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TC1266VOA Folha de dados(PDF) 4 Page - Microchip Technology |
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TC1266VOA Folha de dados(HTML) 4 Page - Microchip Technology |
4 / 16 page TC1266 DS21377B-page 4 © 2002 Microchip Technology Inc. 2.0 PIN DESCRIPTIONS The descriptions of the pins are listed in Table 2-1. TABLE 2-1: PIN FUNCTION TABLE 3.0 DETAILED DESCRIPTION FIGURE 3-1: APPLICATION CIRCUIT Pin No. (8-Pin SOIC) (8-Pin MSOP) Symbol Description 1VIN Main input supply for the TC1266, nominally 5V. 2 NC Not connected. 3VAUX Auxiliary input supply, nominally 3.3V. 4 GND Logic and power ground. 5 NC Not connected. 6 SENSE Sense pin for VOUT.Connect to VOUT at theloadtominimizevoltage drop across PCB traces. 7VOUT LDO 3.3V output. 8DR Driver output for external P-channel MOSFET pass element. VIN NC VAUX GND NC SENSE VOUT DR U1 TC1266 1 2 3 4 5 6 7 8 NOTE: External switch (Q1): use Motorola MGSF1P02ELT1 or equivalent (PMOS, typical Gate Threshold Voltage = 1V, typical RDS(ON) = 0.4Ω at VGS = 2.5V) 5V 3.3V Q1 C1 0.1 µF C2 4.7 µF C3 0.1 µF C4 4.7 µF C5 0.1 µF 3.3V |
Nº de peça semelhante - TC1266VOA |
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Descrição semelhante - TC1266VOA |
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