onsemi FPP06R001

Overview

FPP06R001 from Fairchild Semiconductor is a 75V/60A dual-channel synchronous rectifier module in the Power-SPM™ family, integrating two low-R_DS(ON) MOSFETs (3.5 mΩ typ. at V_IN = 10 V, I_D = 40 A) and a dedicated 2.5 A peak-current gate driver IC. It serves as a high-efficiency secondary-side rectification solution for forward, asymmetrical half-bridge, and full-bridge converters in 12 V–5 V telecom and server power supplies.

For engineers reviewing the FPP06R001 datasheet, pinout, applications, or equivalent options, key selection considerations include its EPM15 package thermal resistance (R_θJC = 3.9 °C/W), unclamped inductive switching capability (E_AS = 681 mJ), and dual-input timing control for synchronous operation in isolated DC-DC topologies.

Technical Context

The FPP06R001 implements a dual-MOSFET synchronous rectifier architecture with independent IN1/IN2 control inputs, each driving a discrete 75 V, 60 A channel with matched R_DS(ON) and body diode characteristics (Q_rr = 62 nC, t_rr = 42 ns). The integrated driver provides 2.5 A sink/source capability, <20 ns propagation delay, and optimized output impedance (R_ON = 5 Ω, R_OFF = 0 Ω) to minimize switching losses in high-frequency PWM systems.

Thermally, it uses the EPM15 package with direct case-to-heatsink interface and specified junction-to-case thermal resistance of 3.9 °C/W. Electrical robustness includes 75 V BVDSS per channel, 1 μA IDSS at 60 V, and UIS-rated avalanche energy (681 mJ) under defined test conditions (T_J = 25 °C, V_D = 40 V, L = 0.2 mH).

Key Specifications

Pinout & Package

The FPP06R001 is housed in the EPM15 surface-mount package (26.2 × 22.9 mm, 3.07 mm height), featuring exposed metal baseplate for low-thermal-resistance heatsink attachment and 15-pin layout with dual-source pads (S1 pins 2–5, S2 pins 11–14) and redundant VCC pins (7 and 9) for stable driver supply.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar synchronous rectifier applications.

Compared with IRHRF8321 and NCP4303DR2G, the FPP06R001 delivers lower system-level BOM count and reduced PCB footprint by integrating matched dual MOSFETs, driver, and thermal path in one EPM15 package-critical for space-constrained 1U server power supplies where layout parasitics directly impact efficiency and EMI.

Availability

FPP06R001 is available at Aetrix Electronics and suitable for telecom rectifiers, server power supplies, and distributed power architecture modules requiring stable component supply, long-lifecycle support, and RoHS-compliant manufacturing.

Supply support for FPP06R001 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

Fairchild Semiconductor was a U.S.-based semiconductor company specializing in power management, analog, and discrete solutions before its acquisition by ON Semiconductor in 2016. Its legacy products remain widely deployed in industrial and computing infrastructure.

The FPP06R001 belongs to the Power-SPM™ family, engineered specifically for high-efficiency, high-current synchronous rectification in isolated DC-DC converters used in telecom and enterprise server power systems.

FAQ

What is the maximum continuous drain current rating for each channel of the FPP06R001?

The FPP06R001 is rated for 60 A continuous drain current per channel at T_C = 25 °C with proper heatsinking. This rating assumes operation within absolute maximum limits, including V_DS ≤ 75 V and junction temperature maintained ≤ 125 °C. Derating applies above 25 °C case temperature per the R_θJC = 3.9 °C/W specification. The FPP06R001 achieves this with dual-source pins (S1 and S2) to distribute current and reduce localized heating.

Does the FPP06R001 require external gate resistors for optimal switching performance?

No, the FPP06R001 does not require external gate resistors because its internal driver IC is optimized for direct drive of the integrated MOSFETs. The driver provides matched 2.5 A sink/source capability, low output impedance (R_ON = 5 Ω, R_OFF = 0 Ω), and <20 ns propagation delay-enabling clean, fast switching without added components. External resistors may be used only for fine-tuning rise/fall times in noise-sensitive layouts, but they are not necessary for basic operation of the FPP06R001.

How is thermal management handled in the FPP06R001 EPM15 package?

The FPP06R001 uses the EPM15 package with an exposed metal baseplate thermally coupled to the MOSFET die and driver IC junctions. Heat flows directly from the silicon to the case, achieving a specified R_θJC of 3.9 °C/W. Effective thermal management requires mounting the baseplate to a heatsink using thermally conductive interface material and ensuring mechanical clamping force per Fairchild's recommended torque spec. The FPP06R001's thermal design eliminates reliance on PCB copper for heat spreading, making it suitable for high-power density applications.

Can the FPP06R001 be used in 5 V output applications, and what design considerations apply?

Yes, the FPP06R001 is explicitly designed for output voltages ranging from 12 V down to 5 V, as stated in its General Description. At 5 V, conduction loss remains low due to its 3.5 mΩ R_DS(ON), but gate drive timing becomes more critical: IN1/IN2 signals must avoid shoot-through during low-duty-cycle operation. Layout must minimize trace inductance on IN1/IN2 paths, and AGND must be tightly coupled to reduce noise coupling. The FPP06R001's low Q_rr and fast t_rr help maintain efficiency and reduce ringing at 5 V output.

What is the purpose of the dual VCC pins (7 and 9) on the FPP06R001?

The dual VCC pins (7 and 9) on the FPP06R001 provide redundant power supply connections to the internal driver IC, improving supply stability and current sharing under high peak-current switching conditions. Each VCC pin supports the full 5–20 V range and shares the driver's total supply current demand. Using both pins reduces voltage drop and IR loss across PCB traces, maintains consistent gate drive strength across temperature, and enhances noise immunity-key for reliable FPP06R001 operation in high-noise telecom power environments.