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SI9105 Datasheet(PDF) 2 Page - Vishay Siliconix |
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SI9105 Datasheet(HTML) 2 Page - Vishay Siliconix |
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2 / 7 page  Si9105 Vishay Siliconix www.vishay.com 2 Document Number: 70003 S-42030—Rev. H, 15-Nov-04 ABSOLUTE MAXIMUM RATINGS Voltages Referenced to −VIN (VCC < +VIN + 0.3 V) VCC 15 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +VIN 120 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VDS 200 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ID (Peak) (300 ms pulse, 2% duty cycle) 2 A . . . . . . . . . . . . . . . . . . . . . . . . . . . ID (rms) 250 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Logic Inputs (RESET, SHUTDOWN, OSC IN) −0.3 V to VCC + 0.3 V . . . . . . . . . . . . . . . . . . . . . . . . . Linear Inputs (FEEDBACK, SOURCE) −0.3 V to 7 V . . . . . . . . . . . . . . . . . . . HV Pre-Regulator Input Current (continuous) 5 mA . . . . . . . . . . . . . . . . . . . . . Storage Temperature −65 to 125_C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Temperature −40 to 85_C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Junction Temperature (TJ) 150_C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Dissipation (Package)a 14-Pin Plastic DIP (J Suffix)b 750 mW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-Pin Plastic Wide-Body SOIC (W Suffix)c 900 mW . . . . . . . . . . . . . . . . . . . 20-Pin PLCC (N Suffix)d 1400 mW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Thermal Impedance (QJA) 14-Pin Plastic DIP 167_C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-Pin Plastic Wide-Body SOIC 140_C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-Pin PLCC 90_C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Notes a. Device mounted with all leads soldered or welded to PC board. b. Derate 6 mW/_C above 25_C c. Derate 7.2 mW/_C above 25_C d. Derate 11.2 mW/_C above 25_C Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. RECOMMENDED OPERATING RANGE Voltages Referenced to −VIN VCC 10 V to 13.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +VIN 10 V to 120 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . fOSC 40 kHz to 1 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ROSC 25 kW to 1 MW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Linear Inputs 0 to VCC − 3 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Digital Inputs 0 to VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SPECIFICATIONSa Test Conditions Unless Otherwise Specified Limits Parameter Symbol DISCHARGE = −VIN = 0 V VCC = 10 V, +VIN = 48 V RBIAS = 820 kW, ROSC = 910 kW Tempb Minc Typd Maxc Unit Reference Output Voltage VR OSC IN = VIN (OSC Disabled) RL = 10 MW Room 3.92 4.00 4.08 V Output Impedancee ZOUT OSC IN = −VIN Room 15 300 45 kW Short Circuit Current ISREF OSC IN = − VIN, VREF = −VIN Room 70 100 130 mA Temperature Stabilitye TREF OSC IN = −VIN Full 0.25 1.0 mV/_C Long Term Stabilitye t = 1000 hrs, TA = 125_C Room 5.00 25.00 mV Oscillator Maximum Frequencye fMAX ROSC = 0 Room 1 3 MHz Initial Accuracy fOSC See Note e Room 32 40 48 kHz Voltage Stability Df/f Df/f = f (13.5 V) − f (9.5 V)/f (9.5 V) Room 10 15 % Temperature Coefficiente TOSC Full 200 500 ppm/_C Error Amplifier Feedback Input Voltage VFB FB Tied to COMP OSC IN = −VIN (OSC Disabled) Room 3.96 4 4.04 V Input BIAS Current IFB OSC IN = −VIN, VFB = 4 V Room 25 500 nA Open Loop Voltage Gaine AVOL OSC IN = −VIN (OSC Disabled) Room 60 80 dB Input Offset Voltage VOS Room "15 "40 mV Unity Gain Bandwidthe BW OSC IN = −VIN Room 0.5 0.8 MHz Dynamic Output Impedance ZOUT IN Room 1 kW Output Current IOUT Source (VFB = 3.4 V) Room −1.2 −0.32 mA Output Current IOUT Sink (VFB = 4.5 V) Room 0.05 0.08 mA Power Supply Rejection PSRR 10 V v VCC v 13.5 V Room 70 dB |
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