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HV852K7-G

High Voltage, Low Noise, Inductorless EL Lamp Driver.

Manufacturer: Microchip Technology, Inc
Mfr.Part #: HV852K7-G
Datasheet: HV852K7-G Datasheet (PDF)
Package/Case: WDFN-10
Product Type: Optoelectronics
RoHS:
Lifecycle: Active
EDA/CAD Models: Request Free CAD Models for HV852K7-G

Email: [email protected]

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Tel: +852 95804164

HV852K7-G General Description

HV852 is a high voltage, low noise, inductorless EL (electroluminescent) lamp driver. It is designed to drive EL lamps of up to 1.5in2, with capacitive values up to 5.3nF over an input voltage range of 2.4 to 5.0V. The HV852 converts a low voltage DC input to a high voltage AC output across an EL lamp. It uses a charge pump scheme to boost the input voltage eliminating the need for an external inductor, diode, and high voltage capacitor commonly found in conventional topologies.The charge pump circuit discharges its energy into an EL lamp through a high voltage H-bridge. Once the voltage reaches its regulated limit, it is turned off to conserve power. The EL lamp is then discharged to ground and the H-bridge changes state to allow the charge pump to charge the EL lamp in the opposite direction.

Key Features

No external components required when using an external EL clock frequency
EL frequency can be set by an external resistor
Low Noise
DC to AC converter
Drives up to 5.3nF (approx. 1.5in2 lamp) load
Output voltage regulation
Enable function
EL Lamp dimming

Microchip Technology, Inc Original Stock

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)Lighting, Ballast Controllers	Mfr	Microchip Technology
Series	-	Package	Tape & Reel (TR)
Product Status	Active	Type	EL Lamp Driver
Frequency	50Hz ~ 500Hz	Voltage - Supply	2.4V ~ 5V
Current - Supply	15.2 mA	Current - Output Source/Sink	-
Dimming	Yes	Operating Temperature	-25°C ~ 85°C
Mounting Type	Surface Mount	Package / Case	10-WFDFN Exposed Pad
Supplier Device Package	10-DFN (3x3)	Base Product Number	HV852