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MPQ4559DQ-AEC1-LF-Z The MPQ4559DQ-AEC1-LF-Z is a Monolithic Power Systems DC-DC switching regulator. It features an adjustable output, 1.5A current capability, and operates as a step-down buck converter.
Mfr Part #:

MPQ4559DQ-AEC1-LF-Z

Available from 1 distributors
Mfr Name: Monolithic Power Systems
Monolithic Power Systems
The MPQ4559DQ-AEC1-LF-Z is a Monolithic Power Systems DC-DC switching regulator. It features an adjustable output, 1.5A current capability, and operates as a step-down buck converter.
✓ Total Stock: 2,175 pcs
$ Price Range: $1.08

MPQ4559DQ-AEC1-LF-Z Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2,175 pcs
On Request
2175 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.

MPQ4559DQ-AEC1-LF-Z Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Frequency
Function
Industrial Grade
Lead Style
Medical Grade
Military Grade
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Supplier Device Package
Supplier Package
Synchronous Rectifier
Tape & Reel
Topology
Voltage
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MPQ4559DQ-AEC1-LF-Z Description

Short technical summary and product information.

The MPQ4559DQ-AEC1-LF-Z from Monolithic Power Systems is a versatile DC-DC switching regulator designed for step-down (buck) conversion. This component offers an adjustable output voltage and can handle up to 1.5A of current. It operates with a positive output configuration and features a synchronous rectifier, though it is not specified as synchronous.

 

Designed for surface mount applications, the regulator is housed in a compact 10-QFN (3x3) package with an exposed pad for enhanced thermal performance. The operating temperature range is specified from -40°C to 125°C (TJ), making it suitable for a variety of environmental conditions. The device operates at frequencies up to 2MHz, allowing for efficient power conversion.

 

This component is classified under Power Management ICs and specifically within the Voltage Regulators - DC DC Switching Regulators category. Its RoHS status is listed as RoHS3 Compliant, with an MSL rating of 1 Unlimited and REACH status as Unaffected. However, these compliance details are marked with low confidence and require verification.

MPQ4559DQ-AEC1-LF-Z Quick Information

Product Type: Voltage Regulator
Series: MPQ4559
Canonical Name: MPQ4559DQ-AEC1-LF-Z Voltage Regulator
Subcategory: Voltage Regulator

MPQ4559DQ-AEC1-LF-Z Compliance

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

MPQ4559DQ-AEC1-LF-Z Estimated Pricing

Qty Low High
1+ $1.08 $1.08

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

MPQ4559DQ-AEC1-LF-Z Features

  • Adjustable output voltage capability.
  • 1.5A maximum output current.
  • Step-down buck topology.
  • Operates up to 2MHz frequency.
  • Surface mount 10-QFN package.

MPQ4559DQ-AEC1-LF-Z Applications

  • Suitable for power management applications.
  • Used in DC-DC conversion circuits.
  • Ideal for space-constrained designs.
  • Wide operating temperature range.

MPQ4559DQ-AEC1-LF-Z FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the MPQ4559DQ-AEC1-LF-Z?

3.8V.

What is the output current capability?

1.5A.

What is the function and topology of this regulator?

Step-down buck regulator.

Is the output voltage adjustable?

Yes, it is adjustable.

What is the switching frequency?

Up to 2MHz.

What is the operating temperature range?

-40°C to 125°C (junction).

What package is the device available in?

10-VFDFN Exposed Pad (10-QFN 3x3mm).

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