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93334 データシート(PDF) 2 Page - Unisonic Technologies |
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93334 データシート(HTML) 2 Page - Unisonic Technologies |
2 / 4 page 93334 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 2 of 4 www.unisonic.com.tw QW-R121-006.C PIN CONFIGURATION BLOCK DIAGRAM AND TYPICAL APPLICATION Component Values Pickup Series resistance = 800Ω±10% @ 25℃, inductance= 1.35H @ 1.0kHz @ 15Vrms Coil Leakage L=0.6mH, primary R=0.43Ω±5% @ 25℃, primary L=7.5mH ~ 8.5mH @ 5.0A RL Load resistor for pickup=12KΩ±20% R1, R2 Input buffer resistors provide additional transient protection to the already clamped inputs=20k±20% C1, C2 For reduction of high frequency noise and spark transients induced in pick-up and leads; optional and non-critical RBAT Provides load dump protection (but small enough to allow operation at VBAT =4.0V) =300Ω±20% CFilter Transient filter on VCC, non-critical CDWELL Stores reference, circuit designed for 0.1μF±20% RGAIN RGAIN/RD1 sets the DC gain of the current regulator =5.0k±20% RD2 RD2/RD1 set up voltage feedback from RS RS Sense resistor (PDAG in thick film techniques) =0.075Ω±30% RDRIVE Low enough to supply drive to the output Darlington, high enough to keep VCE(SAT) of the IC below Darlington turn-on during load dump = 100Ω±20%, 5.0W RD1 Starting with 35Ω assures less than 5.5A, increasing as required to set 5.5A RD1=(IO(PEAK) RS – VREF)/((VREF/RD2)-(1.4/RGAIN))-(≈100Ω) |
同様の部品番号 - 93334_15 |
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同様の説明 - 93334_15 |
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