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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Voltage Regulators - DC DC Switching Regulators

Monolithic Power Systems Inc. MP2467DN-LF-P

Name: MP2467DN-LF-P
Brand: Monolithic Power Systems Inc.
SKU: MP2467DN-LF-P
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MP2467DN-LF-P

Manufacturer:: Monolithic Power Systems Inc.

Category:: Voltage Regulators - DC DC Switching Regulators

Package:: 8-SOIC (0.154", 3.90mm Width) Exposed Pad

Datasheet:: MP2467DN-LF-P.pdf

Description:: IC REG BUCK ADJ 2.5A 8SOICE

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Product details

Overview

MP2467DN-LF-P from Monolithic Power Systems is a non-synchronous step-down DC/DC converter with integrated 150mΩ high-side MOSFET, delivering up to 2.5A output current at 500kHz fixed switching frequency across a 6V–36V input range. It features 100µA quiescent current, internal soft-start, and precision current limit without external sense resistor-enabling reliable operation in automotive power rails and battery-powered industrial systems.

For engineers reviewing the MP2467DN-LF-P datasheet, MP2467DN-LF-P pinout, MP2467DN-LF-P application, or MP2467DN-LF-P equivalent, key selection criteria include its SOIC8E thermally enhanced package, 0.8V–30V adjustable output, thermal shutdown (150°C), UVLO thresholds (3.0V rising / 2.6V falling), and bootstrap capacitor dependency for high-side gate drive.

Technical Context

The MP2467DN-LF-P operates in fixed-frequency peak-current-mode control with cycle-by-cycle current limiting and internal 2.6V reference regulation. Its error amplifier delivers 200V/V gain and 60µA/V transconductance, with COMP pin clamped between 0.9V and 2.0V during regulation.

Startup employs a 1.5ms internal soft-start ramp; shutdown occurs via EN pin (1.5V rising / 1.2V falling), VIN UVLO (3.0V/2.6V), or thermal shutdown (150°C with 15°C hysteresis). The floating high-side driver relies on BST–SW bootstrap capacitance and includes dedicated UVLO (2.2V rising, 150mV hysteresis).

Key Specifications

Parameter	Value and Actual Design Meaning
Input Voltage Range	6V to 36V - supports 12V/24V automotive batteries and industrial 24V rails without pre-regulation
Output Current	2.5A continuous - sufficient for powering microcontrollers, sensors, and interface ICs in embedded systems
Switching Frequency	500kHz ±100kHz - enables compact magnetics and low-profile filter design while avoiding AM radio band
Quiescent Current	100µA - extends runtime in always-on battery applications such as telematics or remote sensors
Feedback Voltage	0.8V ±24mV - sets output accuracy and allows precise 3.3V/5V/12V regulation using standard resistor dividers
High-Side R_DS(ON)	150mΩ - limits conduction loss at full load, enabling >90% efficiency at 1A–2A with 12V input
Thermal Shutdown	150°C with 15°C hysteresis - prevents permanent damage during overload or poor PCB heatsinking

Pinout & Package

The MP2467DN-LF-P is housed in a thermally enhanced SOIC8E (SOIC-8 with exposed pad) package, optimized for PCB heat dissipation in high-power density designs.

Pin/Terminal	Circuit Role	Design Meaning
1 SW	Switch Node	Drives external Schottky diode; requires low-inductance layout to minimize voltage spikes and EMI
2 EN	Enable Input	Logic-level control: ≥1.5V enables regulator; ≤1.2V disables with 2µA sink capability
3 COMP	Compensation Node	Error amplifier output; connects to RC network for loop stability and transient response tuning
4 FB	Feedback Input	Senses output voltage divider; compares to 0.8V internal reference to regulate V_OUT
5 GND	Power Ground	Primary return path for high-current switch node; must be connected near output capacitor to reduce noise
6 RSET	Bias Setting	Connects to 200kΩ resistor to set internal bias currents and optimize light-load efficiency
7 VIN	Input Supply	Powers control circuitry and bootstrap regulator; requires local 10µF ceramic decoupling
8 BST	Bootstrap Supply	Provides gate drive voltage for high-side MOSFET; requires 0.1µF ceramic capacitor to SW

