LM51561HPWPR

Switching Controllers 2.2-MHz wide VIN nonsynchronous boost, flyback, & SEPIC controller with spread spectrum and hiccup 14-HTSSOP -40 to 150
5,584 Effective Inventory

LM51561HPWPR

Effective Inventory5,584

Switching Controllers 2.2-MHz wide VIN nonsynchronous boost, flyback, & SEPIC controller with spread spectrum and hiccup 14-HTSSOP -40 to 150

Quality Assurance

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

ship1 ship2 ship3 ship4 ship5 ship6

Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

questionContent1 questionContent2 questionContent3 questionContent4 ctc pelican express chunghwa post

About Payment

We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.

If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

wire

WireTransfer

questionContent7

Paypal

cc

CreditCard

western

WesternUnion

mg

MoneyGram

Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

pg

Example

Tape and Reel

Tape and Reel

Cut Tape

Cut Tape

Tube or Tray

Tube or Tray

LM51561HPWPR DataSheet
no-price

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

Rapid Quote

Please submit RFQ for LM51561HPWPR or email to us: Email: [email protected], we will contact you in 12 hours.

Details

The LM51561HPWPR is a versatile boost controller designed for a wide input range, making it suitable for various applications. Using peak current mode control, this device can be utilized in boost, SEPIC, and flyback topologies with ease. Whether you need to increase voltage levels or regulate power delivery, this controller has you covered

Key Features

  • Simplify designs for improved efficiency.
  • Enhance system reliability and accuracy.
  • Streamline power management with ease.
  • Optimize battery life for extended use.
  • Reduce EMI and minimize interference.
  • Maximize performance with robust protection.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Topology Boost, Flyback, SEPIC Vin (min) (V) 1.5
Vin (max) (V) 40 Vout (min) (V) 1.5
Vout (max) (V) 300 Regulated outputs (#) 1
Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 500
Iq (typ) (mA) 0.49 Features Adjustable current limit, Enable, Frequency synchronization, Hiccup mode protection, Light Load Efficiency, Nonsynchronous rectification, Power good, UVLO adjustable
Duty cycle (max) (%) 93 TI functional safety category Functional Safety-Capable
Rating Catalog Operating temperature range (°C) -40 to 150
Type Controller

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM51561HPWPR PDF Download

FAQs

What is LM51561HPWPR?

The LM51561HPWPR is a synchronous step-down DC-DC converter designed by Texas Instruments. It is ideal for applications requiring efficient power conversion, such as industrial automation, automotive electronics, and telecommunication systems.

How Does LM51561HPWPR Work?

The LM51561HPWPR operates by converting a higher input voltage to a lower output voltage with high efficiency. It utilizes synchronous rectification to minimize power loss and maximize efficiency. The converter includes features such as pulse frequency modulation (PFM) and pulse width modulation (PWM) modes for improved light-load efficiency and transient response.

How Many Pins does LM51561HPWPR have and What are the Functions of the Pinout Configuration?

The LM51561HPWPR is housed in a 20-pin HTSSOP (PowerPAD) package. The pinout configuration includes:

  • VIN: Input voltage pin.
  • SW: Switching node pin.
  • PGND: Power ground pin.
  • BOOT: Bootstrap capacitor pin for the high-side NMOS switch.
  • LX: Inductor connection pin for the low-side NMOS switch.
  • FB: Feedback voltage pin.
  • SS/TR: Soft-start/tracking pin for controlling start-up time or output voltage tracking.
  • EN: Enable pin for turning the device on and off.
  • COMP, VCC, AGND, PGND: Compensation, voltage input, analog ground, and power ground pins for the internal control circuitry.

What are the Pros and Cons of LM51561HPWPR?

Pros:

  • High Efficiency: Achieves high efficiency through synchronous rectification and advanced control modes.
  • Wide Input Voltage Range: Suitable for applications with a wide range of input voltages.
  • Small Footprint: Compact package design for space-constrained applications.
  • Integrated Features: Includes integrated compensation, soft-start, and enable control.
  • Flexible Applications: Can be used in various power supply designs, including point-of-load regulation and battery-powered systems.

Cons:

  • External Components: May require additional external components such as inductors and capacitors for specific applications.
  • Thermal Considerations: Requires careful thermal design due to power dissipation in the converter.
  • Complexity: Synchronous converters may require more careful design considerations compared to non-synchronous alternatives.

