供应3/5 MHz; -0.5 to +7.0V单片机UPD8251AFC
特性 Complete PWM Power Control Circuitry Completely Synchronized Operation Internal Undervoltage Lockout Protection Wide Supply Voltage Range Internal Short-Circuit Protection Oscillator Frequency...500 kHz Max Variable Dead Time Provides Control Over Total Range Internal Regulator Provides a Stable 2.5-V Reference Supply Available in Q-Temp Automotive HighRel Automotive Applications Configuration Control / Print Support Qualification to Automotive Standards 说明 The TL1451A incorporates on a single monolithic chip all the functions required in the construction of two pulse-width-modulation (PWM) control circuits. Designed primarily for power-supply control, the TL1451A contains an on-chip 2.5-V regulator, two error amplifiers, an adjustable oscillator, two dead-time comparators, undervoltage lockout circuitry, and dual common-emitter output transistor circuits. The uncommitted output transistors provide common-emitter output capability for each contro...
电压传感器LV 28-P原边与副边之间是绝缘的,主要用于测量直流交流和脉冲电压。LV28-P具有出色的精度,良好的线性度,低温漂,的反应时间,宽频带,无插入损坏,抗干扰能力强的优点。 电参数IPN 原边额定有效值电流10 mAIP 原边电流测量范围0 .. ± 14 mAR M 测量电阻RM min RM maxwith ± 15 V @ ± 10 mA max 100 350 W@ ± 14 mA max 100 190 WISN 副边额定有效值电流25 mAK N 转换率2500 : 1000VC 电源电压(± 5 %) ± 15 VIC 电流消耗10 + IS mAVd 有效值电压用于交流绝缘检测 1), 50 Hz, 1 分钟2.5 kV精度- 动态参数X G 总精度@ IPN , TA = 25°C ± 0.6 %eL 线性度< 0.2 %Typ MaxIO 失调电流 @ IP = 0, TA = 25°C ± 0.1 mAIOT IO的温漂0°C .. + 25°C ± 0.2 ± 0.30 mA+25°C .. + 70°C ± 0.3 ± 0.60 mAtr 响应时间 2) @ 90 % of V P max 40 μs 一般参数TA 环境操作温度0 .. + 70 °CTS 环境贮存温度- 25 .. + 85 °CR P 原边线圈电阻@ TA = 70°C 250 WR S 副边线圈电阻 @ TA = 70°C 110 Wm 质量18 g标准 3) EN 50155 性能· 应用霍尔原理的闭环(补偿)电流传感器· 符合 UL 94-V0标准的绝缘外壳使用原则· 对于电压测量,原边电流与被测电压的比一定...