Key Features

Feature	Design Value
Ceramic capacitor stable	Supports low-ESR ceramic output capacitors without requiring minimum ESR for stability
Internal soft-start	1.5ms controlled ramp prevents output overshoot and inrush current during power-up
Precision current limit	2.9A–3.5A cycle-by-cycle limit without external sense resistor, reducing BOM count and board space
Frequency foldback	Reduces switching frequency under light load to maintain >85% efficiency down to 10mA output
Bootstrap UVLO protection	2.2V BST undervoltage lockout prevents shoot-through and ensures safe high-side gate drive

Applications

Automotive Infotainment Power

Industrial Sensor Node Supply

Use Scenario: Powers display controllers and audio codecs in vehicle head units with 12V/24V battery input.

IC Role / Device Role / Timing Role: Primary 3.3V/5V step-down regulator providing clean, regulated rail with fast load transient response.

Use Value: 100µA quiescent current minimizes parasitic drain during vehicle sleep mode; 36V absolute max rating withstands load-dump transients.

Use Scenario: Supplies 1.8V core voltage to low-power microcontrollers and analog front-ends in wireless sensor nodes.

IC Role / Device Role / Timing Role: Adjustable-output buck converter configured for 1.8V with tight 0.8V feedback reference.

Use Value: Internal current limit eliminates need for external sense resistor, reducing component count and PCB area in space-constrained modules.

Printer Motor Drive Logic Rail

Game Console Peripheral Interface

Use Scenario: Generates stable 5V logic supply for stepper motor drivers and communication interfaces in multi-function printers.

IC Role / Device Role / Timing Role: High-efficiency non-synchronous buck delivering 2.5A peak current during motor commutation bursts.

Use Value: 150mΩ R_DS(ON) limits thermal rise during intermittent 2A loads; SOIC8E exposed pad aids thermal management on FR4 boards.

Use Scenario: Provides 3.3V I/O rail for USB-C PD negotiation ICs and HDMI level shifters in handheld gaming accessories.

IC Role / Device Role / Timing Role: Compact, low-noise buck converter supporting dynamic voltage scaling during variable processing loads.

Use Value: 500kHz switching enables small 4.7µH inductors and 22µF ceramic output caps, meeting strict EMI requirements for consumer electronics.

Equivalent & Alternatives

The following parts are listed as comparable options for similar step-down converter applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MP2451DJ-LF-Z	Lower 0.8A output current; same 6V–36V input and 500kHz frequency; no RSET pin	Not suitable for >1A loads; lacks bias-setting flexibility for ultra-low-I_Q optimization	Select only when output current ≤0.8A and thermal budget permits smaller package (TSOT23-6)
LM2678SD-5.0/NOPB	Fixed 5V output; 5A rating; 260kHz switching; requires external compensation and current sense	Higher current but lower frequency increases inductor size; no adjustable output or internal soft-start	Choose for fixed 5V, high-current needs where board space allows larger magnetics and additional passives

Compared with MP2467DN-LF-P, MP2451DJ-LF-Z trades output capability for footprint reduction, while LM2678SD-5.0/NOPB offers higher current at the cost of design complexity and inflexibility in output voltage and startup behavior.

Availability

MP2467DN-LF-P is available at Aetrix Electronics and suitable for automotive infotainment power, industrial sensor node supply, and printer motor drive logic rails requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MP2467DN-LF-P includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Monolithic Power Systems (MPS) is a fabless semiconductor company specializing in high-performance analog and power ICs, with design centers in the US, China, and Taiwan.

The MP2467 product line targets high-voltage, medium-current DC/DC conversion in automotive, industrial, and consumer applications where wide input range, low quiescent current, and integrated MOSFETs simplify system design.