Are There Any Equivalents/Alternatives to LM51561HPWPR for Recommendation?

  • The LM43603 from Texas Instruments is a similar synchronous step-down converter with different features and performance characteristics.
  • Alternatives to the LM51561HPWPR include the TPS54332 from Texas Instruments and the LT8610 from Analog Devices.

Recommend Parts

  • LM629M-8

    LM629M-8

    LM629M-8 Precision Motor Controller in 24-Pin SOIC Package

    Brand: Texas Instruments Package/Case: SOIC-24

    4,038 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LM1851N

    LM1851N

    The LM1851N is a reliable and user-friendly solution for monitoring and regulating current and power in a wide range of applications

    Brand: Texas Instruments Package/Case: PDIP

    4,006 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LM1117DT-ADJ

    LM1117DT-ADJ $0.211

    Linear Voltage Regulators with 1.25V~13.8V adjustable positive electrode

    Brand: Texas Instruments Package/Case: TO-252-3

    4,471 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LMZ14203TZ-ADJ

    LMZ14203TZ-ADJ

    Efficient 18W 7-pin configuration module suitable for PMOD integration

    Brand: Texas Instruments Package/Case: TOPMOD-7

    3,646 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LM3524DM

    LM3524DM $0.718

    With its flexible design, LM3524DM offers customizable control over power delivery

    Brand: Texas Instruments Package/Case: SOIC-Narrow-16

    5,900 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LM2594HVM-12

    LM2594HVM-12 $0.744

    This voltage regulator is designed for step-down applications and comes in an 8-SOIC package

    Brand: Texas Instruments Package/Case: SOIC-8

    3,384 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LM20343MH

    LM20343MH

    Efficient voltage regulation for various applications

    Brand: Texas Instruments Package/Case: TSSOP EP

    7,388 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LM5009AMM

    LM5009AMM

    LM5009AMM is a 0.36A switching regulator in a PDSON8 MSOP-8 package that offers efficient power conversion

    Brand: Texas Instruments Package/Case: MSOP-8

    6,684 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LM5008ASD/NOPB

    LM5008ASD/NOPB

    Conv DC-DC regulator for step-up or step-down applications

    Brand: Texas Instruments Package/Case: WSON-8

    6,562 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LM5008AMM/NOPB

    LM5008AMM/NOPB

    Switching Voltage Regulators 100V,350Ma Buck Reg

    Brand: Texas Instruments Package/Case: VSSOP-8

    7,016 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LM26420XSQ/NOPB

    LM26420XSQ/NOPB

    Dual 2 A, high-efficiency synchronous DC/DC converter 16-WQFN -40 to 125

    Brand: Texas Instruments Package/Case: WQFN-16

    6,040 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LMV431BIMF/NOPB

    LMV431BIMF/NOPB $0.457

    Voltage References LOW-VLTG, 1.24V, ADJ PREC SHUNT REG

    Brand: Texas Instruments Package/Case: SOT23-3

    5,276 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LMR33630CDDA

    LMR33630CDDA

    SIMPLE SWITCHER® 3.8V to 36V, 3A Synchronous Buck Converter With Ultra-Low EMI 8-SO PowerPAD -40 to 125

    Brand: Texas Instruments Package/Case: SO PowerPAD-8

    4,333 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LMR33630ADDA

    LMR33630ADDA $0.675

    Synchronous operation

    Brand: Texas Instruments Package/Case: HSOIC (DDA)-8

    3,087 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LMR33620BDDAR

    LMR33620BDDAR $0.923

    Switching Voltage Regulators SIMPLE SWITCHER® 3.8V to 36V, 2A Synchronous Buck Converter With Ultra-Low EMI 8-SO PowerPAD -40 to 125

    Brand: Texas Instruments Package/Case: HSOIC-8

    7,040 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1

  • LMR23615DRRT

    LMR23615DRRT

    SIMPLE SWITCHER®, 36-V, 1.5-A Synchronous Step-Down Converter 12-WSON -40 to 125

    Brand: Texas Instruments Package/Case: WSON-12

    3,948 In Stock

    Cargo cycle: 3~7 Days

    The minimum order is 1