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MIC2545A-2YN Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC2545A-2YN Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 18 page Micrel, Inc. MIC2545A/2549A June 2011 3 M9999-062711-A Pin Configuration 8-Pin SOP (M) 8-Pin DIP (N) 14-Pin TSSOP (TS) Pin Description Pin Number SOP, DIP Pin Number TSSOP Pin Name Pin Function 1 1 EN Enable (Input): Logic-compatible enable input ( −1 version is active high, −2 version is active low). High input >1.8V typical; low input <1.4V typical. Do not float. MIC2549A only: Also resets thermal-shutdown latch. 2 3 FLG Fault Flag (Output): Active-low, open-drain output. Indicates overcurrent or thermal shutdown. MIC2549A only: Latched low on thermal shutdown. 3 5 GND Ground: supply return. 4 7 ILIM Current Limit: Sets current-limit threshold using an external resistor (RSET) connected to ground. 76.8Ω < RSET < 459Ω. 5, 7 8, 12 IN Supply Input: Output MOSFET drain. Also powers internal circuitry. Both IN pins must be externally connected together. 6, 8 10, 14 OUT Switch Output: Output MOSFET source. Both OUT pins must be externally connected together. 2, 4, 6, 9, 11, 13 NC Not internally connected. |
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