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Home > Products > Discrete Semiconductor Products > Transistors > FETs, MOSFETs > FETs, MOSFETs

Diodes Incorporated DMP2110U-13

Name: DMP2110U-13
Brand: Diodes Incorporated
SKU: DMP2110U-13
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: DMP2110U-13

Manufacturer:: Diodes Incorporated

Category:: FETs, MOSFETs

Package:: TO-236-3, SC-59, SOT-23-3

Datasheet:: DMP2110U-13.pdf

Description:: MOSFET P-CH 20V 3.5A SOT23 T&R 1

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Product details

Overview

DMP2110U-13 from Diodes Incorporated is a P-channel enhancement-mode MOSFET in SOT23 package, rated for -20V V_DSS, 80mΩ R_DS(ON) @ V_GS = -4.5V, and -3.5A continuous drain current at T_A = +25°C. It serves as a low-side load switch or synchronous rectifier in compact DC-DC converters and LED backlighting circuits.

For engineers reviewing the DMP2110U-13 datasheet, DMP2110U-13 pinout, DMP2110U-13 application, or DMP2110U-13 equivalent, key selection criteria include verified R_DS(ON) at -2.5V gate drive, body diode recovery performance (t_RR = 8.3ns), thermal resistance (R_θJA = 158°C/W on FR-4), and SOT23 terminal configuration for space-constrained PCB layouts.

Technical Context

This MOSFET employs a trench-gate process to achieve low R_DS(ON) while maintaining fast switching (t_F = 9.5ns, t_D(OFF) = 24.5ns) and low gate charge (Q_g = 6.0nC). Its -1.0V typical V_GS(TH) enables reliable turn-on with standard logic-level gate drivers.

The device integrates a low-V_SD body diode (-0.7V @ -1A) with controlled reverse recovery (Q_RR = 2.0nC), supporting efficient synchronous rectification and flyback operation in buck and boost topologies.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DSS	-20V - Maximum blocking voltage before avalanche conduction in power-switching applications
R_DS(ON)	80mΩ @ V_GS = -4.5V - Confirmed on-resistance enabling ≤0.8W conduction loss at -2.8A
I_D (max)	-3.5A @ T_A = +25°C - Continuous current rating defining safe operating area for steady-state loads
C_iss	443pF - Input capacitance determining gate drive strength requirement and switching speed trade-off
t_RR	8.3ns - Reverse recovery time limiting shoot-through risk in synchronous rectifier configurations
R_θJA	158°C/W - Thermal resistance on standard FR-4 board, defining junction temperature rise under 0.8W dissipation
V_GS(TH)	-1.0V (max) - Gate threshold ensuring full enhancement with -2.5V logic-level control signals

Pinout & Package

Package: SOT23 - Surface-mount plastic package with 3 terminals, 0.008g mass, UL 94V-0 flammability rating, and moisture sensitivity level 1.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (Drain)	Main current-carrying terminal	Connected to high-side rail or inductive load return path; requires thermal pad routing for power dissipation
Pin 2 (Gate)	Control input	Receives negative gate-source voltage to enhance channel; sensitive to ESD due to low C_iss and thin oxide
Pin 3 (Source)	Reference node	Common connection point for gate drive reference and load current return; tied to system ground in low-side switch

Key Features

Feature	Design Value
Low R_DS(ON) at -2.5V drive	110mΩ - Enables use with 2.5V microcontroller GPIOs without level-shifting circuitry
Fast switching with low Q_g	6.0nC total gate charge - Reduces driver power loss and supports >1MHz PWM frequencies
Controlled body diode recovery	Q_RR = 2.0nC - Minimizes energy loss and voltage spikes during freewheeling in DC-DC stages
Green packaging	Halogen- and antimony-free, RoHS 3 compliant - Meets IPC-1752A material declaration requirements
SOT23 thermal performance	R_θJA = 100°C/W with 1-inch² copper - Supports 1.2W dissipation in enhanced layout for higher-current duty cycles

Applications

LED Backlight Control

USB Power Switch

Use Scenario: Driving white LED strings in portable displays using PWM dimming at 1–20kHz.

IC Role / Device Role / Timing Role: Low-side current sink switch with fast turn-off to minimize current tailing and improve dimming linearity.

Use Value: 80mΩ R_DS(ON) limits conduction loss to <120mW at 350mA, reducing thermal load on display PCB.

Use Scenario: Enabling/disabling 5V USB VBUS to peripheral devices with overcurrent protection coordination.

IC Role / Device Role / Timing Role: Load switch controlled by system PMIC enable signal; body diode blocks reverse current during hot-plug events.

Use Value: -20V V_DSS provides 10V margin above 5V rail, and 8.3ns t_RR prevents latch-up during plug/unplug transients.

Buck Converter Synchronous Rectifier

Motor Driver Half-Bridge Low-Side

Use Scenario: Replacing Schottky diode in 3.3V/2A buck converter for improved efficiency at light-to-moderate loads.

IC Role / Device Role / Timing Role: Synchronous rectifier driven by controller's complementary output; requires precise timing relative to high-side FET.

