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LV5692P-E Datasheet(PDF) 10 Page - ON Semiconductor |
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LV5692P-E Datasheet(HTML) 10 Page - ON Semiconductor |
10 / 14 page LV5692P No.A1876-10/14 Recommended Operation Circuit Peripheral parts list Name of part Description Recommended value Remarks C2, C4, C6, C8, C11, C16 Output stabilization capacitor 10 μF or more* Electrolytic capacitor C1, C3, C5, C7, C10, C15 Output stabilization capacitor 0.22 μF or more* Ceramic capacitor C12, C13 Capacity for phase amends C12=1000pF (C13=0pF: TBD) Ceramic capacitor C18, C20 Power supply bypass capacitor 100 μF or more C17, C19 Oscillation prevention capacitor 0.22 μF or more These capacitors must be placed near the VCC and GND pins. C14 EXT output stabilization capacitor 2.2 μF or more R1, R2 Resistor for ILM voltage adjustment R1/R2=9.1k Ω/27kΩ for 5.0V A resistor with resistance accuracy as low as less than ±1% must be used. R3 Resistor for AUDIO voltage setting 0.1 Ω for Ipeak=3A Panasonic ERJB1CFR10U(Reference) M1 USB output Pch-FET 2SJ650 D1 Diode for prevention of backflow D2, D3 Diode for internal element protection SB1003M3 note)The circuit diagram and the values are only tentative which are subject to change. * : Make sure that the capacitors of the output pins are 10 μF or higher and ESR is 10Ω or lower in total and temperature characteristics and accuracy are taken into consideration. Also the E-cap should have good high frequency characteristics. • USB output voltage setting method Formula for USB voltage calculation USB = 1.26[V] R1 × R2 + 1.26[V] R2 R1 = (USB-1.26) 1.26 Please design so that the ratio of R1 and R2 may fill the above-mentioned expression for the set USB voltage. R2 R1 = (5.0-1.26) 1.26 2.968 R2 R1 = 27kΩ 9.1kΩ 2.967 The FB voltage is determined by the internal band gap voltage of the IC (typ = 1.26V) USB = 1.26V × 2.967 + 1.26V 4.998V + 14 12 10 8 6 4 2 15 13 11 9 7 5 3 1 + C8 C7 ILM + C11 C12 CD CTRL2 CTRL3 R1 R2 C13 D1 C4 C3 D3 D2 C14 EXT + C10 AUDIO + C1 C2 DSP CTRL1 + C6 C5 VCC + USB + + VDD R3 C16 C15 C17 C18 C19 C20 R2 1.26V R1 10 9 USBGT USB 12 RSNS VCC |
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