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SI91846DT-285-T1 データシート(PDF) 2 Page - Vishay Siliconix |
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SI91846DT-285-T1 データシート(HTML) 2 Page - Vishay Siliconix |
2 / 9 page Si91845/6 Vishay Siliconix www.vishay.com 2 Document Number: 71733 S-40591—Rev. B, 29-Mar-04 ABSOLUTE MAXIMUM RATINGS Absolute Maximum Ratings Input Voltage, VIN to GND −6.0 to 6.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ERROR, VSD (See Detailed Description) −0.3 V to VIN . . . . . . . . . . . . . . . . . . . . . . . Output Current, IOUT Short Circuit Protected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output Voltage, VOUT −0.3 V to VIN + 0.3 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package Power Dissipation, (Pd)b 440 mW . . . . . . . . . . . . . . . . . . . . . . . . . . . Package Thermal Resistance, (qJA)a 180_C/W . . . . . . . . . . . . . . . . . . . . . . . . . Maximum Junction Temperature, TJ(max) 150_C . . . . . . . . . . . . . . . . . . . . . . . Storage Temperature, TSTG −65_C to 150_C . . . . . . . . . . . . . . . . . . . . . . . . . . Notes a. Device mounted with all leads soldered or welded to PC board. b. Derate 5.5 mW/_C above TA = 70_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 Input Voltage, VIN 2 V to 6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input Voltage, VSD 0 V to VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Ambient Temperature, TA −40_C to 85_C . . . . . . . . . . . . . . . . . . . . CIN = COUT = 1 mF (ceramic) Maximum ESR of COUT: 0.4 W SPECIFICATIONS Test Conditions Unless Specified TA = 25_C, VIN = VOUT(nom) + 1 V, IOUT = 1 mA, Limits −40 to 85_C Parameter Symbol TA = 25_C, VIN = VOUT(nom) + 1 V, IOUT = 1 mA, CIN = 1 mF, COUT = 1.0 mF, VSD = 1.5 V Tempa Minb Typc Maxb Unit Input Voltage Range VIN Full 2 6 V Output Voltage Accuracy 1 mA v IOUT v 150 mA Room −1.5 1 1.5 % Output Voltage Accuracy 1 mA v IOUT v 150 mA Full −2.5 1 2.5 % Line Regulation (VOUT v 3 V) Full −0.06 0.18 Line Regulation (3.0 V < VOUT v3.6 V) DVOUT 100 DVIN VOUT(nom) From VIN = VOUT(nom) + 1 V to VOUT(nom) + 2 V Full 0 0.3 %/V Line Regulation (5-V Version) IN OUT(nom) From VIN = 5.5 V to 6 V Full 0 0.4 IOUT = 1 mA Room 1 Dt V lt dg IOUT = 50 mA Room 45 80 Dropout Voltaged, g (VOUT(nom) w 2.6 V) IOUT = 50 mA Full 50 90 (VOUT(nom) w 2.6 V) IOUT = 150 mA Room 130 180 VIN − VOUT IOUT = 150 mA Full 220 mV VIN VOUT IOUT = 50 mA Room 65 100 mV Dropout Voltaged, g IOUT = 50 mA Full 120 Dropout Voltaged, g (VOUT(nom) t 2.6 V, VIN w 2 V) IOUT = 150 mA Room 190 250 () IOUT = 150 mA Full 300 IOUT = 0 mA Room 100 150 Ground Pin Currente, g IOUT = 0 mA Full 180 Ground Pin Currente, g (VOUT(nom) v 3 V) IOUT = 150 mA Room 110 200 () IGND IOUT = 150 mA Full 230 mA IGND IOUT = 0 mA Room 110 170 mA Ground Pin Currente, g IOUT = 0 mA Full 200 Ground Pin Currente, g (VOUT(nom) u 3 V) IOUT = 150 mA Room 120 200 () IOUT = 150 mA Full 230 Peak Output current IO(peak) VOUT w 0.95 x VOUT(nom). tPW = 2 ms Full 300 mA Output Noise Voltage eN VNOM = 2.6 V, BW = 10 Hz to 100 kHz, 0 mA t IOUT t 150 mA Room 30 mV(rms) f = 1 kHz Room 60 Ripple Rejection DVOUT/DVIN IOUT = 150 mA f = 10 kHz Room 40 dB pp j OUT IN OUT f = 100 kHz Room 30 |
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