| Allicdata Part #: | 296-35410-2-ND |
| Manufacturer Part#: |
LM2675MX-12/NOPB |
| Price: | $ 1.48 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC REG BUCK 12V 1A 8-SOIC |
| More Detail: | Buck Switching Regulator IC Positive Fixed 12V 1 O... |
| DataSheet: |  LM2675MX-12/NOPB Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | $ 1.48000 |
| 10 +: | $ 1.43560 |
| 100 +: | $ 1.40600 |
| 1000 +: | $ 1.37640 |
| 10000 +: | $ 1.33200 |
Specifications
| Voltage - Output (Min/Fixed): | 12V |
| Base Part Number: | LM2675 |
| Supplier Device Package: | 8-SOIC |
| Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Synchronous Rectifier: | No |
| Frequency - Switching: | 260kHz |
| Current - Output: | 1A |
| Voltage - Output (Max): | -- |
| Series: | SIMPLE SWITCHER® |
| Voltage - Input (Max): | 40V |
| Voltage - Input (Min): | 6.5V |
| Number of Outputs: | 1 |
| Output Type: | Fixed |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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The LM2675MX-12/NOPB is a DC to DC switch regulator from Texas Instruments, which can convert a varying DC voltage range from about 4.5V to 40V into an adjustable output voltage between 1.24V to 37V as set by an external voltage divider and corresponding resistor network. This device is capable of handling 1.2A load currents, and is capable of achieving an efficiency of up to 95%. This specific device is configured as an synchronous step-down rectifier with a maximum switching frequency of 1MHz and an adjustable maximum duty cycle of 98%. This adjustable DC-DC converter is an ideal solution for applications where an adjustable output voltage is required. Examples of such applications include powering laser diodes and light emitting diodes (LEDs), variable LED supply controls in backlighting, and fan control circuit, as well as driving high-speed digital electronics such as high-speed communications and data converters.The operation principle of the LM2675MX-12/NOPB is based on the PWM (Pulse Width Modulation) control scheme. This scheme is used to control the amount of energy that is supplied to the load and is achieved by controlling the duty cycle of the output pulses. The internal switching circuitry of the device takes an input voltage, converts it to a square wave and adjusts the duty cycle to achieve the desired output voltage. The duty cycle is adjusted using an adjustable oscillator, which is controlled by an external divider and resistor network. With the range of components available with the device, the duty cycle of the output waveform can be adjusted from 0% to 98%. The device incorporates several safety features that protect it from potential damage or overload, such as overload protection, over-voltage protection, temperature sensing and thermal shutdown. The device also includes two output pins, which provide feedback of the output voltage, current limit and power-good signals.To summarize, the LM2675MX-12/NOPB is an adjustable synchronous step-down rectifier DC-DC converter that is suitable for a wide variety of applications where adjustable output voltage is required. Its features, such as 1.2A load current, 1MHz maximum switching frequency, 98% maximum duty cycle, overload protection and over-voltage protection make it an ideal solution for powering laser diodes, LEDs, fan control, high-speed communications and data converters.
The specific data is subject to PDF, and the above content is for reference
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