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MAX4990ETD+T
Ballast Controller, EL Lamp Driver, 2.4V to 5.5V Supply, TDFN-14
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- MAX4990ETD+T
- Newark Part No.:
- 73Y4636
- Technical Datasheet:
- MAX4990ETD+T Datasheet
Product Overview
MAX4990ETD+T high-voltage, ±15KV ESD-protected electroluminescent lamp driver. This high-voltage DC-AC converter ideal for driving electroluminescent (EL) lamps. It features a wide +2.4V to +5.5V input range that allows the device to accept a wide variety of voltage sources such as single-cell lithium-ion (Li+) batteries and higher voltage battery chargers. The lamp outputs of device generate up to 250V peak-to-peak output voltage for maximum lamp brightness. It utilizes an inductor-based boost converter to generate high voltage necessary to drive an EL lamp. Boost-converter switching frequency is set with combination of an external capacitor connected from SW to GND and an external resistor connected from SLEW to GND. It uses a high-voltage full-bridge output stage to convert high voltage generated by boost converter to AC waveform suitable for driving EL panel. Applications include keypad backlighting, MP3 players, LCD backlighting, PDAs/smartphones, automotive instrument, clusters.
- ESD protected EL lamp outputs
- ±15KV human body model, ±4KV IEC 61000-4-2 contact discharge, ±15KV IEC 61000-4-2 air-gap discharge
- 250VP-P (max) output for highest brightness
- Wide +2.4V to +5.5V input voltage range
- Resistor adjustable slew-rate control for audible noise reduction
- Externally driven lamp and switching converter frequencies
- Capacitor-adjustable lamp and switching converter frequency
- Low 100nA shutdown current, capacitor adjustable for slow turn-on/-off
- DIM input for controlling output voltage through DC analog voltage, PWM, or resistor to GND
- 14 TDFN-EP package, ±15KV protection, DIM and slew rate control
Warnings
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
Product Information
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- :
- EL Lamp Driver
- :
- 2.4V
- :
- 5.5V
- :
- TDFN
- :
- 14Pins
- :
- -40°C
- :
- 85°C
- :
- -
- :
- -
Technical Documents (1)
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Extra stock is available upon order to the Supplier Lead Time which is approximately 9/25/23
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UK stock items are coming from our UK warehouse. Delivery time is 2-4 business days for in stock items.
Delivery in 2-4 business days
(UK Stock)
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Monday to Friday excluding National Holidays
Due to market conditions delivery times are for general guidance only and may be subject to change at short notice
$11.36
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