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LMZ14203 bảng dữ liệu(PDF) 2 Page - National Semiconductor (TI) |
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LMZ14203 bảng dữ liệu(HTML) 2 Page - National Semiconductor (TI) |
2 / 18 page Simplified Application Schematic 30107001 Connection Diagram 30107002 Top View 7-Lead TO-PMOD Ordering Information Order Number Package Type NSC Package Drawing Supplied As LMZ14203TZ-ADJ TO-PMOD-7 TZA07A 250 Units on Tape and Reel LMZ14203TZX-ADJ TO-PMOD-7 TZA07A 500 Units on Tape and Reel LMZ14203TZE-ADJ TO-PMOD-7 TZA07A 45 Units in a Rail Pin Descriptions Pin Name Description 1 VIN Supply input — Nominal operating range is 6V to 42V . A small amount of internal capacitance is contained within the package assembly. Additional external input capacitance is required between this pin and exposed pad. 2 RON On Time Resistor — An external resistor from V IN to this pin sets the on-time of the application. Typical values range from 25k to 124k ohms. 3 EN Enable — Input to the precision enable comparator. Rising threshold is 1.18V nominal; 90 mV hysteresis nominal. Maximum recommended input level is 6.5V. 4 GND Ground — Reference point for all stated voltages. Must be externally connected to EP. 5 SS Soft-Start — An internal 8 µA current source charges an external capacitor to produce the soft-start function. This node is discharged at 200 µA during disable, over-current, thermal shutdown and internal UVLO conditions. www.national.com 2 |
Số phần tương tự - LMZ14203_1 |
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Mô tả tương tự - LMZ14203_1 |
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