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MP2105DJ-LF-P The Monolithic Power Systems MP2105DJ-LF-P is an adjustable DC-DC switching regulator. It features a step-down buck topology with 800mA output current and operates at 1.05MHz.
Mfr Part #:

MP2105DJ-LF-P

Available from 1 distributors
Mfr Name: Monolithic Power Systems
Monolithic Power Systems
The Monolithic Power Systems MP2105DJ-LF-P is an adjustable DC-DC switching regulator. It features a step-down buck topology with 800mA output current and operates at 1.05MHz.
✓ Total Stock: 3,000 pcs
$ Price Range: $1.08

MP2105DJ-LF-P Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Risen Electronics ✓
Non-Authorised Inventory information
3,000 pcs
On Request
3000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
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.

MP2105DJ-LF-P Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Industrial Grade
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
SVHC Present
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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MP2105DJ-LF-P Description

Short technical summary and product information.

The MP2105DJ-LF-P from Monolithic Power Systems is a versatile DC-DC switching regulator designed for step-down (buck) applications. This adjustable regulator provides a positive output and features a synchronous rectifier for improved efficiency.

 

Key electrical specifications include an 800mA output current capability and an operating frequency of 1.05MHz. The device supports an input voltage of 2.5V and is designed for adjustable output configurations. Its operating temperature range is -40°C to 85°C (TA).

 

The MP2105DJ-LF-P is housed in a compact TSOT-23-5 package, suitable for surface mounting. This makes it an ideal choice for designs where space is a constraint. The regulator's adjustable output and efficient buck topology make it suitable for a variety of power management applications.

 

Compliance information indicates RoHS3 compliance, Moisture Sensitivity Level 1 (Unlimited), and REACH Unaffected status. However, this compliance data is derived from low-confidence precomputed fields and should be verified with the manufacturer's datasheet.

MP2105DJ-LF-P Quick Information

Product Type: DC-DC Switching Regulator
Canonical Name: Monolithic Power Systems MP2105DJ-LF-P DC-DC Switching Regulator
Subcategory: DC-DC Switching Regulator

MP2105DJ-LF-P Compliance

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

MP2105DJ-LF-P Estimated Pricing

Qty Low High
1+ $1.08 $1.08

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

MP2105DJ-LF-P Features

  • Adjustable step-down buck regulator
  • 800mA output current capability
  • 1.05MHz switching frequency
  • TSOT-23-5 surface mount package
  • Wide -40°C to 85°C operating temperature

MP2105DJ-LF-P Applications

  • Power management applications
  • Space-constrained designs
  • Adjustable voltage output needs
  • Efficient DC-DC conversion

MP2105DJ-LF-P FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output current capability of the MP2105DJ-LF-P?

The MP2105DJ-LF-P can deliver up to 800mA of continuous output current.

What is the switching frequency of this regulator?

The switching frequency is fixed at 1.05MHz.

What package does the MP2105DJ-LF-P come in?

It is offered in a thin TSOT-23-5 surface-mount package.

What is the operating temperature range?

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

Is the output voltage fixed or adjustable?

The output voltage is adjustable.

Does this regulator use synchronous rectification?

Yes, it features synchronous rectification.

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