FAQ

What is the maximum allowable input voltage for MP2467DN-LF-P?

The absolute maximum input voltage is 40V, but the recommended operating range is 6V to 36V. Exceeding 36V may trigger overvoltage stress on internal circuitry despite the 40V rating, and sustained operation above 36V voids reliability guarantees per the datasheet's Recommended Operating Conditions table.

Can MP2467DN-LF-P operate with a 5V input?

Yes, but only if an external bootstrap diode (e.g., BAT54) is added between VIN and BST, as specified in the datasheet's "External Bootstrap Diode" section. Without it, insufficient bootstrap voltage causes high-side MOSFET turn-off failure below ~6.3V input due to gate drive collapse.

Is the RSET pin mandatory for operation?

Yes - a 200kΩ resistor must be connected from RSET to GND to set internal bias currents. Omitting it results in undefined startup behavior, unstable regulation, and potential thermal runaway, as confirmed by the Pin Functions table and Application Information section.

Does MP2467DN-LF-P support synchronous rectification?

No - it is a non-synchronous buck converter requiring an external Schottky diode (e.g., B340A-13-F) connected from SW to GND. The datasheet explicitly states "non-synchronous" in the OPERATION section and provides no gate drive for a low-side MOSFET.

What is the minimum output voltage achievable with MP2467DN-LF-P?

The minimum regulated output is 0.8V, set by the internal feedback reference voltage. This is confirmed in both the Recommended Operating Conditions table (V_OUT = 0.8V to 30V) and the Feedback Voltage specification (0.776V to 0.824V typical).

How does frequency foldback improve light-load efficiency?

At light loads, the controller reduces switching frequency to lower gate-driving and switching losses - verified by the Efficiency vs. Load Current curves showing >85% efficiency at 10mA with 12V input. This behavior is enabled automatically and requires no external configuration.

What thermal resistance values apply to the SOIC8E package?

The SOIC8E package has θ_JA = 50°C/W and θ_JC = 10°C/W when mounted on a 4-layer JEDEC-standard PCB (JESD51-7). These values are critical for calculating junction temperature rise and must be used with the 2.5W maximum power dissipation rating at +25°C ambient.

MP2467DN-LF-P Specifications

Product attributes: Attribute value

Manufacturer:: Monolithic Power Systems Inc.

Series:: -

Package/Case:: 8-SOIC (0.154", 3.90mm Width) Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Function:: Step-Down

Output Configuration:: Positive

Topology:: Buck

Output Type:: Adjustable

Number of Outputs:: 1

Voltage - Input (Min):: 6V

Voltage - Input (Max):: 36V

Voltage - Output (Min/Fixed):: 0.8V

Voltage - Output (Max):: 30V

Current - Output:: 2.5A

Frequency - Switching:: 500kHz

Synchronous Rectifier:: No

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 8-SOICE

MP2467DN-LF-P FAQ

1.How can I place an order for MP2467DN-LF-P through Aetrix?

Please submit a Request for Quotation (RFQ) for MP2467DN-LF-P on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for MP2467DN-LF-P reliable?

The price and inventory of MP2467DN-LF-P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MP2467DN-LF-P is usually 5 days.

3.What payment methods are accepted for MP2467DN-LF-P?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MP2467DN-LF-P transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MP2467DN-LF-P?

MP2467DN-LF-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MP2467DN-LF-P order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for MP2467DN-LF-P?

For technical support, including MP2467DN-LF-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MP2467DN-LF-P requirements.

6.How does Aetrix verify that MP2467DN-LF-P is sourced from the original manufacturer or authorized distributors?

All MP2467DN-LF-P products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MP2467DN-LF-P meets industry standards.

7.What is the process for return or replacement of MP2467DN-LF-P?

All MP2467DN-LF-P units undergo pre-shipment inspection (PSI). If there is an issue with MP2467DN-LF-P, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The MP2467DN-LF-P part is unused and in its original packaging.

Return procedure for MP2467DN-LF-P:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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