Diodes Incorporated DMN2230U-7

Overview

DMN2230U-7 from Diodes Incorporated is an N-channel enhancement-mode MOSFET in SOT23 package, rated for 20 V V_DSS, 2.0 A continuous drain current, and 110 mΩ R_DS(ON) at V_GS = 4.5 V. It features low gate threshold (0.5–1.0 V), fast switching, and automotive-qualified reliability per AEC-Q standards - used in load switching and power management in space-constrained portable electronics.

For engineers reviewing the DMN2230U-7 datasheet, DMN2230U-7 pinout, DMN2230U-7 application, or DMN2230U-7 equivalent, key selection criteria include its 1.8 V logic-level drive capability, 208 °C/W thermal resistance, JEDEC-qualified robustness, and SOT23 footprint compatibility with high-density PCB layouts.

Technical Context

This MOSFET operates as a single low-side switch with enhancement-mode gate control, optimized for DC-to-DC converter synchronous rectification and battery protection circuits. Its 0.5–1.0 V V_GS(TH) enables direct interfacing with 1.8 V/2.5 V microcontroller GPIOs, while low C_iss (188 pF) and fast turn-on delay (8 ns) support efficient high-frequency switching up to ~1 MHz.

The device uses a silicon die mounted in a lead-free, halogen-free SOT23 plastic package with matte tin-plated copper leadframe. Thermal performance is defined for FR-4 PCB mounting with minimum pad layout, delivering 600 mW power dissipation and junction-to-ambient thermal resistance of 208 °C/W under standard conditions.

Key Specifications

Pinout & Package

Package: SOT23 - surface-mount, 3-terminal plastic package with 0.915 mm typical body height, 2.40 mm length, and 1.30 mm width; moisture sensitivity level 1 per J-STD-020.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel logic-level MOSFET applications.

Compared with DMN2230U-7, DMN2025U-7 delivers lower on-resistance but sacrifices 1.8 V compatibility, while AO3400 lacks guaranteed turn-on below 2.5 V - making DMN2230U-7 uniquely suited for direct 1.8 V/2.5 V logic-driven load switching where gate drive headroom is constrained.

Availability

DMN2230U-7 is available at Aetrix Electronics and suitable for power bank load switching, USB-C port protection, and IoT sensor node power gating requiring stable component supply and RoHS-compliant sourcing.

Supply support for DMN2230U-7 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, manufacturing, and sales operations across Asia, Europe, and North America.

The DMN2230U-7 belongs to Diodes' logic-level N-channel MOSFET product line, engineered specifically for high-efficiency, low-voltage power switching in portable and battery-powered electronics where minimal gate drive voltage and small footprint are critical.

FAQ

Is DMN2230U-7 suitable for automotive applications?

No - DMN2230U-7 is not automotive-qualified. The automotive-grade variant is DMN2230UQ, which carries separate AEC-Q200 qualification and different marking and traceability. This part is intended for industrial and consumer applications meeting JEDEC reliability references cited in AEC-Q standards, but not certified for automotive use.

What is the maximum safe operating temperature for DMN2230U-7?

The DMN2230U-7 has a junction temperature range of −55°C to +150°C. Safe continuous operation requires maintaining T_J ≤ 150°C, which at 25°C ambient translates to ≤360 mW dissipation (using R_θJA = 208°C/W). Derating is required above 25°C ambient per the datasheet's thermal curve.

Does DMN2230U-7 have integrated ESD protection?

No explicit ESD protection structure is specified in the datasheet. The device meets HBM ESD rating of ±2 kV (per JEDEC JESD22-A114), typical for standard MOSFETs without dedicated on-die protection. External TVS or RC filtering is recommended for high-noise environments like USB-C hot-plug interfaces.

Can DMN2230U-7 be used in reverse conduction mode (source-to-drain)?

Yes - the intrinsic body diode supports source-to-drain conduction with V_SD = 0.8–1.1 V at 1.05 A. However, it is not optimized for bidirectional switching; forward conduction is limited by R_DS(ON) and thermal constraints, and reverse recovery is uncharacterized. Use only for unidirectional blocking or low-duty-cycle freewheeling.