Pwm Controlled, Pwm/pfm Switchable Step-up Dc-dc Controller

The UTC UC3550 series is a compact, high efficiency, Step-up DC/DC controllers includes an error Amplifier Oscillator PWM Comparator skip cycle Comparator Voltage Reference soft-start, and high speed lower ON-resistance driver for driving external power devices (NMOS or NPN) ,Additionally, a CE (chip enable) function that reduces power consumption during shut-down mode. By LianShun Electronics Co., Ltd
UC3550 's PackagesUC3550 's pdf datasheet

UC3550 Pinout, Pinouts
UC3550 pinout,Pin out
This is one package pinout of UC3550,If you need more pinouts please download UC3550's pdf datasheet.

UC3550 Application circuits
UC3550 circuits
This is one application circuit of UC3550,If you need more circuits,please download UC3550's pdf datasheet.

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UC3550 Application Notes UC3550 RoHS UC3550 Circuits UC3550 footprint