What is the Additional Feature ?

Name: LM5155QDSSRQ1
Brand: Texas Instruments
SKU: LM5155QDSSRQ1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments LM5155QDSSRQ1

Part No.:: LM5155QDSSRQ1

Manufacturer:: Texas Instruments

Package:: 12-WFDFN Exposed Pad

Datasheet:: LM5155QDSSRQ1.pdf

Description:: IC POWER MANAGEMENT

In Stock:: 3568

Quantity:: Add To Cart

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LM5155QDSSRQ1 Specifications

Package/Case:
12-WFDFN Exposed Pad
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive, AEC-Q100
ProductStatus:
Active
OutputType:
Transistor Driver
Function:
Step-Up, Step-Up/Step-Down
OutputConfiguration:
Positive
Topology:
Boost, Flyback, SEPIC
NumberofOutputs:
1
OutputPhases:
1
Voltage-Supply(Vcc/Vdd):
2.97V ~ 45V
Frequency-Switching:
100kHz ~ 2.2MHz
DutyCycle(Max):
93%
SynchronousRectifier:
No
ClockSync:
Yes
SerialInterfaces:
-
ControlFeatures:
Soft Start
OperatingTemperature:
-40°C ~ 150°C (TJ)
MountingType:
Surface Mount, Wettable Flank

LM5155QDSSRQ1 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LM5155QDSSRQ1 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for LM5155QDSSRQ1 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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LM5155QDSSRQ1 information

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LM5155QDSSRQ1 Typical application Circuitry

The LM5155QDSSRQ1 is a flexible and high-performance switching regulator from Texas Instruments. Its primary function is to regulate and convert power, enabling efficient operation across a wide input voltage range.

Applications of LM5155QDSSRQ1:

The LM5155QDSSRQ1 is designed for versatility, being used in an array of applications that require efficient power conversion. Notably, this chip sees wide use in sectors like automotive electronics, power supply modules, and industrial control systems.

Key Features and Parameters of LM5155QDSSRQ1:

- Input Voltage Range: The LM5155QDSSRQ1 can accommodate an expansive input voltage range from 3V to 65V. This makes it a viable solution for many different types of systems.

- Switching Frequency: The chip can operate with a high switching frequency up to 2.5MHz, offering flexibility in power supply design. - Efficiency: With synchronous rectification and low quiescent current, the chip maintains high efficiency across a broad spectrum of load conditions.

- Protection Mechanisms: The LM5155QDSSRQ1 incorporates several protection features, such as thermal shutdown, undervoltage lockout (UVLO), and cycle-by-cycle current limit.

Example Circuit and Pin Configuration for LM5155QDSSRQ1:

For a typical step-down (buck) converter application, the LM5155QDSSRQ1 can be implemented as follows:

1. Input Pin (VIN, Pin 1): Your power supply needs to be attached to this pin. Verify that your source voltage is within the chip's specified operating range.

2. Bootstrap Pin (BOOT, Pin 2): Attach a bootstrap capacitor between this pin and the PH pin. This capacitor supports the high-side MOSFET gate drive voltage.

3. Enable/Undervoltage Lockout Pin (EN/UVLO, Pin 3): If this pin is driven low or not connected, the device will be inactive. To turn the chip on, apply an appropriate voltage as defined in the datasheet.

4. Feedback Pin (FB, Pin 7): Connect this pin to a voltage divider from the output to establish the output voltage level.

5. Ground Pin (GND, Pin 4): By connecting it to the system ground, you can.

Design Considerations:

- Input Voltage Range: Ensure that your system's supply voltage aligns with the input voltage range of the LM5155QDSSRQ1.

- Selection of External Components: When selecting components like inductors and capacitors, be certain to choose suitable values that match your application to maximize circuit efficiency and stability.

- Thermal Considerations: Although the LM5155QDSSRQ1 has built-in thermal shutdown, it's crucial to manage heat dissipation, particularly in high-power applications.

- PCB Layout: The printed circuit board (PCB) layout should be optimized to reduce noise and promote effective heat dissipation.

As always, for complete and detailed information, it's advised to refer to the LM5155QDSSRQ1 datasheet and any relevant application notes.

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6. What is the process for return or replacement of LM5155QDSSRQ1?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LM5155QDSSRQ1 we delivered, we will accept the replacement or return of the LM5155QDSSRQ1 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LM5155QDSSRQ1.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations