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TC2574-VPA 数据表(PDF) 5 Page - TelCom Semiconductor, Inc |
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TC2574-VPA 数据表(HTML) 5 Page - TelCom Semiconductor, Inc |
5 / 25 page 5 TC2574 0.5A Step-Down Switching Regulator TC2574-1 1/6/00 CIN 22 µF COUT 220 µF +VIN 5 2 Sig GND PWR GND 43 7 1L1 330 µH Output D1 Feedback ON/OFF 7.0 – 40V Unregulated DC Input 5.0V Regulated Output 0.5A Load TC2574 + Figure 1. Block Diagram and Typical Application: Fixed Output Versions Figure 2. Test Circuit and Layout Guidelines CIN 22 µF COUT 220 µF VOUT VIN 5 4 Sig GND PWR GND 2 3 7 1 D1 1N5819 L1 330 µH Output Test CIrcuit and Layout Guidelines CIN - 22 µF, 60V, Aluminum Electrolytic COUT - 220µF, 25V, Aluminum Electrolytic D1 - Schottky, 1N5819 L1 - 2.0k,0.1% R2 - 6.12k, 0.1% VOUT = VREF (1.0 + R2) R1 ON/OFF 7.0 – 40V Unregulated DC Input TC2574 + + Load Fixed Output CIN 22 µF R2 6.12k R2 6.12k COUT 220 µF VOUT 5.0V VIN 5 4 Sig GND PWR GND 2 3 7 1 D1 1N5819 L1 330 µH Output Where VREF = 1.23V, R1 between 1.0k Ω and 5.0kΩ Adjustable Output Voltage Versions ON/OFF 7.0 – 40V Unregulated DC Input TC2574 + + Load Adjustable R1= R2 (VOUT - 1.0) VREF |
类似零件编号 - TC2574-VPA |
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类似说明 - TC2574-VPA |
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