전자부품 데이터시트 검색엔진 |
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TC1240ECH 데이터시트(PDF) 6 Page - Microchip Technology |
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TC1240ECH 데이터시트(HTML) 6 Page - Microchip Technology |
6 / 11 page TC1240 © 2001 Microchip Technology Inc. 6 TC1240-1 7/7/00 DS21333A Positive Doubling Charge Pump with Shutdown in SOT Package Figure 6 is a schematic of the TC1240 Demo Card, and Figure 7 shows the assembly drawing and artwork for the board. Table 3 lists the voltages that are monitored by the test points and Table 4 lists the currents that can be measured using the jumpers or the specific jumper function. Figure 7. TC1240 Demo Card Assembly Drawing and Artwork Table 3. TC1240 Demo Card Test Points TEST POINT VOLTAGE MEASUREMENT TP1 DEMO CARD POWER SUPPLY INPUT[+2.5V to +4.0V] TP2 GROUND TP3 GROUND TP4 TC1240 OUTPUT (2 x VIN) TP5 TC1240 SHDN INPUT TP6 TC1240 VIN SUPPLY VOLTAGE TP7 EXTERNAL SHDN INPUT Table 4. TC1240 Demo Card Jumpers JUMPER CURRENT MEASUREMENT / JUMPER FUNCTION J1 TC1240 QUIESCENT CURRENT J2 TC1240 LOAD CURRENT J3 TC1240 SHDN INPUT CURRENT J4 CONNECT EXTERNAL SHDN INPUT TO VIN (i.e. SHDN ENABLE) |
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