FL103 - Primary-Side-Regulation PWM Controller

Fairchild Semiconductor

The FL103 by Fairchild Semiconductor is a Primary-Side-Regulation PWM Controller. Below is the official datasheet preview.

Datasheet Details

Part number	FL103
Manufacturer	Fairchild Semiconductor
File Size	0.99 MB
Description	Primary-Side-Regulation PWM Controller
Datasheet	FL103-FairchildSemiconductor.pdf
Additional preview pages of the FL103 datasheet.

This third-generation Primary-Side-Regulation (PSR) and highly integrated PWM controller provides

Low Standby Power: < 30 mW.
High-Voltage Startup.
Few External Component Counts.
Constant-Voltage (CV) and Constant-Current (CC) Control without Secondary-Feedback Circuitry.
Green-Mode: Linearly-Decreasing PWM Frequency.
Fixed PWM Frequency at 50 kHz and 33 kHz with Frequency Hopping to Solve EMI Problems.
Peak-Current-Mode Control in CV Mode.
Cycle-by-Cycle Current Limiting.
VDD Over-Voltage Protection (OVP).
VDD Under-Voltage Lockout (UVLO).

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Published: Nov 7, 2022 |