and power consumption
·Adjustable converter frequency to eliminate harmonics and optimize power consumption

HV8053 Typical Application

·Pagers
·Portable transceiver
·Cellular phones
·Remote control units
·Calculators

HV8053 Connection Diagram

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