Allicdata Part #: | LM3508TLX/NOPB-ND |
Manufacturer Part#: |
LM3508TLX/NOPB |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC LED DRVR RGLTR DIM 30MA 9USMD |
More Detail: | LED Driver IC 1 Output DC DC Regulator Step-Up (Bo... |
DataSheet: | LM3508TLX/NOPB Datasheet/PDF |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Type: | DC DC Regulator |
Topology: | Step-Up (Boost) |
Internal Switch(s): | Yes |
Number of Outputs: | 1 |
Voltage - Supply (Min): | 2.7V |
Voltage - Supply (Max): | 5.5V |
Voltage - Output: | 17.5V |
Current - Output / Channel: | 30mA |
Frequency: | 850kHz |
Dimming: | PWM |
Applications: | Backlight |
Operating Temperature: | -30°C ~ 85°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | 9-WFBGA |
Supplier Device Package: | 9-uSMD |
Base Part Number: | LM3508 |
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The LM3508TLX/NOPB is a Power Management Integrated Circuit (PMIC) which is specially designed to provide a high current regulated output to drive LEDs. It is ideal for driving high brightness LEDs, and provides accurate current regulation with the use of a low power current sense resistor. The LM3508TLX/NOPB also features a wide voltage range and can be used to drive a wide variety of LED configurations, such as single LED, multi-string LED, and parallel LED strings.
The LM3508TLX/NOPB is an advanced PMIC LED driver that provides a constant current output with a high-efficiency, low-power current sense resistor. It provides dimming control and enable/disable control for LED applications. The chip also features a proprietary PWM dimming control which is designed to operate over a wide input voltage range of 8V to 65V. In addition, the LM3508TLX/NOPB features a programmable current up to 3A.
The working principle of the LM3508TLX/NOPB is based on a linear regulator. When the LED current reaches a preset level, the device acts like a voltage regulator by modulating the current to maintain the current regulation. The device is designed to operate in a closed loop, where a sense resistor is connected between the LED current sense terminal and the ground. The sense resistor value determines the average LED current.
The LM3508TLX/NOPB has an integrated overvoltage protection circuit which senses an open-circuit condition and shuts down the device. It also has an integrated current limit circuit to protect the LEDs from being over-driven. The device also features a thermal shutdown protection circuit which will shut down the device if the chip temperature exceeds the maximum temperature rating.
The LM3508TLX/NOPB features an integrated open and short circuit protection circuit which detects any fault conditions in the LED output and shuts down the device if any overcurrent or short circuit faults occur. The device also has a built-in current monitor with an analog output pin which provides an accurate output voltage that can be used to monitor the LED current.
In summary, the LM3508TLX/NOPB is a Power Management Integrated Circuit (PMIC) which is specially designed to provide a high current regulated output for driving high brightness LEDs. It features a wide voltage range and has a programmable current up to 3A. The device also features overvoltage and current protection, as well as a current monitor with an analog output pin. These features make it an ideal choice for driving high brightness LEDs.
The specific data is subject to PDF, and the above content is for reference
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