
LM3643YFFR Integrated Circuits (ICs) |
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Allicdata Part #: | 296-40205-2-ND |
Manufacturer Part#: |
LM3643YFFR |
Price: | $ 0.37 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC LED DRIVER RGLTR DIM 12DSBGA |
More Detail: | LED Driver IC 2 Output DC DC Regulator Step-Up (Bo... |
DataSheet: | ![]() |
Quantity: | 3000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
1 +: | $ 0.37000 |
10 +: | $ 0.35890 |
100 +: | $ 0.35150 |
1000 +: | $ 0.34410 |
10000 +: | $ 0.33300 |
Voltage - Supply (Max): | 5.5V |
Supplier Device Package: | 12-DSBGA |
Package / Case: | 12-UFBGA, DSBGA |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 85°C (TA) |
Applications: | Camera Flash |
Dimming: | I²C |
Frequency: | 2MHz, 4MHz |
Current - Output / Channel: | 750mA |
Voltage - Output: | -- |
Series: | -- |
Voltage - Supply (Min): | 2.5V |
Number of Outputs: | 2 |
Internal Switch(s): | Yes |
Topology: | Step-Up (Boost) |
Type: | DC DC Regulator |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
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The LM3643YFFR is an advanced, efficient, and easy to use LED driver applicable to a wide range of LED applications, including low-density low-power applications. It is part of the Power Management Integrated Circuit (PMIC) line of LED drivers. These drivers are designed to provide the correct amount of current to power LEDs and can perform different functions, such as dimming, blink control, and day-time illumination.The LM3643YFFR is a highly integrated driver IC which can be used to control the output current and brightness of multiple LEDs connected in series. It provides an efficient solution for driving 3 to 10 LEDs, with up to 18V of drive and up to 10mA of output current per LED. It features powerful current control capabilities, a low quiescent current, small size, and low voltage drop across the LEDs.The LM3643YFFR operates by sensing the voltage across the LED string and adjusting the current law so that the desired output current is maintained. The output current is controlled in two separate modes, Linear and Pulse Width Modulation (PWM). In Linear mode, the current is regulated by a linear current sink circuit which regulates the output current in proportion to the input voltage. In PWM mode, the output current is regulated by a pulse width modulation controller which operates the output current in bursts specified by the duty cycle.The LM3643YFFR also features a highly integrated voltage regulator which supplies the drive current for the LEDs and a power management circuit which controls the output current according to the desired output current set-point. The power management circuit monitors the output current of each LED and will ramp up or down the output current to reach the set-point.The LM3643YFFR offers a wide range of features and options which are beneficial for any LED application. It is an efficient, easy to use and cost effective solution for all your LED lighting requirements. It provides an ideal solution for low-density low-power applications and can be used to achieve consistent performance and reliability in any lighting environment. The LM3643YFFR is an excellent choice for all your LED lighting needs.
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