LM2753SD Integrated Circuits (ICs) |
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| Allicdata Part #: | LM2753SDTR-ND |
| Manufacturer Part#: |
LM2753SD |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC LED DRIVER RGLTR DIM 10SON |
| More Detail: | LED Driver IC 1 Output DC DC Regulator Switched Ca... |
| DataSheet: | LM2753SD Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| Voltage - Output: | 4.75 V ~ 5.25 V |
| Base Part Number: | LM2753 |
| Supplier Device Package: | 10-WSON (3x3) |
| Package / Case: | 10-WFDFN Exposed Pad |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Applications: | Camera Flash |
| Dimming: | PWM |
| Frequency: | 725kHz |
| Current - Output / Channel: | 400mA (Flash) |
| Series: | -- |
| Voltage - Supply (Max): | 5.5V |
| Voltage - Supply (Min): | 3V |
| Number of Outputs: | 1 |
| Internal Switch(s): | Yes |
| Topology: | Switched Capacitor (Charge Pump) |
| Type: | DC DC Regulator |
| Part Status: | Obsolete |
| Packaging: | Tape & Reel (TR) |
Description
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LM2753SD Application Field and Working Principle
The LM2753SD is a current regulated, integrated power and control circuit for driving LEDs. This power management IC from National Semiconductor is designed to provide a simple and cost-effective solution for driving light emitting diodes (LEDs). It is part of the Power Management and Motor Control Group\'s Power over Ethernet (PoE) product. The LM2753SD can be used for multiple applications, including LED lamps, LED lighting fixtures and LED lighting strings. The LM2753SD LED Driver is designed to operate in either synchronous buck topology or buck-boost topology. The synchronous buck topology is used to regulate the current through the LED string while buck-boost topology is used to regulate the voltage across the LED string. The LM2753SD provides gate drive through its gate drive enable pins that are controlled by the logic voltage inputs. The logic voltage inputs enable or disable the gate drives to adjust the LED current and brightness.The LM2753SD can also be used in various applications such as pulse width modulation (PWM), dimming control and LED displays. In the PWM mode, the LM2753SD synchronizes the LED current with an external clock. The frequency of the external clock can be adjusted to control the LED current and brightness. In the dimming control mode, the LM2753SD can be programmed to adjust the LED current and brightness using an external or internal dimming control. In the LED displays mode, the LM2753SD can be used to drive multiple strings of LEDs with variable brightness.The LM2753SD is designed with a low-power low-bias architecture that provides excellent power saving and system cost reduction. The device features wide switching frequency range (200 kHz ~ 1MHz), a 200V input voltage rating and a variable output current. The LM2753SD also provides over-voltage and over-temperature protection along with fault diagnostics output.The LM2753SD is capable of delivering up to 1.3A of output current while operating at a wide input voltage range of up to 200V. The device’s internal power switch provides transient protection, while its integrated thermal protection system ensures safe operations. The LM2753SD also includes a suite of protection features such as over-current, over-voltage, short circuit and over-temperature protection. Additionally, the LM2753SD provides a fault diagnostics output pin that allows the user to monitor the state of the device. The LM2753SD is designed for applications that need reliable and cost effective LED power supplies for lighting systems. The device is available in compact footprint of 3mm x 3mm, making it suitable for space-constrained applications. The LM2753SD is compliant with the JEDEC standards for board-mounted LED applications. Overall, the LM2753SD from National Semiconductor provides a simple, cost effective and robust solution for driving LED lighting fixtures and LED lighting string applications. With the LM2753SD LED driver, design engineers can easily design LED lighting systems that benefit from the device’s low power consumption, accurate current regulation and fault diagnostics output.The specific data is subject to PDF, and the above content is for reference
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LM2753SD Datasheet/PDF