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SP4490EU/TR, SP4491, SP4491ES

Table of contents:
Info of SP4490EU/TR
Info of SP4491
Info of SP4491ES

SP4490EU/TR, SP4491, SP4491ES Selling Leads, Datasheet

MFG:Sipex Package Cooled:MSOP D/C:02+

SP4490EU/TR, SP4491, SP4491ES Datasheet download

Five Points

Part Number: SP4490EU/TR

MFG: Sipex

Package Cooled: MSOP

D/C: 02+

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SP4491 General Description

The SP4491 electroluminescent lamp driver provides designers of cell phones PDA's and other handheld, portable electronic devices with an integrated solution for driving two EL lamps independently or concurrently. The SP4491 reduces system cost, component count and board space requirements over a discrete 2-EL driver approach. The EL lamps operate in opposite phase so the SP4491 can be easily implemented in applications driving multi-color or multi-segment EL lamps. The SP4491 operates from a +2.2V to +6.0V battery source. The device features a low power standby mode which draws less than 1µA. The frequency of the internal oscillator is set using a single external resistor. A single external inductor is required to generate the high voltage AC outputs to drive the EL lamps. All input pins are ESD protected with internal diodes to V_DD and V_SS.

SP4491 Maximum Ratings

Power Supply, V_DD.................................................7.0V
Input Voltages, Logic.....................-0.3V to (V_DD+0.3V)
Lamp Outputs...................................................220V_P-P
Operating Temperature.........................-40˚C to +85˚C
Storage Temperature..........................-65˚C to +150˚C
Power Dissipation Per Package
10-pin MSOP
(derate 8.84mW/˚C above +70˚C)....................720mW

SP4491 Typical Application

Cellular Phones
PDA's
Handheld GPS Units
Security Systems
POS Terminals

SP4491 Connection Diagram

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