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LM3502ITLX-44 数据表(PDF) 3 Page - National Semiconductor (TI) |
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LM3502ITLX-44 数据表(HTML) 3 Page - National Semiconductor (TI) |
3 / 18 page Pin Descriptions/Functions (Continued) ≤ 0.3V, the internal NMOS FET switch turns on and the SUB display turns off. When V En2 is ≥ 1.4V, the internal NMOS FET switch turns off and the SUB display turns on. The En2 pin has an internal pull down resistor, thus the internal NMOS FET switch is normally in the on state of operation with the SUB display turned off. If V En1 and VEn2 are ≤ 0.3V and V Cntrl is ≥ 1.4V, the LM3502 will enter a low I Q shutdown mode of operation where all the internal FET switches are off. If V OUT2 is not used, En2 must be grounded or floating and use En1 along with Cntrl, to enable the device. En1 (Bump A2): Enable pin for the internal PMOS FET switch (Figure 2: P1) during device operation. When V En1 is ≤ 0.3V, the internal PMOS FET switch turns on and the MAIN display is turned off. When V En1 is ≥ 1.4V, the internal PMOS FET switch turns off and the MAIN display is turned on. The En1 pin has an internal pull down resistor, thus the internal PMOS FET switch is normally in the on state of operation with the MAIN display turned off. If V En1 and VEn2 are ≤ 0.3V and V Cntrl is ≥ 1.4V, the LM3502 will enter a low I Q shutdown mode of operation where all the internal FET switches are off. If V OUT2 is not used, En2 must be grounded and use En1 a long with Cntrl, to enable the device. Ordering Information Voltage Option Order Number Package Marking Supplied As 16 LM3502ITL-16 SANB 250 units, Tape-and-Reel 16 LM3502ITLX-16 SANB 3000 units, Tape-and-Reel 16 LM3502SQ-16 L00048B 250 units, Tape-and-Reel 16 LM3502SQX-16 L00048B 3000 units, Tape-and-Reel 25 LM3502ITL-25 SAPB 250 units, Tape-and-Reel 25 LM3502ITLX-25 SAPB 3000 units, Tape-and-Reel 25 LM3502SQ-25 L00049B 250 units, Tape-and-Reel 25 LM3502SQX-25 L00049B 3000 units, Tape-and-Reel 35 LM3502ITL-35 SARB 250 units, Tape-and-Reel 35 LM3502ITLX-35 SARB 3000 units, Tape-and-Reel 35 LM3502SQ-35 L00044B 250 units, Tape-and-Reel 35 LM3502SQX-35 L00044B 3000 units, Tape-and-Reel 44 LM3502ITL-44 SDLB 250 units, Tape-and-Reel 44 LM3502ITLX-44 SDLB 3000 units, Tape-and-Reel 44 LM3502SQ-44 L00050B 250 units, Tape-and-Reel 44 LM3502SQX-44 L00050B 3000 units, Tape-and-Reel www.national.com 3 |
类似零件编号 - LM3502ITLX-44 |
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类似说明 - LM3502ITLX-44 |
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