数据搜索系统,热门电子元器件搜索 |
|
93334L-S08-T 数据表(PDF) 3 Page - Unisonic Technologies |
|
93334L-S08-T 数据表(HTML) 3 Page - Unisonic Technologies |
3 / 5 page 93334 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 3 of 5 www.unisonic.com.tw QW-R121-006,A BLOCK DIAGRAM AND TYPICAL APPLICATION Figure 1 + - + - * Optional parts for extended transient protection ** A350V zener clamp is required when using the standard BU941 This clamp is not required if a selected version with VCEO(SUS) = 550V is used Dwell Reference Buffer Input Comparator Power Output &OVP Ignition Coil Primary 8.0mH Power Ground 21 3 C S1 4 S2 5 with Hysteresis CFilter 0.2 RBAT 300 RDRIVE 100 RGAIN 5.0k **BU941 Current Limit Sense RD2 100 RD1 35-350 RS 0.075 CDWELL 0.1 C2* 0.01 C1* 470 R 12k R1 20k R2 20k UTC 93334 Reluctor Pickup 1.35H 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=10Ω±20% RA, RB 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) |
类似零件编号 - 93334L-S08-T |
|
类似说明 - 93334L-S08-T |
|
|
链接网址 |
隐私政策 |
ALLDATASHEETCN.COM |
ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |