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XC6377AXX2SL Datasheet(PDF) 9 Page - Torex Semiconductor |
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XC6377AXX2SL Datasheet(HTML) 9 Page - Torex Semiconductor |
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9 / 17 page  XC6376/6377 Series 585 5 1. Output Voltage Internally Set-up Type (VOUT) External Components : L SD1 CL CSS CIN Note : 22 µH (Sumida CR54, FOSC=300kHz) 47 µH (Sumida CR75, FOSC=180kHz) 10 µH (Sumida CR54, FOSC=500kHz) : MA2Q735 (Schottky Diode, Matsushita) : 10V 47 µF (Tantalum capacitor, Nichicon MCE) : 4700pF (Ceramic capacitor, FOSC=300kHz, 180kHz) 0.01 µF (Ceramic capacitor, FOSC=500kHz) : 16V 10 µF (Tantalum capacitor, Nichicon MCE) : Please increase capacitance value (CIN) when necessary 2. Output Voltage Externally Set-up Type (FB) External Components : L SD1 CL CSS CIN RFB CFB Note : 22 µH (Sumida CR54, FOSC=300kHz) 47 µH (Sumida CR75, FOSC=180kHz) 10 µH (Sumida CR54, FOSC=500kHz) : MA2Q735 (Schottky Diode, Matsushita) : 10V 47 µF (Tantalum capacitor, Nichicon MCE) : 4700pF (Ceramic capacitor, FOSC=300kHz, 180kHz) 0.01 µF (Ceramic capacitor, FOSC=500kHz) : 16V 10 µF (Tantalum capacitor, Nichicon MCE) : Please set-up so that RFB1 ÷ RFB2 = VOUT - 1 (VOUT = set-up output voltage) and ensure that RFB1 + RFB2 ≤ 2MΩ. N.B. In actual operation please set-up so that the FB pin will be equal to 1.0V : Please set-up so that { f = 1 ÷ (2π x CFB x RFB1)} will be in the range of 1 ~ 20kHz (5kHz normal ) e.g. If VOUT = 3.0V then RFB1 = 400k Ω, FFB2 = 200kΩ, CFB = 100pF : Please increase capacitance value (CIN) when necessary CL （Tantalum） CIN （Tantalum） 1 2 3 4 8 7 6 5 L VIN CE/ VOUT SD1 Css CL （Tantalum） CIN （Tantalum） 1 2 3 4 8 7 6 5 L VIN RFB2 RFB1 FB CE/ VOUT SD1 Css CFB ■Typical Application Circuits 05S_3XC6376/77 02.09.12 15:20 ページ 585 |
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