Toshiba Semiconductor and Storage TPH3R203NL,L1Q

Overview

TPH3R203NL from Toshiba Electronic Devices & Storage Corporation is a silicon N-channel power MOSFET in U-MOSⅧ-H process, designed as a high-efficiency synchronous rectifier or main switch in DC-DC converters. It delivers 3.8 mΩ R_DS(ON) at V_GS = 4.5 V, 5.2 nC gate charge (Q_SW), and 84 A DC drain current, enabling compact, high-frequency switching power stages in server VRMs and POL converters.

For engineers reviewing the TPH3R203NL datasheet, TPH3R203NL pinout, TPH3R203NL application, or TPH3R203NL equivalent, key selection criteria include low R_DS(ON) at 4.5 V drive, fast switching with minimal Q_g, thermal performance on FR-4 PCBs, and SOP Advance package compatibility with automated assembly.

Technical Context

This MOSFET uses Toshiba's U-MOSⅧ-H trench-gate structure to achieve enhanced cell density and reduced specific on-resistance. Its enhancement-mode threshold voltage (1.3–2.3 V) ensures reliable turn-on with standard logic-level gate drivers, while low Crss (53 pF typ.) minimizes Miller-induced shoot-through risk in half-bridge configurations.

The device is rated for 30 V V_DSS, ±20 V V_GSS, and operates up to 150 °C channel temperature. Its 2.84 °C/W R_th(ch-c) enables high-power dissipation when mounted on copper-clad PCBs with thermal vias, supporting continuous operation at 47 A with proper heatsinking.

Key Specifications

Pinout & Package

TPH3R203NL is housed in the SOP Advance surface-mount package (TOSHIBA designation: 2-5Q1S), featuring exposed drain pads for enhanced thermal conduction and mechanical stability. The 8-pin configuration supports high-current routing with multiple parallel drain terminals.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IRLHS6342TRPBF and DMN3029LFG-7, the TPH3R203NL offers the optimal balance of ultra-low Q_SW, competitive R_DS(ON), and SOP Advance compatibility-making it ideal for space-constrained, high-frequency POL designs where gate drive loss and thermal resistance are critical.

Availability

TPH3R203NL is available at Aetrix Electronics and suitable for server point-of-load regulators, industrial DC-DC converters, and telecom power supplies requiring stable component supply, consistent parametric performance across production lots, and long-term lifecycle support.

Supply support for TPH3R203NL 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

Toshiba Electronic Devices & Storage Corporation designs and manufactures discrete semiconductors, power devices, and storage solutions with emphasis on efficiency, reliability, and miniaturization for industrial and computing markets.

The TPH3R203NL belongs to Toshiba's U-MOSⅧ-H power MOSFET family, engineered specifically for high-current, high-frequency DC-DC conversion in data center, telecom, and industrial power systems where low gate charge and thermal performance are decisive.

FAQ

What is the maximum continuous drain current for TPH3R203NL at 25 °C ambient?

The TPH3R203NL supports 84 A DC drain current (I_D) at T_c = 25 °C, limited by silicon capability-not package. In practice, sustained 84 A requires aggressive heatsinking due to its 2.84 °C/W channel-to-case thermal resistance; typical PCB-mounted operation limits usable I_D to ~47 A without additional cooling. Always verify channel temperature stays ≤150 °C using R_th(ch-c) and actual power dissipation.

Does TPH3R203NL support 3.3 V gate drive in logic-level applications?

Yes, the TPH3R203NL is specified with a gate threshold voltage (V_th) of 1.3–2.3 V at V_DS = 10 V and I_D = 0.3 mA, making it fully compatible with 3.3 V logic-level gate drivers. At V_GS = 4.5 V, it achieves its rated 3.8 mΩ R_DS(ON); at 3.3 V, R_DS(ON) rises to ~5.5 mΩ (typ., extrapolated from V_th and transfer characteristics), which remains viable for moderate-current applications.

What is the avalanche energy rating of TPH3R203NL and how is it tested?

The TPH3R203NL has a single-pulse avalanche energy rating (E_AS) of 94 mJ, measured under conditions of V_DD = 24 V, T_ch = 25 °C (initial), L = 33 µH, and I_AR = 47 A. This rating reflects ruggedness against inductive switching transients in hard-switched topologies. Avalanche testing follows JEDEC JESD24-11 guidelines, and operation within this limit does not require derating-but repeated avalanche events degrade reliability.

How does the SOP Advance package of TPH3R203NL improve thermal performance over standard SO-8?

The SOP Advance package (2-5Q1S) used by TPH3R203NL features an enlarged exposed drain paddle and optimized internal leadframe geometry, achieving a channel-to-case thermal resistance (R_th(ch-c)) of 2.84 °C/W-nearly 2× better than standard SO-8 MOSFETs (~5–6 °C/W). This allows higher power dissipation on standard FR-4 PCBs without external heatsinks, especially when using thermal vias under the drain pads.

Is TPH3R203NL suitable for automotive applications per AEC-Q101?

No, the TPH3R203NL is not AEC-Q101 qualified. While its absolute maximum ratings include -55 °C to 150 °C storage temperature and 150 °C channel temperature-meeting some automotive thermal requirements-it lacks the stress test validation (HTOL, UHAST, TC, etc.) and traceability controls mandated for AEC-Q101. For automotive ADAS or body electronics, use only AEC-Q101-certified variants such as Toshiba's TKxxx series.