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DMP3099L-7

DIODMP3099L-7

Diodes Incorporated
P-Channel 30 V 3.8A (Ta) 1.08W (Ta) Surface Mount SOT-23-3
Active402,122 in stock
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Overview

The DMP3099L-7 is a 30V P-channel enhancement mode MOSFET designed in a compact SOT-23 package. It features a continuous drain current of 3.8A and a low gate threshold voltage, making it suitable for low-voltage power management applications. The device is optimized for high-efficiency switching and low on-resistance performance.

Why Choose This Part

This MOSFET offers a very low gate charge of 5.2 nC at 4.5V, which enables fast switching speeds and reduced power losses. Its low input capacitance of 563 pF ensures minimal driving requirements for the host controller. Additionally, the SOT-23 form factor provides a balance between power handling and board space efficiency.

Applications

Load Switching
Used as a high-side switch to control power delivery to specific sub-circuits in battery-powered devices.
Reverse Polarity Protection
Protects sensitive electronics from incorrect battery insertion with lower voltage drops than standard diodes.
Power Management Units
Integrated into DC-DC converter stages for efficient voltage regulation in portable electronics.
Battery Charging Circuits
Acts as a pass element in charger designs to manage current flow into lithium-ion or polymer cells.

Key Specifications

FET Type P-Channel
Vgs (Max) +/-20V
Technology MOSFET (Metal Oxide)
Mounting Type Surface Mount
Package / Case TO-236-3, SC-59, SOT-23-3
Vgs(th) (Max) @ Id 2.1V @ 250uA
Operating Temperature -55degC ~ 150degC (TJ)
Rds On (Max) @ Id, Vgs 65mOhm @ 3.8A, 10V
Power Dissipation (Max) 1.08W (Ta)
Supplier Device Package SOT-23-3
Gate Charge (Qg) (Max) @ Vgs 5.2 nC @ 4.5 V
Drain to Source Voltage (Vdss) 30 V
Input Capacitance (Ciss) (Max) @ Vds 563 pF @ 25 V
Drive Voltage (Max Rds On, Min Rds On) 4.5V, 10V
Current - Continuous Drain (Id) @ 25degC 3.8A (Ta)

Getting Started

Ensure that the gate-to-source voltage (Vgs) does not exceed the +/-20V maximum rating during transients. For thermal management, provide sufficient copper area on the PCB to dissipate heat at the 1.08W power rating. Use a standard logic-level gate driver or a GPIO with a pull-up resistor for high-side switching applications.