Use Value: 6.0nC Q_g allows clean gate drive with 10Ω series resistor, minimizing shoot-through window in 500kHz designs.

Use Scenario: Driving 12V brushed DC motors in battery-powered tools with PWM speed control up to 20kHz.

IC Role / Device Role / Timing Role: Low-side switch in half-bridge topology; body diode handles inductive kickback during PWM off-time.

Use Value: -1.0V V_GS(TH) ensures full enhancement with 3.3V MCU outputs, eliminating need for gate driver ICs.

Equivalent & Alternatives

The following parts are listed as comparable options for similar P-channel MOSFET applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
DMG2305U-7	R_DS(ON) = 48mΩ @ -4.5V but higher Q_g = 10.5nC; same SOT23 package	Better conduction loss but slower switching; less suitable for >500kHz DC-DC	Prefer when thermal budget dominates over switching loss, e.g., linear regulator replacement
AO3401	R_DS(ON) = 85mΩ @ -4.5V; lower V_GS(TH) (-0.7V typ); same SOT23	Earlier turn-on reduces gate drive complexity but increases risk of partial enhancement at noise-prone nodes	Choose when interfacing with weak-drive MCUs or where faster turn-on outweighs noise immunity concerns

Compared with DMG2305U-7 and AO3401, the DMP2110U-13 delivers optimal balance of low R_DS(ON), moderate Q_g, and robust V_GS(TH) tolerance-making it preferred for space-constrained, medium-frequency power switches requiring predictable turn-on behavior.

Availability

DMP2110U-13 is available at Aetrix Electronics and suitable for LED backlighting, USB power management, and motor control applications requiring stable component supply across production lifecycles.

Supply support for DMP2110U-13 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design centers across Asia and manufacturing in China, Taiwan, and the US.

The DMP2110U belongs to Diodes' PowerMOS™ portfolio, engineered specifically for high-efficiency, low-voltage power switching in portable and space-constrained systems.

FAQ

What is the maximum safe operating junction temperature for DMP2110U-13?

The DMP2110U-13 has a specified junction temperature range of -55°C to +150°C. Its absolute maximum T_J is +150°C, validated by SOA curves and transient thermal resistance data. Operation beyond this limit risks permanent degradation of the trench-gate oxide and increased R_DS(ON) drift.

Can DMP2110U-13 be used in a high-side switch configuration?

No-DMP2110U-13 is not suitable for high-side switching without a dedicated gate driver capable of generating a gate voltage ≥20V above the source potential. Its ±10V V_GS rating and lack of integrated charge pump preclude direct use in floating high-side applications.

Is the body diode of DMP2110U-13 optimized for reverse recovery in synchronous rectification?

Yes-the body diode exhibits t_RR = 8.3ns and Q_RR = 2.0nC under IF = -1.0A, di/dt = 100A/μs conditions. These values are measured and guaranteed per datasheet Note 8, confirming suitability for synchronous rectification in buck converters up to 1MHz.

Does DMP2110U-13 require derating at elevated ambient temperatures?

Yes-continuous drain current must be derated linearly above +25°C. At +70°C, I_D drops to -2.8A (V_GS = -4.5V) and -2.4A (V_GS = -2.5V), per the Absolute Maximum Ratings table. This reflects thermal limitations of the SOT23 package on standard FR-4 PCBs.

DMP2110U-13 Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: TO-236-3, SC-59, SOT-23-3

Packaging:: Tape & Reel (TR)

Product Status:: Active

FET Type:: P-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 20 V

Current - Continuous Drain (Id) @ 25°C:: 3.5A (Ta)

Drive Voltage (Max Rds On, Min Rds On):: 2.5V, 4.5V

Rds On (Max) @ Id, Vgs:: 80mOhm @ 2.8A, 4.5V

Vgs(th) (Max) @ Id:: 1V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 6 nC @ 4.5 V

Vgs (Max):: ±10V

Input Capacitance (Ciss) (Max) @ Vds:: 443 pF @ 10 V

FET Feature:: -

Power Dissipation (Max):: 800mW (Ta)

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-23-3

DMP2110U-13 FAQ

1.How can I place an order for DMP2110U-13 through Aetrix?

Please submit a Request for Quotation (RFQ) for DMP2110U-13 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 DMP2110U-13 reliable?

The price and inventory of DMP2110U-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMP2110U-13 is usually 5 days.

3.What payment methods are accepted for DMP2110U-13?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMP2110U-13 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for DMP2110U-13?

DMP2110U-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your DMP2110U-13 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 DMP2110U-13?

For technical support, including DMP2110U-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMP2110U-13 requirements.

6.How does Aetrix verify that DMP2110U-13 is sourced from the original manufacturer or authorized distributors?

All DMP2110U-13 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 DMP2110U-13 meets industry standards.

7.What is the process for return or replacement of DMP2110U-13?

All DMP2110U-13 units undergo pre-shipment inspection (PSI). If there is an issue with DMP2110U-13, 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 DMP2110U-13 part is unused and in its original packaging.

Return procedure for DMP2110U-13:

1.Submit a request within 90 days.

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

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