| Allicdata Part #: | 296-43687-ND |
| Manufacturer Part#: |
LMR14030SQDDAQ1 |
| Price: | $ 3.12 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC REG BUCK ADJ 3.5A 8SOIC |
| More Detail: | Buck Switching Regulator IC Positive Adjustable 0.... |
| DataSheet: |  LMR14030SQDDAQ1 Datasheet/PDF |
| Quantity: | 116 |
| 1 +: | $ 2.84130 |
| 10 +: | $ 2.54898 |
| 100 +: | $ 2.08845 |
| 500 +: | $ 1.77786 |
| 1000 +: | $ 1.49940 |
Specifications
| Voltage - Input (Max): | 40V |
| Supplier Device Package: | 8-SO PowerPad |
| Package / Case: | 8-PowerSOIC (0.154", 3.90mm Width) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Synchronous Rectifier: | No |
| Frequency - Switching: | 200kHz ~ 2.5MHz |
| Current - Output: | 3.5A |
| Voltage - Output (Max): | 28V |
| Voltage - Output (Min/Fixed): | 0.8V |
| Series: | Automotive, AEC-Q100, SIMPLE SWITCHER® |
| Voltage - Input (Min): | 4V |
| Number of Outputs: | 1 |
| Output Type: | Adjustable |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Part Status: | Active |
| Packaging: | Tube |
Description
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The LMR14030SQDDAQ1 is a member of the DC-DC switching regulator family of integrated circuits. It is primarily used to provide a regulated voltage output in consumer, automotive and industrial applications, ranging from 3.3 V to 5 V. It is a highly efficient and cost effective solution that provides optimal performance in converter applications, and provides a low cost, reliable and efficient method of voltage regulation.The LMR14030SQDDAQ1 is a step-down converter which takes a higher voltage input, typically 12V and 12V-24V in the case of consumer electronics devices, providing a regulated voltage output, typically 3.3V to 5V. The LMR14030SQDDAQ1 also has a feature known as \'Soft Start\', which gradually ramps up the output voltage from the initial low voltage level to the desired regulated value as set by the users input.The output voltage is regulated using PWM (or pulse width modulation). This is a technique in which the power switch for the DC-DC converter rapidly switches on and off to generate a regulated output voltage. The frequency of the pulses produced is determined by the control loop of the device, which is set by the users input. The pulse width is proportional to the input voltage, which allows the device to adjust the average output voltage to maintain a constant regulated voltage. The higher the input voltage, the larger the pulse width, and the more energy is converted.The switching frequency of the DC-DC converter is also user adjustable, allowing the user to set the operating frequency of the converter to suit the system\'s requirements. The switching frequencies range from 30KHz to 300KHz. The higher frequencies offer higher efficiency compared to the lower frequencies, but the noise produced by the higher frequencies may make them unsuitable for some applications.The LMR14030SQDDAQ1 also features output over-voltage and over-current protection to ensure that the device does not exceed its rated voltage and current load specifications. This protection prevents any damage to the system or the device itself, and helps to ensure optimal performance of the circuit.In summary, the LMR14030SQDDAQ1 is a highly efficient DC-DC switching regulator integrated circuit, providing a low cost and reliable method of obtaining regulated output voltages in consumer, automotive and industrial applications. It uses pulse width modulation to control the output voltage, and can be used with both high and low input voltage ranges. It also features soft start, output over-voltage and over-current protection, and adjustable frequency step-down components, all of which combine to provide a highly reliable, efficient and cost effective solution.
The specific data is subject to PDF, and the above content is for reference
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