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

Monolithic Power Systems Inc. MP2467DN-LF-Z

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

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Part No.:: MP2467DN-LF-Z

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-Z.pdf

Description:: IC REG BUCK ADJ 2.5A 8SOICE

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Product details

Overview

MP2467DN-LF-Z 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 6V–36V input range. It features 100µA quiescent current, internal soft-start, precision current limit without external sense resistor, and operates in automotive and industrial power systems requiring stable 0.8V–30V adjustable output.

For engineers reviewing the MP2467DN-LF-Z datasheet, MP2467DN-LF-Z pinout, MP2467DN-LF-Z application, or MP2467DN-LF-Z equivalent, key selection criteria include its SOIC8E thermally enhanced package, 36V absolute max input rating, thermal shutdown at 150°C, and compatibility with ceramic output capacitors for low-ESR stability.

Technical Context

The MP2467DN-LF-Z implements peak current-mode control with a fixed 500kHz oscillator and internal 0.8V reference, enabling fast transient response and simplified loop compensation via the COMP pin. Its current comparator blanks during switch turn-on to suppress noise, and cycle-by-cycle current limiting ensures robust overcurrent protection without external sensing.

It integrates a bootstrap regulator for high-side gate drive, with BST-to-SW UVLO (2.2V threshold) and internal 2.6V bias rail powered from VIN. The EN pin provides enable control with 1.5V rising and 1.2V falling thresholds, while UVLO protects operation below 3.0V VIN with 0.35V hysteresis.

Key Specifications

Parameter	Value and Actual Design Meaning
Input Voltage Range	6V to 36V - supports automotive battery (12V/24V), industrial rails, and wide-input distributed power systems.
Output Current	2.5A continuous - sufficient for powering microcontrollers, sensors, and interface ICs in embedded applications.
Switching Frequency	500kHz ±20% - enables compact magnetics and filtering while balancing efficiency and EMI performance.
Quiescent Current	100µA - minimizes standby power loss in battery-powered devices such as portable instrumentation or remote sensors.
Feedback Voltage	0.8V ±2.4% - sets output regulation accuracy; used with external resistor divider to configure 0.8V–30V output range.
High-Side R_DS(ON)	150mΩ - reduces conduction loss at full load, supporting >90% efficiency at mid-load with proper layout.
Thermal Shutdown	150°C with 15°C hysteresis - prevents permanent damage during overload or poor heatsinking; auto-recovery on cooldown.

Pinout & Package

The MP2467DN-LF-Z is housed in a thermally enhanced SOIC8E (SOIC-8 with exposed pad) package, optimized for power dissipation in space-constrained PCB layouts. The exposed pad must be soldered to a thermal plane for reliable operation at full load.

Pin/Terminal	Circuit Role	Design Meaning
1 SW	Switch Node	Drives external Schottky diode; high dv/dt node requiring tight layout and minimal trace length to reduce EMI and ringing.
2 EN	Enable Input	Logic-level control: >1.5V enables regulator; <1.2V disables it; internally pulled up to ~3V if left floating.
3 COMP	Compensation Node	Error amplifier output; connects to RC network for loop stability tuning-critical for transient response and phase margin.
4 FB	Feedback Input	Senses output voltage via resistive divider; compares to internal 0.8V reference to regulate V_OUT.
5 GND	Power Ground	Main return path for high-current switch and control circuits; must connect near output capacitor to minimize noise coupling.
6 RSET	Bias Setting	Connects to 200kΩ resistor to set internal bias currents; required for proper startup and regulation accuracy.
7 VIN	Input Supply	Primary power input (6–36V); requires local 10µF ceramic decoupling capacitor placed adjacent to pin.
8 BST	Bootstrap Supply	Provides gate drive voltage for high-side MOSFET; requires 0.1µF ceramic capacitor between BST and SW pins.

Key Features

Feature	Design Value
Integrated High-Side MOSFET	150mΩ R_DS(ON) eliminates external switch and driver, reducing BOM count and board area in compact designs.
Ceramic Capacitor Stable	Supports low-ESR ceramic output caps without oscillation risk-enables smaller, more reliable filtering vs. tantalum/electrolytic.
Precision Current Limit	3.5A typical cycle-by-cycle limit without external sense resistor-simplifies overcurrent protection and improves reliability.
Internal Soft-Start	1.5ms ramp time prevents output overshoot during power-up-eliminates need for external soft-start circuitry.
Frequency Foldback	Reduces switching frequency under light load to maintain high efficiency (>85% at 10mA) without pulse-skipping noise.

Applications

Automotive Infotainment Power

Industrial Sensor Node Supply

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

IC Role / Device Role / Timing Role: Primary step-down regulator converting raw battery voltage to stable 3.3V or 5V for digital subsystems.

Use Value: 36V absolute max rating withstands load-dump transients; 100µA quiescent current extends battery runtime in always-on modules.

