sp4425cn Exar Corporation, sp4425cn Datasheet
sp4425cn
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sp4425cn Summary of contents
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Electroluminescent Lamp Driver Low Voltage, Single Battery Operation (V > 1.1 VDC) BATTERY Inverter for EL Backlit Display Panels Externally Adjustable Internal Oscillator Low Current Standby Mode APPLICATIONS Pagers Digital Watches Backlit LCD Displays DESCRIPTION The ...
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ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions ...
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3.0V; Lamp Capacitance = 4nF with 100 Series resistance; Coil = 2mH/44ohms ...
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PIN DESCRIPTION Pin 1 – Capacitor input 1, connect Capacitor OSC from V to Pin 1 to set C frequency. SS OSC Pin 2 – Power supply common, connect to SS ground. ...
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The current in the inductor is time dependent and is set by the "ON" time of the coil switch: I=(V /L)t , where V is the voltage across the inductor. At the moment the switch ...
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Electroluminescent Technology What is electroluminescence lamp is basically a strip of plastic that is coated with a phosphorous material which emits light (fluoresces) when a high voltage (>40V) which was first applied across it, is removed or reversed. ...
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Pager Application C =180pF OSC V =1. – IN4148 NOTE: C =1800pF INT Keep coil as close to SP4425 as possible Typical SP4425 Application Circuit C =180pF OSC V =+1.5V IN IN4148 NOTE: C =1800pF INT Keep coil ...
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The following performance curves are intended to give the designer a relative scale from which to optimize specific applications. Absolute measurements may vary depending upon the brand of components chosen ...
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The following performance curves are intended to give the designer a relative scale from which to optimize specific applications. Absolute measurements may vary depending upon the brand of components chosen. Light Output 5 4.5 4 3.5 3 2.5 2 1.5 ...
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The following performance curves are intended to give the designer a relative scale from which to optimize specific applications. Absolute measurements may vary depending upon the brand of components chosen. SP4425 Total Supply Current vs. Temperature ...
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EL1 output; 32 charge steps per half cycle Figure 1. EL output voltage in discrete steps at EL1 output 32 coil pulses per half cycle; 94% duty cycle. Figure 2. Voltage pulses released from the coil to the EL driver ...
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The coil part numbers presented in this data sheet have been qualified as being suitable for the SP4425 product. Contact Sipex for applications assistance in choosing coil values not listed in this data sheet. Coil Manufacturers Coilcraft USA Coilcraft Taiwan ...
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... NSOIC 0.189/0.197 SP4425CN 0.150/0.157 0.228/0.244 0.014/0.019 1 95 SP4425CN per tube, no minimum quantity NSOIC-8 13" reels: P=8mm, W=12mm SOIC-8 13" reels: P=8mm, W=12mm Pkg. Minimum qty per reel CN 500 CU 500 SP4425DS/20 All package dimensions in inches 0.0256 BSC ...
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... ORDERING INFORMATION Model SP4425CN . ............................................ -40˚C to +85˚C ......................................... 8-Pin NSOIC SP4425CU . ............................................ -40˚C to +85˚C ......................................... 8-Pin SOIC SP4425CX .............................................. -40˚C to +85˚C ........................................................ Die SP4425NEB ..................................................... N/A ............................... NSOIC Evaluation Board SP4425UEB ..................................................... N/A ............................... SOIC Evaluation Board Please consult the factory for pricing and availability on a Tape-On-Reel option. Corporation ...