FairchildFAN104W tablet and smartphone battery charging design

Mobile phone crystal 3.2*2.5mm 3225 26M (26.000MHZ) 7.5PF 10PPM 20PPM 30PPM
Single chip microcomputer STM32L151CCU6
inductance
SMD aluminum electrolytic capacitor

Overview:
Fairchild's FAN104W is a high-frequency primary-adjusted PWM controller that improves the performance of low-power flyback converters. Standby power consumption is less than 30mW, meets the Energy Star five-star standard, burst mode operating current is 600uA, and has output short-circuit protection. Output over-voltage protection (VSOVP), VDD over-voltage protection and over-temperature protection, etc., mainly used in smart phones, PAD, PDA and digital camera battery chargers. This article introduces the main features of FAN104W, block diagram, typical application circuit and 10W Tablet and smartphone charger reference design main features, circuit diagrams, transformer circuits and PCB layout.

10W charger reference design outline drawing and PCB layout drawing:

10W charger reference design circuit diagram:

Typical application circuit diagram of FAN104W:



(Please read the PDF for details)

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