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| LX1801 "SPARK" for MED427A-1 CARLSBAD DIVISION TARGET DATASHEET DESCRIPTION KEY FEATURES Low peak current consumption: <2mA 3V operation 2 Small form factor: 1.45mm Double/single output voltage option Solder bumped die The MSC-LX1801 is the IC1 "Spark" for the MED427A-1 module. The "Spark" chip has an oscillator, a voltage doubler, and a level shifter. The oscillator is a "555" timer variant where the external resistor (Rref) determines the frequency. The voltage doubler increases the output (OUT) of the oscillator by a factor of 2 (times VDDLO). The voltage doubler also provides a single output voltage if disabled (EN2x). This level shifter shifts voltage inputs from the lower voltage (VDDlo) to the higher voltage (VDDhi). * * * * * W W W.Microsemi .COM IMPORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com BLOCK DIAGRAM EN2X VDDlo Ref RREF ENhi VDDhi ENlo VSS Voltage Doubler 2x OUThi Oscillator VSS VDDlo Level Shifter OUTlo Simplified Block Diagram LX1801 LX1801 TJ (C) 10 to 55 PACKAGE ORDER INFO Package Number LX1801 Copyright 2001 Rev. 0.2b, 2002-06-17 Microsemi Carlsbad Division 5973 Aveniva Encinas, Suite 101, Carlsbad 92008, Fax (760) 431-0541 1 LX1801 "SPARK" for MED427A-1 CARLSBAD DIVISION TARGET DATASHEET ABSOLUTE MAXIMUM RATINGS Input Upper Supply Voltage (VDDhi)........................................................ 0.0V to +20.0V Input Lower Supply Voltage (VDDlo) ......................................................... 0.0V to +4.0V ESD Voltage ................................................................................................................. 2kV Storage Temperature Range(TSTOR)..................................................................0C to 55C Storage humidity...............................................................................................10% to 90% PACKAGE PIN OUT W W W.Microsemi .COM 9 10 5 4 3 2 1 8 Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground. Currents are positive into, negative out of specified terminal. 16 (Bottom View) 15 FUNCTIONAL PIN DESCRIPTION PIN NAME OUT 1X_OUT OUT_LO VDDLO VSS VDDHI EN_LO EN_HI RREF EN2X PIN NO 16 PIN DIP 1 15 16 8 9 10 5 4 3 2 2x AC output to close IGBT switch 1x AC output to close IGBT switch DC output to close IGBT switch Lower supply voltage Ground Higher supply voltage Enable lower IGBT input Enable upper IGBT input Reference resistor for oscillator frequency Enable 2x out (When disabled, 1x out) DESCRIPTION EXTERNAL COMPONENTS Symbol Value Tolerance Function PACKAGE DATA PACKAGE DATA RREF 33k 5% Determines oscillator frequency Copyright 2001 Rev. 0.2b, 2002-06-17 Microsemi Carlsbad Division 5973 Aveniva Encinas, Suite 101, Carlsbad 92008, Fax (760) 431-0541 2 LX1801 "SPARK" for MED427A-1 CARLSBAD DIVISION TARGET DATASHEET OPERATING CONDITIONS Parameter Higher supply voltage Lower supply voltage Operating temperature Symbol VDDhi VDDlo Min 15 2.6 31 Typ 16 3.0 37 Max 20 3.4 43 Unit V V W W W.Microsemi .COM TAMB C ELECTRICAL CHARACTERISTICS Unless otherwise specified, the following specifications apply over the operating ambient temperature TA=37C except where otherwise noted. Test conditions: VDDHI=16V, EN2X=VDDLO=3.0V, VSS=0V, VDDHI impedance=2kOhm, OUThi load=5pF, OUTlo load=3nF Parameter Symbol Test Conditions LX1801 Typ Units Min Max Average operating current Oscillator operating current Standby operating current Frequency output Voltage drop limit for OUThi -max VSS+Vlim,hi -min VDDhi-Vlim,hi Voltage drop limit for OUTlo -max VSS+Vlim,hi -min VDDhi-Vlim,hi Rise time for OUThi Rise time for OUTlo Fall time for OUThi Fall time for OUTlo Enable time for OUThi Enable time for OUTlo Disable time for OUThi Disable time for OUTlo Average operating current IDDavg,hi -ENhi & Enlo=VDDlo -Measure from VDDhi -no load IDDosc -ENhi=VDDlo -ENlo=VSS -Measure from VDDlo -no load IDDStdby -ENhi & Enlo=VSS -Measure from VSS -no load f -ENhi=VDDlo -ENlo=VSS -no load Vlim,hi -ENhi & Enlo=VDDlo Vlim,lo -ENhi & Enlo=VDDlo 100 uA 3 mA 1 nA 10 MHz 1V 1V trise,hi trise,lo tfall,hi tfall,lo ten,hi ten,lo tdis,hi tdis,lo IDDavg,hi -10%-90%*VDDhi -10%-90%*VDDhi -90%-10%*VDDhi -90%-10%*VDDhi -Measure ENhi=90%*VDDlo to OUThi=90%*VDDhi -Measure ENlo=90%*VDDlo to OUTlo=90%*VDDhi -Measure ENhi=10%*VDDlo to OUThi=10%*VDDhi -Measure ENlo=10%*VDDlo to OUTlo=10%*VDDhi -ENhi & Enlo=VDDlo -Measure from VDDhi -no load 10 us 10 us 10 us 10 us 10 us 10 us 300 us 300 us 100 uA E ELECTRICALS Copyright 2001 Rev. 0.2b, 2002-06-17 Microsemi Carlsbad Division 5973 Aveniva Encinas, Suite 101, Carlsbad 92008, Fax (760) 431-0541 3 LX1801 "SPARK" for MED427A-1 CARLSBAD DIVISION TARGET DATASHEET MECHANICALS W W W.Microsemi .COM 10-Pin Bare Die Dim X Y (1169, 677) (59, 909) (262, 914) (466, 909) (691, 909) (922, 909) (1145, 909) MILLIMETERS MIN MAX 1.40 1.14 INCHES MIN MAX 0.055 0.045 Note: 1. Dimensions do not include mold flash or protrusions; these shall not exceed 0.155mm(.006") on any side. Lead dimension shall not include solder coverage. (293, 50) (510, 54) (1073, 50) (0,0) Pad Locations are (Xmin, Ymin) and are in um MECHANICALS MECHANICALS Copyright 2001 Rev. 0.2b, 2002-06-17 Microsemi Carlsbad Division 5973 Aveniva Encinas, Suite 101, Carlsbad 92008, Fax (760) 431-0541 4 |
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