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LM21305SQE/NOPB The Texas Instruments LM21305SQE/NOPB is a synchronous buck regulator designed for efficient power conversion. It supports a wide input voltage range and delivers up to 5A of load current.
Mfr Part #:

LM21305SQE/NOPB

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM21305SQE/NOPB is a synchronous buck regulator designed for efficient power conversion. It supports a wide input voltage range and delivers up to 5A of load current.
✓ Total Stock: 20,174 pcs
$ Price Range: $4.04

LM21305SQE/NOPB Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
20,089 pcs
On Request
20089 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
85 pcs
On Request
85 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LM21305SQE/NOPB Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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LM21305SQE/NOPB Description

Short technical summary and product information.

The Texas Instruments LM21305SQE/NOPB is a high-efficiency synchronous DC-DC converter. It operates with an input voltage range of 3V to 18V and can supply a load current of up to 5A. This regulator features an adjustable switching frequency, which can be set anywhere between 300kHz and 1.5MHz, and supports external frequency synchronization.

 

Key electrical characteristics include an accurate 0.598V feedback voltage reference, peak current-mode control, and internal slope compensation for stable operation. The device is designed for ultra-fast line and load transient response and offers an ultra-low shutdown quiescent current. It is housed in a 28-WQFN (5x5) package, suitable for surface mount applications.

 

This component is ideal for power management applications requiring a compact and efficient step-down voltage conversion solution. Its adjustable frequency and wide operating range make it versatile for various design needs.

LM21305SQE/NOPB Quick Information

Product Type: Synchronous Buck Regulator
Series: LM21305
Canonical Name: Texas Instruments LM21305SQE/NOPB Synchronous Buck Regulator
Subcategory: Buck Converter

LM21305SQE/NOPB Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM21305SQE/NOPB Estimated Pricing

Qty Low High
1+ $4.04 $4.04

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM21305SQE/NOPB Features

  • High-efficiency synchronous DC-DC converter.
  • Wide input voltage range: 3V to 18V.
  • Load current as high as 5A.
  • Adjustable switching frequency: 300kHz to 1.5MHz.
  • Surface mount 28-WQFN package.

LM21305SQE/NOPB Applications

  • Point-of-load regulation in distributed power systems.
  • Set-top boxes and cable modems.
  • Industrial and automotive power supplies.
  • FPGA and DSP core voltage regulation.

LM21305SQE/NOPB FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LM21305SQE/NOPB?

The input voltage range is 3V to 18V.

What package does the LM21305SQE/NOPB come in?

It comes in a 28-WFQFN Exposed Pad package, also known as 28-WQFN (5x5).

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

What is the maximum output current?

5A.

What is the switching frequency range?

300kHz to 1.5MHz.

Is the output voltage adjustable?

Yes, the output voltage is adjustable with a 0.598V feedback reference.

Does it have synchronous rectification?

Yes, it features synchronous rectification.

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