MOS gate driver integrated circuit for ballast circuits

Details MOS gate driver integrated circuit for ballast circuits MOS gate driver integrated circuit for ballast circuits

Filed on

1994-09-01

Date issued

1996-08-27

Examiner

Pascal, Robert

Patent Class

Electric lamp and discharge devices: systems

SubClass

Periodic switch in the supply circuit

SubSubClass

Silicon controlled rectifier ignition

Other Related Categories

315224, 315225, 315DIG7, 315219, 315360, 363 49, H05B 4100

Type

Patent

Status

active

Patent number

055504361

Description

ABSTRACT:
A monolithic MOS gate driver chip is described for driving high side and low side power MOSFETs in a gas discharge lamp ballast circuit. The chip includes a timer circuit for generating a square output at the natural frequency of resonance of the lamp ballast. Dead time circuits are provided in the chip to prevent the simultaneous conduction of both high side and low side MOSFETs. The chip may be housed in an eight pin DIP package.

REFERENCES:
patent: 5001400 (1991-03-01), Nilssen
Peter N. Wood, "Electronic Ballasts Using Cost-Saving IR2155 Driver," Application Notes, AN-995, International Rectifier, Feb.'94.
"High Voltage Versatility", Electronics World & Wireless World, pp. 837-839, Oct. 1994.

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