NCP1256BSN100T1G

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The NCP1256BSN100T1G is an off-line switcher integrated circuit (IC) device designed and manufactured by ON Semiconductor. It is a high-performance device that features a wide input voltage range, high-efficiency, low switching frequency, low output ripple and low start-up current. It is well-suited for lighting, motor control and appliance drive applications.

The NCP1256BSN100T1G is a PMIC (Power Management IC) device available in a high-temperature 5-pin SOT-223 package. It is capable of providing up to 1A of continuous output current at 85°C temperature. It utilizes an improved quasi-resonant mode with valley switching for high system efficiency. The device supports different standby power management schemes and various programmable protections such as over temperature protection (OTP) and over-load lose cycle protection (LP). Furthermore, the NCP1256BSN100T1G is designed to meet the international safety standards.

The device has an operating junction temperature range of -40°C to 185°C and an electrical characteristic temperature range of -40°C to 150°C. The NCP1256BSN100T1G is available in a wide input voltage range of 4.0V to 400V. It has an input current of 4.0A and a maximum switching frequency of 65kHz. It has a low start-up voltage of 3V and a maximum duty cycle of 95%. The device has a maximum peak inductor current of 3A and enable threshold of 2.5V.

The working principle of the NCP1256BSN100T1G consists of a wide input voltage range, high-efficiency, low switching frequency, low output ripple and low start-up current. It is a quasi-resonant flyback converter, with valley switching, which reduces the number of parasitic ringing cycles. The IC contains the necessary components such as the driver, the high-side switch, the low-side switch, the control loop, and the current loops for monitoring and control. In addition, it also has a voltage detection circuit for detecting the output voltage. The IC device also has an over-load/over-temperature protection circuit to protect the output from damage.

The NCP1256BSN100T1G PMIC device is ideal for applications including LED, CFL and general lighting; motor control; and appliance drive. It utilizes an improved quasi-resonant mode with valley switching for high system efficiency. In addition, its low start-up voltage, low switching frequency, and current loops enable complex designs with optimized power consumption. Furthermore, the device supports different stand-by power management schemes and various programmable protective features for added system robustness.

The NCP1256BSN100T1G is an off-line switcher IC device designed and manufactured by ON Semiconductor. It is a high-performance device that features a wide input voltage range, high-efficiency, low switching frequency, low output ripple and low start-up current. It is well-suited for lighting, motor control and appliance drive applications. Additionally, the device supports different stand-by power management schemes and various programmable protective features for added system robustness.

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