| Allicdata Part #: | LM2734YQMKX/NOPB-ND |
| Manufacturer Part#: |
LM2734YQMKX/NOPB |
| Price: | $ 1.02 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC REG BUCK ADJ 1A TSOT23-6 |
| More Detail: | Buck Switching Regulator IC Positive Adjustable 0.... |
| DataSheet: |  LM2734YQMKX/NOPB Datasheet/PDF |
| Quantity: | 1000 |
| 3000 +: | $ 0.92169 |
Specifications
| Voltage - Output (Min/Fixed): | 0.8V |
| Base Part Number: | LM2734 |
| Supplier Device Package: | TSOT-23-6 |
| Package / Case: | SOT-23-6 Thin, TSOT-23-6 |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Synchronous Rectifier: | No |
| Frequency - Switching: | 550kHz |
| Current - Output: | 1A |
| Voltage - Output (Max): | 18V |
| Series: | Automotive, AEC-Q100 |
| Voltage - Input (Max): | 20V |
| Voltage - Input (Min): | 3V |
| Number of Outputs: | 1 |
| Output Type: | Adjustable |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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The LM2734YQMKX/NOPB is a part of the chip family of DC-DC Switching Voltage Regulators series manufactured by Texas Instruments (TI). It belongs to a group of Power Management Integrated Circuits (PMICs) designed to not only regulate the voltage but also to provide the necessary current and maximum output power to enable devices to execute their tasks in an efficient manner.
Using the pulse width modulation (PWM) technique together with a high frequency, the IC operates with a quasi-square wave of fixed frequency (typically approximately 400kHz) which after being rectified, it provides the output voltage. LM2734YQMKX/NOPB has a total output power of 32 watts which remains constant after determined for a given temperature and current load.
The LM2734YQMKX/NOPB contains both a primary and a secondary, dynamically adjust the output power available, allowing the regulators to operate over a wide range of input voltage. The main control element of the circuit is an internal adaptive comparator that compares the feedback signal of the output voltage with the reference voltage (output set point). Once the adjustable reference voltage is pre-set, the dynamic current source consists of a voltage mode loop and an external voltage that serves as the output set point.
The typical application of LM2734YQMKX/NOPB is as power supply regulator for microcontrollers requiring a fixed 5V output voltage. Additionally, the IC can be successfully applied in car electrical systems, portable battery powered devices, lighting nets and many other voltage regulator applications.
The LM2734YQMKX/NOPB IC is composed by a temperature protected P-FET transistor which together with the internal current drive section, ensures a steady output voltage even under no or light load conditions.The differential amplifier output of the IC controls the switch duty cycle and its regulated low voltage operation makes it suitable for a wide range of portable and automotive applications.
The voltage protection feature adds an extra level of protection against over voltages created by a transient external sources, such as switching power supplies. The temperature protection feature helps to prevent the IC to be damage due to unexpected temperature variations. It also provides short-circuit protection by disconnecting the output stage with an appropriate hysteresis level, protecting the IC if an out of range voltage is measured.
Furthermore, the LM2734YQMKX/NOPB IC reduces discharge and recharge current pattern, reducing spikes, increasing the lifetime of system components, improving stability and can also reduce resistance. For the long-term operation of the regulator, it comes with an adaptive DC linear regulator (LDO) for a low channel current.
To summarize, the LM2734YQMKX/NOPB chip belongs to the PMIC/Voltage Regulations/DC-DC switching regulators family, whose main features include a wide range of input voltage, total output power of 32 watts, temperature protection and short-circuit protection, discharge and recharge current pattern and an adaptive DC linear regulator.
The specific data is subject to PDF, and the above content is for reference
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