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HV857K7-G

Display Drivers & Controllers High Voltage Low Noise EL Lamp

Product Category: Display Drivers & Controllers
Mfr. Part #
HV857K7-G
Manufacturer: Microchip
Package: Reel
Lead Free Status /RoHS Status:
Data Sheet: HV857K7-G Datasheet
Inventory: In Stock

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Mfr. Part #: HV857K7-G

Specifications
Product Details

Specifications

Manufacturer Microchip

Product Drivers

Operating Supply Voltage 5 V

Minimum Operating Temperature - 40 C

Maximum Operating Temperature + 85 C

Mounting Style SMD/SMT

Package / Case DFN-8

Packaging Reel

Height 0.73 mm

Length 3 mm

Width 3 mm

Brand Microchip Technology

Product Type Display Drivers & Controllers

Standard Pack Qty 3300

Subcategory Driver ICs

Product Details

General Description

The Supertex HV857 is a high voltage driver designed for driving Electroluminescent (EL) lamps of up to 5 square inches. The input supply voltage range is from 1.8V to 5.0V. 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 Â±95V. The chip can be enabled/disabled by connecting the resistor on Rsw-osc to VDD/ground.

Features

â Patent pending audible noise reduction
â Patent pending lamp aging compensation
â 190VPP output voltage for higher brightness
â Patented output timing for high efficiency
â Single cell lithium ion compatible
â 150nA shutdown current
â Wide input voltage range 1.8V to 5.0V
â Separately adjustable lamp and converter frequencies
â Output voltage regulation
â Split supply capability

Applications

â LCD backlighting
â Mobile cellular phones
â PDAs
â Handheld wireless communication products
â Global Positioning Systems (GPS)

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Mfr. Part #: HV857K7-G