STMicroelectronics PD57030

Overview

PD57030 from STMicroelectronics is a common-source N-channel enhancement-mode lateral MOSFET RF power transistor designed for base station amplifiers operating up to 1 GHz at 28 V DC supply. It delivers 30 W RF output power with 14 dB power gain and 53% drain efficiency at 945 MHz, housed in the PowerSO-10RF plastic SMD package with validated thermal resistance of 1.8 °C/W.

For engineers reviewing the PD57030 datasheet, PD57030 pinout, PD57030 application, or PD57030 equivalent, key selection criteria include its 65 V drain-source breakdown voltage, 52.8 W power dissipation at T_c = 70 °C, gate-source threshold range (2.0–5.0 V), and verified load mismatch tolerance up to 10:1 VSWR across all phase angles.

Technical Context

This LDMOS device operates in common-source configuration with fixed 50 mA quiescent drain current biasing, optimized for broadband linear amplification in 925–960 MHz cellular infrastructure bands. Its lateral structure enables excellent thermal stability and high linearity-critical for multi-carrier GSM/UMTS base station PA stages.

The PowerSO-10RF package integrates formed leads for RF grounding and thermal path optimization, supporting JEDEC-compliant SMT assembly while maintaining low C_iss (57 pF), C_oss (30 pF), and C_rss (2.3 pF) at 28 V, enabling stable broadband matching without external harmonic traps.

Key Specifications

Pinout & Package

PD57030 uses the PowerSO-10RF surface-mount plastic package (JEDEC MO-263 variant), featuring formed leads for RF grounding and thermal conduction via exposed drain pad. The package is qualified for high-reliability RF power applications and supports automated reflow soldering per J-STD-020.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar RF power transistor applications.

Compared with MRF6VP2300HR5 and PD57015, PD57030 uniquely balances 30 W output, 1.8 °C/W thermal resistance, and 10:1 VSWR ruggedness in a JEDEC-standard SMD package-enabling simplified thermal design and field-deployable reliability without GaN complexity or derating penalties.

Availability

PD57030 is available at Aetrix Electronics and suitable for macrocell base stations, industrial RF heating systems, and land mobile radio transmitters requiring stable component supply and long-term lifecycle support.

Supply support for PD57030 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in analog, power, and RF solutions for industrial, automotive, and communications markets.

PD57030 belongs to ST's LdmoST Plastic family of lateral RF power MOSFETs, engineered specifically for high-linearity, high-efficiency cellular infrastructure amplifiers operating below 1 GHz.

FAQ

What is the maximum safe operating drain voltage for PD57030?

The absolute maximum drain-source voltage (V(BR)DSS) is 65 V at T_case = 25 °C. Operation above 28 V DC supply is permissible only during transient conditions within the SOA limits defined in Figure 5 of the datasheet; sustained operation beyond 28 V requires derating per the V_DS vs. I_D curves on page 5.

Does PD57030 require external gate protection diodes?

No. The device integrates internal gate protection and specifies ±20 V maximum gate-source voltage. External Zener clamps are unnecessary when biasing within the 2.0–5.0 V V_GS(Q) range and using recommended 0.1 µF bypass capacitors at the gate feed point per AN1294.

Can PD57030 be used in push-pull configuration?

Yes-its common-source architecture and matched gain/phase characteristics across production lots support push-pull operation. Application note AN1294 provides layout guidelines for symmetrical gate drive routing and thermal coupling to maintain balance within 0.2 dB gain error at 30 W output.

What is the recommended PCB copper area for thermal management?

ST recommends ≥8 cm² of 2-oz copper connected directly to the exposed drain pad, with ≥4 thermal vias (0.3 mm diameter, filled) per cm² to inner ground planes. This achieves ≤45 °C temperature rise at 30 W P_OUT, consistent with the 1.8 °C/W R_th(j-c) rating.