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Updated at 17/06/2025 10:30:15(UTC+8)

Certifications

ManyChip is committed to product quality and safety with ISO 9001, ISO 13485, ISO 45001, UL, RoHS, CQC and REACH certifications.

Description

The FL7733AMX is a LED Driver with power factor correction. It is a highly-integrated PWM controller with advanced primary side regulation (PSR) technique to minimize components in low-to-mid-power LED lighting converters. Using an innovative TRUECURRENT® technology to provide tight tolerance constant-current output, this LED driver enables designs with constant current (CC) tolerance of less than ±1% over the universal line voltage range to meet stringent LED brightness requirements. By minimizing turn-on time fluctuation, high power factor and low THD over the universal line range are obtained in the FL7733A. During start-up, adaptive feedback loop control anticipates the steady-state condition and sets initial feedback condition close to the steady state to ensure no overshoot or undershoot of LED current. The FL7733A also provides powerful protections, such as LED short/open, output diode short, sensing resistor short/open and over-temperature for high system reliability.
Adaptive feedback loop control for start-up without overshoot
System protection LED short/open protection
Output diode short protection
Sensing resistor short/open protection
VDD over-voltage protection
VDD under-voltage lockout
Over-temperature protection
All protections are auto restart
Cycle-by-cycle current limit

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FL7733AMX Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOP-8
Number of Outputs	1 Output
Output Voltage	1.5V ~ 5V
Number of Channels	1 Channel
Number of Positions	8 Position
Power Dissipation	633 mW
Switching Frequency	70 kHz
Input Voltage (Max)	308 V
Input Voltage (Min)	80 V
Input Voltage (DC Max)	30 V
Input Voltage (AC Max)	308 v
Input Voltage (AC Min)	80 v
Output Voltage (Min)	5 V
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	633 mW
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Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 125℃ (TA)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

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SN:H2.3332LO30854V71Q0QC0S0

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