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FT830A规格书
Fremont Micro Devices FT83xx Preliminary
Primary-Side-Control CC/CV Controller
FEATURES DESCRIPTION
Constant-Current (CC) and Constant-Voltage The FT83xx controller device is optimized for
(CV) Control with Primary Side Control high-performance, low power switching mode power
Eliminates Opto-Coupler and TL431 supply applications. The FT83xx facilitates CC/CV
External Power NPN Transistor for Low Cost charger design by eliminating an opto-coupler and
Adjustable Base Driver Improve System EMI TL431. Its highly integrated functions such as Under
(FT831B/2B/2C) Voltage Lockout (UVLO), Leading Edge Blanking
Adjustable Cable compensation for all Loading (LEB), external adjustable base driver and cable
(FT831A/2A/2C) compensation offer the users a high efficiency and
Built-in Line Compensation low cost solution for AC/DC power applications.
Charger Status Indicator in Primary Side
(FT832A/2B) Furthermore, FT83xx features fruitful protections like
Cycle-by-Cycle Current Limiting OTP (Over Temperature Protection), OVP (Over
Over Voltage Protection (OVP) Voltage Protection), and Open Circuit Protection,
Over Temperature Protection (OTP) Short Circuit Protection to eliminate the external
Open Circuit Protection protection circuits and provide reliable
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