SIRIO脉冲驱动变压器TI系列介绍
根据与每个不同应用领域相关的安全标准，当需要将电脉冲从控制传递到功率级时，脉冲变压器用于高频功率转换器，保持电路之间的电流隔离。
电信号施加到初级侧并传输到次级侧，以发射功率BJT，功率MOSFET，IGBT，SCR，GTO，TRIAC。
特征
在高频功率转换系统中，由于设备参数的不同，如额定功率、额定电压和电流、应用领域等，有几种不同的控制技术可供选择。
脉冲变压器的主要特点如下：
• n 初级到次级匝数比
• Vt 最小电压*时间区域（称为传输区域），可以在次级侧使用单极性脉冲传输，而不会导致磁芯饱和，参考温度为25°C
• LP 初级绕组电感
• Ck 绕组之间的耦合能力
• Ls 主泄漏电感，是在主侧测得的电感值，二次绕组短路
• RP 初级绕组电阻
• RS 二次绕组电阻
• tr 上升时间，是在次级侧连接额定负载电阻时传递脉冲所需的时间;该值与漏感值紧密相关
• Imax 最大二次电流，上升时间等于tr（额定负载电阻连接到次级绕组）
• Ip 额定初级有效电流（热电流）
• fn 额定工作频率（或最佳频率范围）
• Uis 两个绕组之间的最大工作电压
• Up 两个绕组之间的隔离电压
Pulse transformers are used in high frequency power converters, when it is required to trasfer an electrical pulse from the control to the power stage, keeping the galvanic isolation between the circuits, according to the safety standards related to each different application fields.
The electrical signal is applied to the primary side and transferred to the secondary side, to fire power BJTs, power MOSFETs, IGBTs, SCRs, GTOs, TRIACs.
Features
In high frequency power conversion systems, several control techniques are available and they differ from each other because of the striking apparatus parameters, like rated power, rated voltages and currents, field of application.
• n primary to secondary turns ratio
• Vt minimum voltage*time area (called transfer area) that can be trasferred at the secondary side with unipolar pulse, without causing the core saturation, referred to the temperature of 25°C
• LP primary winding inductance
• Ck coupling capacity between windings
• Ls primary leakage inductance, it is the inductance value measured at the primary side, with the secondary winding short-circuited
• RP primary winding resistance
• RS secondary winding resistance
• tr rise time, it is the time that takes to trasfer the pulse when the rated load resistance is connected at the secondary side; this value is tightly connected to the leakage inductance value
• Imax maximum secondary current, available with a rise time equal to tr (rated load resistance connected to the secondary winding)
• Ip rated primary effective current (thermal current)
• fn rated working frequency (or optimum frequency range)
• Uis maximum working voltage between two windings
• Up isolation voltage between two windings
SIRIO脉冲驱动变压器TI系列其他常用型号：
SIRIO TI105630
SIRIO TI105645
SIRIO TI108001
SIRIO TI108002
SIRIO TI108010
SIRIO TI108020
SIRIO TI108021
SIRIO TI108022
SIRIO TI108030
SIRIO TI108040
SIRIO TI108050
SIRIO TI108060
SIRIO transformer NEW + ORIGINAL+ ONE YEAR WARRANTY
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SIRIO脉冲驱动变压器TI系列介绍
