NCP1216D100R2

Duty Cycle:	75%
Base Part Number:	NCP1216
Mounting Type:	Surface Mount
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 150°C (TJ)
Control Features:	--
Fault Protection:	Over Load, Over Temperature, Short Circuit
Frequency - Switching:	100kHz
Series:	--
Voltage - Supply (Vcc/Vdd):	10 V ~ 16 V
Topology:	Flyback
Voltage - Breakdown:	--
Internal Switch(s):	No
Output Isolation:	Isolated
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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NCP1216D100R2 Application Field and Working PrincipleThe NCP1216D100R2 is a single-channel, current mode, PWM controller featuring low startup and operating current, high efficiency, and low audible noise generation. It is ideally suited for controlling switch-mode power supplies in lighting, adapter, and offline applications.The NCP1216D100R2 is a flexible and reliable solution for AC/DC applications, featuring a wide operating temperature range and high-voltage tolerance. The controller features an adjustable triangular-wave oscillator and adaptive on-time control for fast transient response and low output ripple. By incorporating an avalanche-rugged MOSFET, the NCP1216D100R2 is also suitable for high-frequency, low-voltage AC/DC applications. The NCP1216D100R2 provides over-voltage protection, over-current protection, thermal shutdown, under-voltage lockout, and soft start. The controller also has programmable current limit, programmable output voltage control, and programmable deadtime control. Additionally, the controller can be used as a CCMVDS/DCLVDS for driving multiple outputs in parallel. The NCP1216D100R2 is protected from shorts, overloads, output transients, over-temperatures, and open loop conditions. It also has fault reporting and fault reset capability. Working PrincipleThe NCP1216D100R2 is a current mode PWM controller based on an adjustable triangular-wave oscillator. The controller senses the current flow in the switch-mode supply and regulates the output voltage. The average current in the supply is held constant by employing a pulse-width modulation technique.The NCP1216D100R2 utilizes an adaptive on-time control technique which enables the controller to provide fast transient response and low output ripple. The controller features an adjustable frequency range of 250 kHz to 1.2 MHz to provide excellent performance under varying load conditions. The NCP1216D100R2 is designed to operate over a wide voltage and temperature range. It is protected from shorts, overloads, output transients, over-temperatures, and open loop conditions. Additionally, the controller has programmable current limit, programmable output voltage control, and programmable deadtime control. ConclusionThe NCP1216D100R2 is a single-channel, current mode, PWM controller for AC/DC applications featuring an adjustable triangular-wave oscillator and adaptive on-time control for fast transient response and low output ripple. It has a wide operating temperature range and high-voltage tolerance and is protected from shorts, overloads, output transients, over-temperatures, and open loop conditions. The NCP1216D100R2 is a reliable and efficient solution for controlling switch-mode power supplies in lighting, adapter, and offline applications.

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