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93334-S08-R Fiches technique(PDF) 3 Page - Unisonic Technologies |
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93334-S08-R Fiches technique(HTML) 3 Page - Unisonic Technologies |
3 / 5 page 93334 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 3 of 5 www.unisonic.com.tw QW-R121-006.B 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) 發 行 FOR IS SU E JUL 17.2007 文件管 理 中心 UTC Doc.Control Center |
Numéro de pièce similaire - 93334-S08-R |
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Description similaire - 93334-S08-R |
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