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TPS2115AIPWRQ1 Fiches technique(PDF) 2 Page - Texas Instruments |
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TPS2115AIPWRQ1 Fiches technique(HTML) 2 Page - Texas Instruments |
2 / 20 page TRUTH TABLE TPS2115A-Q1 SBVS124 – NOVEMBER 2008........................................................................................................................................................................................... www.ti.com ORDERING INFORMATION(1) TA PACKAGE(2) ORDERABLE PART NUMBER TOP-SIDE MARKING –40°C to 85°C TSSOP – PW Reel of 2000 TPS2115AIPWRQ1 2115AQ (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at www.ti.com. (2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging. D0 D1 VI(IN2) > VI(IN1) (1) STAT OUT(2) 0 0 X Hi-Z IN2 0 1 No 0 IN1 0 1 Yes Hi-Z IN2 1 0 X 0 IN1 1 1 X 0 Hi-Z (1) X = don’t care (2) The undervoltage lockout circuit causes the output OUT to go Hi-Z if the selected power supply does not exceed the IN1/IN2 UVLO, or if neither of the supplies exceeds the internal VDD UVLO. TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME NO. D0 2 I TTL- and CMOS-compatible input pins. Each pin has a 1- µA pullup. The Truth Table shows the functionality of D0 and D1. D1 3 I GND 5 I Ground Primary power switch input. The IN1 switch can be enabled only if the IN1 supply is above the UVLO IN1 8 I threshold and at least one supply exceeds the internal VDD UVLO. Secondary power switch input. The IN2 switch can be enabled only if the IN2 supply is above the UVLO IN2 6 I threshold and at least one supply exceeds the internal VDD UVLO. ILIM 4 I A resistor RILIM from ILIM to GND sets the current limit IL to 500/RILIM. OUT 7 O Power switch output Open-drain output that is Hi-Z if the IN2 switch is ON. STAT pulls low if the IN1 switch is ON or if OUT is Hi-Z STAT 1 O (i.e., EN is equal to logic 0). 2 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): TPS2115A-Q1 |
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