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SI9181DB 数据表(PDF) 2 Page - Vishay Siliconix |
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SI9181DB 数据表(HTML) 2 Page - Vishay Siliconix |
2 / 11 page Si9181 Vishay Siliconix www.vishay.com 2 Document Number: 71119 S-50955—Rev. F, 16-May-05 ABSOLUTE MAXIMUM RATINGS Input Voltage, VIN 6.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SD Input Voltage, VSD −0.3 V to VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output Current, IOUT Short Circuit Protected . . . . . . . . . . . . . . . . . . . . . . . . . . Output Voltage, VOUT −0.3 V to VO(nom) + 0.3 V . . . . . . . . . . . . . . . . . . . . . . . . Maximum Junction Temperature, TJ(max) 150_C . . . . . . . . . . . . . . . . . . . . . . . Storage Temperature, TSTG −55_C to 150_C . . . . . . . . . . . . . . . . . . . . . . . . . . ESD (Human Body Model) 2 kV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Dissipation (Package)a 8-Pin TSSOP 833 mW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Thermal Impedance (QJA) 8-Pin TSSOPb 120_C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Notes a. Device mounted with all leads soldered or welded to PC board. b. Derate 8.3 mW/_C above TA = 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 Input Voltage, VIN 2 V to 6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output Voltage, VOUT (Adjustable Version) 1.5 V to 5 V . . . . . . . . . . . . . . . . . . SD Input Voltage, VSD 0 V to VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Ambient Temperature, TA −40_C to 85_C . . . . . . . . . . . . . . . . . . . . Operating Junction Temperature, TJ −40_C to 125_C . . . . . . . . . . . . . . . . . . . CIN = 2.2 mF, COUT = 2.2 mF (ceramic, X5R or X7R type) , CNOISE = 0.1 mF (ceramic) COUTRange = 1 mF to 10 mF ("10%, x5R or x7R type) CIN w COUT SPECIFICATIONS Test Conditions Unless Otherwise Specified V V 1 V I 1 A Limits −40 to 85_C Parameter Symbol VIN = VOUT(nom) + 1 V, IOUT = 1 mA CIN = 2.2 mF, COUT = 2.2 mF, VSD = 1.5 V Tempa Minb Typc Maxb Unit Output Voltage Range Adjustable Version Full 1.5 5 V Output Voltage Accuracy VOUT 1 mA v IOUT v 350 mA Room −1.5 1.5 % VO( ) Output Voltage Accuracy (Fixed Versions) OUT 1 mA v IOUT v 350 mA Full −2.5 2.5 % VO(nom) Feedback Voltage (ADJ Version) VADJ Room 1.191 1.215 1.239 V Feedback Voltage (ADJ Version) VADJ Full 1.179 1.251 V Line Regulation (Except 5-V Version) From VIN = VOUT(nom) + 1 V to VOUT(nom) + 2 V Full −0.18 0.18 Line Regulation (5-V Version) DVOUT 100 V V From VIN = 5.5 V to 6 V Full −0.18 0.18 %/V Line Regulation (ADJ Version) VIN VOUT(nom) VOUT = 1.5 V, From VIN = 2.5 V to 3.5 V Full −0.18 0.18 %/V Line Regulation (ADJ Version) VOUT = 5 V, From VIN = 5.5 V to 6 V Full −0.18 0.18 IOUT = 10 mA Room 5 20 Dropout Voltaged IOUT = 200 mA Room 85 180 Dropout Voltaged (@VOUT w 2 V) IOUT = 350 mA Room 150 400 VIN − VOUT IOUT = 350 mA Full 550 mV d IN OUT IOUT = 200 mA Room 170 250 Dropout Voltaged (@VOUT t 2 V, VIN w 2 V) IOUT = 350 mA Room 290 425 (@VOUT t 2 V, VIN w 2 V) IOUT = 350 mA Full 575 IOUT = 0 mA Room 150 IOUT = 200 mA Room 1000 Ground Pin Current IGND IOUT = 200 mA Full 1500 mA GND IOUT = 350 mA Room 1500 m IOUT = 350 mA Full 2800 |
类似零件编号 - SI9181DB |
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类似说明 - SI9181DB |
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