Use Scenario: Providing regulated 1.8V or 2.5V supply to low-power IoT sensor nodes deployed in factory environments.

IC Role / Device Role / Timing Role: Efficient local DC-DC conversion from 12–24V field bus to MCU and analog front-end rails.

Use Value: Wide 6–36V input accommodates varying industrial supply conditions; SOIC8E package allows manual rework and automated assembly.

Printer Engine Control

Game Console Peripheral Power

Use Scenario: Generating 5V and 3.3V rails for stepper motor drivers and logic in laser printer mainboards.

IC Role / Device Role / Timing Role: High-current buck converter supplying burst-mode loads during print cycles.

Use Value: 2.5A output handles peak motor driver current; thermal shutdown prevents failure during paper jams or overheating.

Use Scenario: Regulating USB-powered accessories (e.g., controllers, VR headsets) requiring clean 3.3V from 5V USB input.

IC Role / Device Role / Timing Role: Compact, efficient step-down stage replacing linear regulators to reduce heat in handheld enclosures.

Use Value: 500kHz switching enables small inductors (<10µH); ceramic-capable design avoids electrolytic aging in consumer products.

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 36V input, 500kHz, SOIC8 package but no exposed pad.	Suitable only for sub-1A loads; lacks thermal performance for sustained 2.5A operation.	Select when board space is constrained and thermal load is light; not drop-in for MP2467DN-LF-Z's full capability.
LM2678SD-ADJ/NOPB	3A output, 40V max input, 260kHz switching, requires external MOSFET and compensation components.	Higher BOM count and larger solution size; slower transient response due to lower frequency.	Choose when higher output current is needed and layout area permits discrete FET + controller complexity.

Compared with MP2467DN-LF-Z, MP2451DJ-LF-Z trades output current and thermal capability for smaller footprint, while LM2678SD-ADJ/NOPB offers higher current at the cost of design complexity and reduced integration-making MP2467DN-LF-Z optimal for space- and efficiency-sensitive 2.5A applications.

Availability

MP2467DN-LF-Z is available at Aetrix Electronics and suitable for automotive infotainment systems, industrial sensor nodes, and printer engine control requiring stable component supply, RoHS compliance, and long-term lifecycle support.

Supply support for MP2467DN-LF-Z 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-efficiency, wide-input DC-DC conversion for automotive, industrial, and consumer applications where integration, thermal robustness, and low quiescent current are critical.

FAQ

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

The absolute maximum input voltage is 40V, but the recommended operating range is 6V to 36V. Exceeding 36V may trigger UVLO or cause premature wear; operation above 40V risks permanent damage per Absolute Maximum Ratings.

Can MP2467DN-LF-Z operate with 5V input?

No-5V is below the 6V minimum operating input voltage. Attempting operation at 5V will prevent startup due to UVLO activation; the device remains disabled until VIN exceeds 3.0V (UVLO rising threshold).

Is an external bootstrap diode required?

An external bootstrap diode (e.g., BAT54) is recommended when VIN ≤ 5V or duty cycle exceeds 65%, as internal charging may be insufficient. At nominal 12V input, the internal bootstrap circuit functions reliably without external diode.

How does frequency foldback improve light-load efficiency?

Frequency foldback reduces switching frequency proportionally to load current, lowering gate drive and switching losses. This maintains >85% efficiency down to 10mA load-unlike fixed-frequency converters that suffer disproportionate losses at light loads.

What is the purpose of the RSET pin?

RSET sets internal bias currents for accurate reference and error amplifier operation. A 200kΩ resistor to ground is mandatory; omission causes regulation failure, unstable startup, or incorrect current limit behavior.

Does MP2467DN-LF-Z support synchronous rectification?

No-it is a non-synchronous buck converter requiring an external Schottky diode. The SW pin drives the cathode of the diode, and no gate drive signal is provided for a low-side MOSFET.

What is the minimum off-time specification and why does it matter?

The minimum off-time is 200ns. This limits the maximum achievable duty cycle (D = V_OUT/V_IN) and thus constrains the lowest input voltage usable for a given output-e.g., 3.3V output requires VIN > ~5.5V to avoid pulse-skipping instability.

MP2467DN-LF-Z 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-Z FAQ

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

Please submit a Request for Quotation (RFQ) for MP2467DN-LF-Z 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-Z reliable?

The price and inventory of MP2467DN-LF-Z 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-Z is usually 5 days.

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

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

Note: Certain payment methods may incur a processing fee.

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

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

Once your MP2467DN-LF-Z 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-Z?

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

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

All MP2467DN-LF-Z 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-Z meets industry standards.

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

All MP2467DN-LF-Z units undergo pre-shipment inspection (PSI). If there is an issue with MP2467DN-LF-Z, 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-Z part is unused and in its original packaging.

Return procedure for MP2467DN-LF-Z:

1.Submit a request within 90 days.

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

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