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SI9140CY Datasheet(PDF) 2 Page - Vishay Siliconix |
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SI9140CY Datasheet(HTML) 2 Page - Vishay Siliconix |
2 / 19 page Si9140 Vishay Siliconix www.vishay.com 2 Document Number: 70026 S-40699—Rev. H, 19-Apr-04 ABSOLUTE MAXIMUM RATINGS Voltages Referenced to GND. VDD, VS 8 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PGND "0.3 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VDD to VS −0.3 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Linear Inputs −0.3 V to VDD +0.3 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Logic Inputs −0.3 V to VDD +0.3 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Peak Output Drive Current 350 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage Temperature −65 to 150_C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Junction Temperature 150_C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Dissipation (Package)a 16-Pin SOIC (Y Suffix)\b 900 mW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-Pin TSSOP (Q Suffix)c 925 mW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Thermal Impedance ( QJA) 16-Pin SOIC (Y Suffix) 140_C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-Pin TSSOP (Q Suffix) 135_C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Temperature C Suffix 0_ to 70_C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D Suffix −40_ to 85_C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Notes a. Device mounted with all leads soldered or welded to PC board. b. Derate 7.2 mW/_C above 25_C. c. Derate 7.4 mW/_C above 25_C. * Exposure to Absolute Maximum rating conditions for extended periods may affect device reliability. Stresses above Absolute Maximum rating may cause permanent . damage. Functional operation at conditions other than the operating conditions specified is not implied. Only one Absolute Maximum rating should be applied at any one time RECOMMENDED OPERATING RANGE Voltages Referenced to GND. VDD 3 V to 6.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VS 3 V to 6.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . fOSC 20 kHz to 2 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ROSC 5 kW to 250 kW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . COSC 47 pF to 200 pF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Linear Inputs 0 to VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digital Inputs 0 to VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VREF Load Resistance >150 kW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SPECIFICATIONS Test Conditions Unless Otherwise Specifieda 3 V v VDD v 6.5 V, VDD = VS Limits C Suffix 0 to 70_C D Suffix −40 to 85_C Parameter Symbol 3 V v VDD v 6.5 V, VDD = VS GND = PGND Minb Typ Maxb Unit Reference Output Voltage VREF IREF = −10 mA 1.455 1.545 V Output Voltage VREF TA = 25_C 1.477 1.50 1.523 V Oscillator Maximum Frequencyc fMAX VDD = 5 V, COSC = 47 pF, ROSC = 5.0 kW 2.0 Accuracy fOSC VDD = 5 V COSC = 100 pF, ROSC = 7.50 kW, TA = 25_C 0.85 1.0 1.15 MHz ROSC Voltage VROSC 1.0 V Voltage Stabilityc Df/f 4 V v VDD v 6 V, Ref to 5 V, TA = 25_C −8 8 % Temperature Stabilityc Df/f Referenced to 25_C "5 % Error Amplifier (COSC = GND, OSC DISABLED) Input Bias Current IFB VNI = VREF , VFB = 1.0 V −1.0 1.0 mA Open Loop Voltage Gain AVOL 47 55 dB Offset Voltage VOS VNI = VREF −15 0 15 mV Unity Gain Bandwidthc BW 10 MHz Output Current IEA Source (VFB = 1 V, NI = VREF) −2.0 −1.0 mA Output Current IEA Sink (VFB = 2 V, NI = VREF) 0.4 0.8 mA Power Supply Rejectionc PSRR 3 V < VDD < 6.5 V 60 dB UVLOSET Voltage Monitor Under Voltage Lockout VUVLOHL UVLOSET High to Low 0.85 1.0 1.15 V Under Voltage Lockout VUVLOLH UVLOSET Low to High 1.2 V Hysteresis VHYS VUVLOLH − VUVLOHL 175 mV |
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