LM3431AMH/NOPB Texas Instruments - Yeehing Electronics

3-channel constant current LED driver with integrated boost controller

Pricing (USD)

Quantity	Unit Price
1 — 99	3.781
100 — 249	3.313
250 — 999	2.323
1,000 +	1.31

The above prices are for reference only.

Specifications

Manufacturer	Texas Instruments
Product Category	LED Lighting Drivers
RoHS	Y
Number of Channels	3 Channel
Output Current	200 mA
Input Voltage	5 V to 36 V
Operating Frequency	200 kHz to 1 MHz
Supply Current - Max	4.85 mA
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C
Mounting Style	SMD/SMT
Package / Case	HTSSOP-28
Series	LM3431
Packaging	Tube
Features	Adjustable Switch Frequency, Enable/Shutdown, Soft Start, Thermal Shutdown
Height	0.9 mm
Length	9.7 mm
Operating Temperature Range	- 40 C to + 125 C
Output Type	Constant Current
Type	Inductive
Width	4.4 mm
Brand	Texas Instruments
Topology	Boost
Dimming	Analog,PWM
High Level Output Current	20000 uA
Low Level Output Current	8000 uA
Pd - Power Dissipation	3100 mW
Product Type	LED Lighting Drivers
Factory Pack Quantity	48
Subcategory	Driver ICs

For more information, please refer to datasheet

Documents

LM3431AMH/NOPB Datasheet

More Information

The LM3431 is a 3-channel linear current controller combined with a boost switching controller ideal for driving LED backlight panels in space critical applications. The LM3431 drives 3 external NPN transistors or MOSFETs to deliver high accuracy constant current to 3 LED strings. Output current is adjustable to drive strings in excess of 200 mA. The LM3431 can be expanded to drive as many as 6 LED strings.