Diodes Incorporated DMP3100L-7

Overview

DMP3100L-7 from Diodes Incorporated is a P-channel enhancement-mode MOSFET in SOT-23 package, rated for -30 V V_DSS, 2.7 A continuous drain current at T_A = 25°C, and 100 mΩ R_DS(on) at V_GS = -10 V. It features low gate threshold voltage (-1.3 to -2.1 V), fast switching speed, and AEC-Q101 qualification for automotive power management.

For engineers reviewing the DMP3100L-7 datasheet, DMP3100L-7 pinout, DMP3100L-7 application, or DMP3100L-7 equivalent, key selection criteria include its -30 V breakdown rating, 100 mΩ on-resistance at -10 V gate drive, thermal resistance of 115 °C/W, and suitability for high-reliability load switching in space-constrained PCBs.

Technical Context

This MOSFET operates as a high-side load switch with gate-controlled conduction in P-channel configuration. Its low V_GS(th) enables reliable turn-on with standard 3.3 V or 5 V logic-level gate drivers, while its 170 mΩ R_DS(on) at V_GS = -4.5 V supports efficient operation in 5 V rail systems.

The device integrates low input capacitance (C_iss = 227 pF) and fast switching dynamics, minimizing gate drive power and transition losses. Its AEC-Q101 qualification confirms robustness under automotive temperature cycling (-55°C to +150°C) and humidity exposure per J-STD-020 Level 1.

Key Specifications

Pinout & Package

Package: SOT-23 - Surface-mount plastic package with 3 terminals, 0.008 g mass, UL 94V-0 flammability rating, and matte tin-plated copper leadframe.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DMG3415L-7, DMP3100L-7 trades 70% higher R_DS(on) for proven automotive qualification and lower gate charge; versus SI2301DS-T1-E3, it delivers AEC-Q101 assurance and 35% lower C_iss at comparable price point.

Availability

DMP3100L-7 is available at Aetrix Electronics and suitable for automotive body control modules, USB power delivery systems, industrial sensor interfaces, and portable medical devices requiring stable component supply across extended product lifecycles.

Supply support for DMP3100L-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 DMP3100L-7 belongs to Diodes' AEC-Q101-qualified power MOSFET family, engineered specifically for high-reliability, low-voltage load switching in automotive and industrial environments where space, thermal performance, and qualification rigor are critical.

FAQ

What is the maximum safe operating junction temperature for DMP3100L-7?

The absolute maximum junction temperature is +150°C, as specified in the Thermal Characteristics table. Operation above this limit risks permanent parametric shift or failure. Derating begins at T_A > 25°C per the R_θJA = 115 °C/W curve; at 70°C ambient, max continuous I_D drops to -2.0 A to maintain T_J ≤ 150°C.

Can DMP3100L-7 be used with 3.3 V microcontroller GPIOs?

Yes - its gate threshold voltage range (-1.3 V to -2.1 V) ensures reliable turn-on with 3.3 V logic when referenced to source. At V_GS = -3.3 V, R_DS(on) is ~220 mΩ (interpolated from Fig. 4), yielding ~480 mW loss at 1.5 A - acceptable for intermittent duty or with modest copper area.

Does DMP3100L-7 include integrated ESD protection?

No - the datasheet does not specify HBM or CDM ESD ratings. External TVS diodes or series resistors are recommended for board-level ESD protection, especially in automotive or industrial environments where IEC 61000-4-2 compliance is required.

Is the SOT-23 footprint of DMP3100L-7 compatible with JEDEC MO-203AA standards?

Yes - the mechanical dimensions (e.g., lead pitch = 0.95 mm, body width = 1.30 mm, length = 2.40 mm) match JEDEC MO-203AA for SOT-23. The pad layout recommendation on page 4 aligns with IPC-7351B density level A, ensuring manufacturability on standard SMT lines.