SI8261BBC-C-ISR

Current - Output High, Low:	500mA, 1.2A
Approvals:	CQC, CSA, UR, VDE
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	9.4 V ~ 30 V
Current - DC Forward (If) (Max):	30mA
Voltage - Forward (Vf) (Typ):	2.8V (Max)
Current - Peak Output:	4A
Series:	Automotive, AEC-Q100
Rise / Fall Time (Typ):	5.5ns, 8.5ns
Pulse Width Distortion (Max):	28ns
Propagation Delay tpLH / tpHL (Max):	60ns, 50ns
Common Mode Transient Immunity (Min):	35kV/µs
Voltage - Isolation:	3750Vrms
Number of Channels:	1
Technology:	Capacitive Coupling
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionThe SI8261BBC-C-ISR is an isolated gate driver designed for high reliability and long system life in the communication and industrial automation markets. It is a single-stage, high-speed, highly reliable, and secure power-up isolator designed to provide phase and voltage lockout-free operation up to 45 Vdc and 250 kHz switching frequency. The SI8261BBC-C-ISR operates with a wide range of input DC and AC/DC voltage ranges.Application FieldThe SI8261BBC-C-ISR is a popular gate driver for a variety of industrial automation and communication applications. It is designed for applications requiring high precision, high speed, and high reliability. It can be used in motor control, robotics, medical equipment, industrial automation, switchmode power supplies, motion control systems, and other applications that require a reliable and secure power application.Working PrincipleThe SI8261BBC-C-ISR isolator gate driver utilizes a step-down transformer to convert the input DC or AC/DC voltage into an isolated output voltage. This isolated drive voltage is then used to generate the output gate drive signal. The output gate drive voltage range for the SI8261BBC-C-ISR is typically between 5 V and 12.7 V, with a typical switching frequency of 250 kHz. The isolator can also connect two identical loads with different input voltages simultaneously.The input voltage corresponding to each load is independently monitored and the corresponding gate drive signal is generated. This introduces highly precise and consistent gate drive timing for each independent load. This helps to reduce errors due to voltage fluctuations or other factors during operation.ConclusionThe SI8261BBC-C-ISR isolated gate driver is a single-stage, high-speed, reliable, and secure isolator designed for communication and automation markets. It is designed to provide phase and voltage lockout-free operation up to 45 Vdc and 250 kHz switching frequency. The SI8261BBC-C-ISR is suitable for a variety of industrial automation and communication applications, including motor control, robotics, medical equipment, industrial automation, switchmode power supplies, motion control systems, and other applications that require a reliable and secure power source. Its high precision and reliable gate drive timing also helps to reduce errors due to voltage fluctuations or other factors during operation.

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