Diodes Incorporated DMP1200UFR4-7

Overview

DMP1200UFR4 from Diodes Incorporated is a P-channel enhancement-mode MOSFET designed for low-voltage load switching in space-constrained applications. It delivers 100 mΩ R_DS(on) at V_GS = −4.5 V and I_D = −2 A, operates with V_BRDSS = −12 V, features ESD-protected gate, and is housed in the ultra-small X2-DFN1010-3 package - widely used in portable backlighting and power rail control.

For engineers reviewing the DMP1200UFR4 datasheet, DMP1200UFR4 pinout, DMP1200UFR4 application, or DMP1200UFR4 equivalent, key selection criteria include its low-threshold gate drive (V_GS(th) = −0.35 to −1.0 V), thermal resistance of 102 °C/W under high-copper PCB conditions, and validated performance down to −55 °C for industrial-grade power management designs.

Technical Context

This MOSFET employs a trench-gate silicon process optimized for low R_DS(on) while maintaining fast switching (t_D(off) = 332 ns, t_f = 166 ns) and low gate charge (Q_g = 5.8 nC). Its −12 V V_BRDSS rating targets 3.3 V/5 V logic-level systems where negative gate bias enables simple high-side switch configuration.

The device integrates ESD protection on the gate terminal (±8 V V_GS rating), exhibits low leakage (I_DSS ≤ −1 µA at V_DS = −9.6 V), and supports operation across −55 °C to +150 °C junction temperature - enabling use in thermally demanding portable and automotive body electronics.

Key Specifications

Pinout & Package

Package: X2-DFN1010-3 - 1.0 mm × 1.0 mm, 0.39 mm height, 3-terminal leadless plastic package with NiPdAu-plated copper leadframe; moisture sensitivity level 1 per J-STD-020.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DMG1012T and AO3415, DMP1200UFR4 uniquely balances ultra-small size, sub-100 mΩ R_DS(on), and fast switching in a thermally efficient DFN - making it optimal for high-density, battery-sensitive designs where both footprint and efficiency are constrained.

Availability

DMP1200UFR4 is available at Aetrix Electronics and suitable for LED backlight control, USB power switching, and portable device power sequencing requiring stable component supply and consistent parametric performance across production lots.

Supply support for DMP1200UFR4 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, specializing in high-efficiency power management, signal integrity, and protection solutions for consumer, industrial, and automotive markets.

DMP1200UFR4 belongs to Diodes' Ultra-Small Signal MOSFET product line, engineered specifically for space-constrained, low-voltage load switching applications where minimal R_DS(on), fast response, and robust gate protection are essential.

FAQ

What is the maximum continuous drain current for DMP1200UFR4 at 85°C ambient?

At T_A = +85 °C with the recommended 1" × 1" FR-4 PCB (2 oz copper), the maximum continuous drain current is −1.3 A. This derating accounts for thermal resistance (R_θJA = 102 °C/W) and junction temperature limit of +150 °C, ensuring safe operation without forced airflow.

Can DMP1200UFR4 be used in a high-side switch configuration with 3.3 V logic control?

Yes - its V_GS(th) range (−0.35 to −1.0 V) and R_DS(on) = 160 mΩ at V_GS = −2.5 V allow full enhancement using a 3.3 V MCU GPIO driving the gate through an inverting stage or level shifter that supplies −2.5 V to −3.3 V relative to source.

Is the exposed pad on the X2-DFN1010-3 package electrically connected?

The exposed pad is internally connected to the source terminal (Pin 1). It must be soldered to a PCB copper pour tied to the source net to achieve specified thermal resistance (R_θJA = 102 °C/W); floating or isolated pads degrade power dissipation capability and may cause thermal runaway.

Does DMP1200UFR4 require external gate resistors for ESD or switching control?

No external gate resistor is required for ESD protection - the integrated gate protection structure handles ±8 kV HBM. However, a 10–47 Ω series resistor is recommended between driver and gate to dampen ringing and control dV/dt during fast switching, especially in high-noise automotive environments.