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FL7734MX - Fairchild
Manufacturer:
Fairchild
ManyChip's Part#:
MC56079146
Category:
LED Driver, LED Display Driver
Package:
SOP-16
Datasheet:
Datasheet 3D Model
Description:
Secondary Side PWM Cntrlr Primary Side PWM Controller 65kHz to 75kHz 16Pin SOP T/R
Stock Locations:
Availability:
277 pcs In Stock
MOQ:
1 pcs
Unit Price:
$ 0.84

Updated at 01/11/2025 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 FL7734MX is a single-stage PWM Controller for PFC and phase cut dimmable LED driving. It is a highly integrated PWM controller with advanced primary-side-regulation (PSR) technique to minimize components for low power LED lighting solutions. Using the innovative TRUECURRENT technology for tight constant-current control, it enables designs with constant-current (CC) tolerance of less than ±1% in the wide line voltage range to meet stringent LED brightness requirements. Phase cut dimming is managed smoothly by bleeding current control to achieve excellent dimmer compatibility without flicker. The controller can automatically detect whether there is a dimmer connection. In non dimming mode, the operating mode is set to optimize power factor and THD by enabling linear frequency control and voltage mode based on DCM. The FL7734 also provides powerful protections, such as LED open/short, sensing resistor shorted and over-temperature for high system reliability.
Excellent dimmer compatibility by active dimming control
Programmable dimming curve and input current management
Constant LED current regulation in large phase angle range
Power factor correction
Accurate constant-current (CC) control
Fast start-up utilizing bleeding circuit
Open-LED protection
Short-LED protection
Sensing resistor short protection
Cycle-by-cycle current limit
Over-temperature protection with auto restart

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FL7734MX Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOP-16
Frequency	70.0 kHz
Number of Outputs	1 Output
Output Voltage	1.5V ~ 5V
Number of Channels	1 Channel
Number of Positions	16 Position
Power Dissipation	633 mW
Switching Frequency	70 kHz
Input Voltage (Max)	30 V
Input Voltage (Min)	6.75 V
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	633 mW
	Show
Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 125℃ (TA)
Product Lifecycle Status	Unknown
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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