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データシートサーチシステム |
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データシートサーチシステム |
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LM2831XMF/NOPB データシート(PDF) 24 Page - Texas Instruments |
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LM2831XMF/NOPB データシート(HTML) 24 Page - Texas Instruments |
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24 / 39 page  LDO C5 U2 D2 L2 R1 R2 EN FB SW VINA VIND GND VO = 3.3V @ 1.5A VO = 5.0V @ 150mA C4 C6 C2 C3 D1 L1 U1 C1 LM2831 VIN = 5V LM2831 SNVS422D – AUGUST 2006 – REVISED SEPTEMBER 2015 www.ti.com 8.2.9 LM2831X Buck Converter and Voltage Double Circuit With LDO Follower Design Example 9 Figure 31. LM2831X (1.6 MHz): VIN = 5 V, VO = 3.3 V at 1.5 A and LP2986-5.0 at 150 mA Table 9. Bill of Materials PART ID PART VALUE MANUFACTURER PART NUMBER U1 1.5-A Buck Regulator TI LM2831X U2 200-mA LDO TI LP2986-5.0 C1, Input Cap 22 µF, 6.3 V, X5R TDK C3216X5ROJ226M C2, Output Cap 22 µF, 6.3 V, X5R TDK C3216X5ROJ226M C3 – C6 2.2 µF, 6.3 V, X5R TDK C1608X5R0J225M D1, Catch Diode 0.3 Vf Schottky 1.5 A, 30 VR TOSHIBA CRS08 D2 0.4 Vf Schottky 20 VR, 500 mA ON Semi MBR0520 L2 10 µH, 800 mA CoilCraft ME3220-103 L1 3.3 µH, 2.2 A TDK VLCF5020T-3R3N2R0-1 R2 45.3 k Ω, 1% Vishay CRCW08054532F R1 10.0 k Ω, 1% Vishay CRCW08051002F 24 Submit Documentation Feedback Copyright © 2006–2015, Texas Instruments Incorporated Product Folder Links: LM2831 |
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