LM2670SD-3.3 Integrated Circuits (ICs) |
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Allicdata Part #: | LM2670SD-3.3TR-ND |
Manufacturer Part#: |
LM2670SD-3.3 |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG BUCK 3.3V 3A 14VSON |
More Detail: | Buck Switching Regulator IC Positive Fixed 3.3V 1 ... |
DataSheet: | LM2670SD-3.3 Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | SIMPLE SWITCHER® |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Function: | Step-Down |
Output Configuration: | Positive |
Topology: | Buck |
Output Type: | Fixed |
Number of Outputs: | 1 |
Voltage - Input (Min): | 8V |
Voltage - Input (Max): | 40V |
Voltage - Output (Min/Fixed): | 3.3V |
Voltage - Output (Max): | -- |
Current - Output: | 3A |
Frequency - Switching: | 260kHz |
Synchronous Rectifier: | No |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Mounting Type: | Surface Mount |
Package / Case: | 14-VDFN Exposed Pad |
Supplier Device Package: | 14-VSON (5x6) |
Base Part Number: | LM2670 |
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DC DC switching regulators are among the most efficient ways to regulate power in a wide range of applications. In comparison to linear-type voltage regulators, where the output voltage is determined by a series of resistors and capacitors, switching regulators offer greater accuracy and efficiency. By converting the input voltage to a higher or lower voltage, switching regulators are able to provide a more reliable and efficient source of power. One example of a DC DC switching regulator is the LM2670SD-3.3, which is commonly used in industrial, automotive, and consumer applications.
The LM2670SD-3.3 is a step-down DC DC switching regulator that uses fixed frequency pulse-width modulation (PWM) to maintain a regulated output voltage. The LM2670SD-3.3 includes a low power Standby Mode with an enable control pin, allowing the user to reduce system power consumption during periods of inactivity. As the input voltage increases, the output voltage can be maintained within a ±2% max error range. Additionally, the LM2670SD-3.3 has a selectable fixed frequency, from 200 kHz to 1.5 MHz, allowing the user to select an operating frequency that minimizes EMI and maximizes efficiency. The device also features programmable soft-start, allowing for an adjustable rise time. Other features include thermal shutdown, short circuit protection, and overvoltage protection.
The LM2670SD-3.3 is used in a wide range of applications, including industrial, automotive, and consumer applications. The device is used to step-down or step-up DC voltage, allowing it to be used in power supplies where the input voltage is higher or lower than the output, respectively. The LM2670SD-3.3 is also well suited for use in distributed power systems, such as in multifunction power supplies. Additionally, the LM2670SD-3.3 can be used in battery-powered applications to extend battery life by efficiently managing power consumption.
The LM2670SD-3.3 is capable of regulating a wide range of output voltages, from 0.9 to 5V. It is designed to handle up to 3A loads, with peak output current ratings up to 6A. The device is available in a compact 5-pin SIP package and is specified over an extended -40°C to +85°C temperature range. It has a wide input voltage range from 5 to 18V, making it well-suited for use with 12V, 24V, and 48V inputs. The device is also RoHS compliant.
The LM2670SD-3.3 is able to provide a stable and reliable source of power. It incorporates a PWM control circuit that switches the power transistors on and off at a fixed frequency. The duty cycle of the output voltage is adjusted to maintain a regulated power output. The output voltage is compared against a reference voltage, and the circuit is designed to respond quickly and accurately to changes in load. The internal soft-start circuitry prevents output voltage overshoot and reduces turn-on stress.
The LM2670SD-3.3 is a reliable and versatile switching regulator, providing a highly efficient means of regulating power. It is designed to provide excellent load and line regulation, as well as low noise and ripple. It is also designed to have low EMI, making it suitable for medical, audio, and video applications. With its wide input voltage range, adjustable frequency, and adjustable soft-start, the LM2670SD-3.3 is an ideal solution for a wide range of power supply applications.
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