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MA7201 数据表(PDF) 4 Page - Major-Power Technology Co., LTD. |
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MA7201 数据表(HTML) 4 Page - Major-Power Technology Co., LTD. |
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4 / 6 page ![]() 4/6 MA7201 Major Power Technology Co., Ltd. Rev.1.2 Nov.09, 2017 APPLICATION CIRCUIT MA7201 1 4 3 2 VDD 12V L2 GND D1 L1 DOB DO C1 C2 R1 200~400R R3 R2 C2 C3 12V brush-less DC fan Note1: C2(Optional) is for power stabilization, Recommended E-Cap 2.2uF/50V and D1 (Optional) is a reverse protect diode. Note2: R1(1/8W 0805) and C1(100nF) : Enhance the reliability during hot swap. Note3: Recommended to use a 47 ohm for R2 & R3 and a 1uF E-Cap for C2 & C3. These values may need to be optimized depending on the coil used. PERFORMANCE CHARACTERISTICS TA (C) 25 50 60 70 80 85 90 95 100 PD (mW) 550 440 396 352 308 286 264 242 220 TA (C) 105 110 115 120 125 130 135 140 150 PD (mW) 198 176 154 132 110 88 66 44 0 |
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