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LM2853 数据表(PDF) 3 Page - Texas Instruments |
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LM2853 数据表(HTML) 3 Page - Texas Instruments |
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3 / 20 page ![]() Connection Diagram 20201503 Ordering Information Order Number Voltage Option Package Marking Package Type Package Drawing Supplied As LM2853MH-0.8 0.8 LM2853-0.8 TSSOP-14 exposed pad MXA14A 94 Units, Rail LM2853MHX-0.8 2500 Units, Tape and Reel LM2853MH-1.0 1.0 LM2853-1.0 94 Units, Rail LM2853MHX-1.0 2500 Units, Tape and Reel LM2853MH-1.2 1.2 LM2853-1.2 94 Units, Rail LM2853MHX-1.2 2500 Units, Tape and Reel LM2853MH-1.5 1.5 LM2853-1.5 94 Units, Rail LM2853MHX-1.5 2500 Units, Tape and Reel LM2853MH-1.8 1.8 LM2853-1.8 94 Units, Rail LM2853MHX-1.8 2500 Units, Tape and Reel LM2853MH-2.5 2.5 LM2853-2.5 94 Units, Rail LM2853MHX-2.5 2500 Units, Tape and Reel LM2853MH-3.0 3.0 LM2853-3.0 94 Units, Rail LM2853MHX-3.0 2500 Units, Tape and Reel LM2853MH-3.3 3.3 LM2853-3.3 94 Units, Rail LM2853MHX-3.3 2500 Units, Tape and Reel Note: Contact factory for other voltage options. Pin Descriptions Pin # Name Function 1 AVIN Input Voltage for Control Circuitry. 2 EN Enable. 3 SGND Low noise ground. 4 SS Soft-Start Pin. 5 NC No Connect. This pin must be tied to ground. 6,7 PVIN Input Voltage for Power Circuitry. 8,9 SW Switch Pin. 10,11 PGND Power Ground. 12,13 NC No-Connect. These pins must be tied to ground. 14 SNS Output Voltage Sense Pin. Exposed Pad EP The exposed pad is internally connected to GND, but it cannot be used as the primary GND connection. The exposed pad should be soldered to an external GND plane. www.national.com 2 |
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