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MIC2547-1BTS Datasheet(PDF) 2 Page - Micrel Semiconductor |
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MIC2547-1BTS Datasheet(HTML) 2 Page - Micrel Semiconductor |
2 / 12 page MIC2546/2547 Micrel MIC2546/2547 2 June 2000 Pin Configuration 1 INA OUTA ENA NC FLGA GNDB ILIMB OUTB 16 OUTA ILIMA GNDA FLGB ENB OUTB NC INB 15 14 13 12 11 10 9 2 3 4 5 6 7 8 MIC2546/2547 16-Pin SOP (M) 16-Pin TSSOP (TS) Ordering Information Part Number Enable Latch* Temperature Range Package MIC2546-1BM Active High –40 °C to +85°C 16-pin SOP MIC2546-1BTS Active High –40 °C to +85°C 16-pin TSSOP MIC2546-2BM Active Low –40 °C to +85°C 16-pin SOP MIC2546-2BTS Active Low –40 °C to +85°C 16-pin TSSOP MIC2547-1BM Active High •–40 °C to +85°C 16-pin SOP MIC2547-1BTS Active High •–40 °C to +85°C 16-pin TSSOP MIC2547-2BM Active Low •–40 °C to +85°C 16-pin SOP MIC2547-2BTS Active Low •–40 °C to +85°C 16-pin TSSOP * Thermal Shutdown Latch LOGIC, CHARGE PUMP (OUTA) (INA) (ENA) (FLGA) MIC2546/2547 (ILIMA) LOGIC, CHARGE PUMP (OUTB) (INB) (ENB) (FLGB) (ILIMB) (GND) Functional Pinout Pin Description Pin Number Pin Name Pin Function 1 INA Input A: Output A MOSFET drain. Also supplies internal circuitry. 2, 16 OUTA Switch A (Output): Output A MOSFET source. Pins 2 and 16 must be externally connected. 3 ENA Enable A (Input): Logic-compatible enable input. Active-high (–1) or active- low (–2). High input >1.7V typical; low input <1.5V typical. Do not float. MIC2547 only: Also resets thermal shutdown latch. 4, 10 NC Not internally connected. 5 FLGA Fault Flag A (Output): Active-low, open-drain output. Indicates overcurrent or thermal shutdown conditions. MIC2547 only: latched low on thermal shutdown. 6, 14 GNDB, GNDA Ground. Both pins must be connected to GND. 7 ILIMB Current Limit Channel B: Sets current-limit threshold using an external resistor, R SET, connected to ground. 154Ω < RSET < 2.29kΩ. 8, 11 OUTB Switch B (Output): Pins 8 and 11 must be externally connected. 9 INB Input B 12 ENB Enable B (Input) 13 FLGB Fault Flag B (Output) 15 ILIMA Current Limit Channel A. |
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