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KK33197AD 参数 Datasheet PDF下载

KK33197AD图片预览
型号: KK33197AD
PDF下载: 下载PDF文件 查看货源
内容描述: 汽车雨刮洗涤定时器 [Automotive Wash Wiper Timer]
分类和应用:
文件页数/大小: 7 页 / 215 K
品牌: KODENSHI [ KODENSHI KOREA CORP. ]
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KK33197A  
Representative Block Diagram  
This device contains 390 active transistors.  
ELECTRICAL CHARACTERISTICS (–45°C 3 TA +125°C, 8.0 V VCC 16 V, unless otherwise noted. Typical  
values reflect approximate mean at TA = 25°C with VCC = 14 V at the time of initial device characterization.)  
NOTES: 1. The oscillator frequency is defined by the current flowing through the external resistor R2. The voltage at the INT pin is  
(VCC/2 – Vbe) and hence the current flowing through R3 is different if R3 is connected to Vbb or to Gnd because of the  
voltage drop across resistor R1. This voltage drop causes the oscillator coefficient for tb2 to be different for the two cases of  
INT terminated to Gnd or to Vbb. Because of this, the oscillator coefficient is specified with a specific value of R1  
whenever INT is connected to Vbb. If R1 is changed, the coefficient will change. Also, any extra current through the  
resistor R1 other than the current used by the device will cause timing deviations in tb2 timings (as in the case where two  
devices are sharing a common R1 resistor).  
2. The oscillator stability with temperature is dependent on the temperature coefficients of the external components. If the  
capacitance value of the external capacitor varies more than 5% over the parametric temperature range, the figures quoted  
for oscillator variation are not valid.  
3. The tb1 duration is given by coefficient 4 x R2 x C2 (tb1 duration = tb1 x 4 x R2 x C2).  
4. The tb2 duration is given by coefficient x R3 x C2 (tb2 duration = tb2 x R3 x C2).  
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