FL7734MX - Fairchild

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

FL7734MX
Manufacturer

Fairchild
ChipWorker Part#

CW56079146
Category

LED Driver, LED Display Driver
Package

SOP-16
Description

Secondary Side PWM Cntrlr Primary Side PWM Controller 65kHz to 75kHz 16Pin SOP T/R
Documentation

Datasheet

FL7734MX Global Supplier

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FL7734MX Specifications

Attribute	Attribute Value

Part Number	FL7734MX
Manufacturer	Fairchild
ChipWorker Part#	CW56079146
Category	LED Driver, LED Display Driver
Documentation	Datasheet
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
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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

Product 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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Ordering Information

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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
- Income quality control (IQC), 800+ qualified distributors.
- Authorities test the chip to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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