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Home > Products > Discrete Semiconductor Products > Transistors > FETs, MOSFETs > FETs, MOSFETs

Renesas UPA2708GR-E1-AT

Name: UPA2708GR-E1-AT
Brand: Renesas
SKU: UPA2708GR-E1-AT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: UPA2708GR-E1-AT

Manufacturer:: Renesas

Category:: FETs, MOSFETs

Package:: -

Datasheet:: UPA2708GR-E1-AT.pdf

Description:: N-CHANNEL POWER MOSFET

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Product details

Overview

UPA2708GR-E1-AT from Renesas Electronics is an N-channel power MOSFET designed for high-efficiency DC/DC converters in notebook computers, featuring R_DS(on)1 = 5.5 mΩ max at V_GS = 10 V and I_D = 9.0 A, C_iss = 4700 pF typ, and Power SOP8 surface-mount package.

For engineers reviewing the UPA2708GR-E1-AT datasheet, UPA2708GR-E1-AT pinout, UPA2708GR-E1-AT application, or UPA2708GR-E1-AT equivalent, key selection criteria include low-voltage gate drive capability (R_DS(on)2 = 7.5 mΩ max at V_GS = 4.5 V), avalanche ruggedness (E_AS = 28.9 mJ), and thermal resistance (R_th(ch-L) = 30 °C/W).

Technical Context

This MOSFET employs a trench-gate process optimized for synchronous buck converter high-side and low-side switching, with fast switching times (t_d(on) = 19 ns, t_f = 27 ns) and low gate charge (Q_G = 38 nC). Its body diode exhibits V_F(S-D) = 0.8 V at I_F = 17 A and t_rr = 33 ns, supporting efficient freewheeling in compact power stages.

The device operates within a V_DSS = 30 V rating and supports ±17 A DC drain current on thermally adequate PCBs. Its channel temperature limit of 150 °C and transient thermal resistance profile enable reliable operation under pulsed loads up to 68 A with ≤1% duty cycle.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DSS	30 V - Maximum blocking voltage for 12 V–24 V input DC/DC stages
R_DS(on)1	5.5 mΩ max at V_GS = 10 V, I_D = 9.0 A - Enables <1 W conduction loss at 9 A continuous
R_DS(on)2	7.5 mΩ max at V_GS = 4.5 V, I_D = 9.0 A - Supports logic-level gate drive from standard PWM controllers
C_iss	4700 pF typ at V_DS = 10 V - Low input capacitance reduces gate drive power and improves switching speed
Q_G	38 nC - Enables fast turn-on with moderate gate driver strength (e.g., 1–2 A peak)
E_AS	28.9 mJ - Withstands single-pulse inductive energy without failure in typical buck converter layouts
R_th(ch-L)	30 °C/W - Low channel-to-drain thermal resistance allows heat transfer directly to PCB copper pour

Pinout & Package

UPA2708GR-E1-AT uses the Power SOP8 package (6.0 mm × 4.4 mm × 1.8 mm), with exposed drain pad for thermal enhancement and standardized 1.27 mm pitch leads.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 3	Source	Common source node for internal MOSFET cells; tied to PCB ground plane for low-inductance return path
4	Gate	Control terminal requiring <38 nC charge; sensitive to ESD; must be driven with controlled slew rate
5, 6, 7, 8	Drain	High-current output node connected to exposed copper pad; primary heat dissipation path to PCB

Key Features

Feature	Design Value
Low R_DS(on) at 4.5 V	7.5 mΩ max enables use with 5 V or 3.3 V PWM controllers without level-shifting
Fast switching performance	19 ns turn-on delay + 27 ns fall time minimizes dead-time losses in synchronous rectification
Integrated body diode	V_F(S-D) = 0.8 V at 17 A supports efficient freewheeling with low forward drop and 33 ns recovery
Avalanche-rated design	Rated for single-pulse E_AS = 28.9 mJ, allowing robust operation during inductive switching transients
Thermally enhanced package	Exposed drain pad and R_th(ch-L) = 30 °C/W reduce junction-to-PCB thermal impedance by >60% vs. standard SO-8

Applications

Notebook Computer DC/DC Converters	USB-C PD Power Delivery Modules
Use Scenario: Step-down conversion from 12 V or 19 V battery/adapter to core CPU/GPU voltages (e.g., 1.0–1.8 V). IC Role / Device Role / Timing Role: High-side or low-side synchronous rectifier switch in multiphase buck regulators. Use Value: Low R_DS(on) and fast switching minimize conduction and switching losses, enabling >92% efficiency at 10–30 A load.	Use Scenario: Secondary-side synchronous rectification in 20–100 W USB-C PD adapters with programmable output. IC Role / Device Role / Timing Role: Output rectifier MOSFET replacing Schottky diode to reduce forward drop and improve thermal margin. Use Value: V_F(S-D) = 0.8 V and t_rr = 33 ns allow clean reverse recovery, reducing voltage spikes and EMI in high-frequency flyback or active-clamp topologies.
Industrial SMPS Auxiliary Supplies	Embedded System Point-of-Load Regulators
Use Scenario: 5 V or 3.3 V auxiliary rail generation from 24 V industrial bus using isolated or non-isolated buck. IC Role / Device Role / Timing Role: Primary switching element in compact, board-mounted DC/DC modules. Use Value: Power SOP8 footprint and R_th(ch-L) = 30 °C/W support high-power density designs without heatsinks on standard FR-4.	Use Scenario: Local voltage regulation for FPGA, ASIC, or DSP cores in space-constrained embedded systems. IC Role / Device Role / Timing Role: Low-voltage, high-current switch in monolithic or discrete POL converters operating at ≥500 kHz. Use Value: 4.5 V gate drive compatibility and 38 nC Q_G ensure stable operation with integrated gate drivers in controller ICs.

Notebook Computer DC/DC Converters

USB-C PD Power Delivery Modules

Use Scenario: Step-down conversion from 12 V or 19 V battery/adapter to core CPU/GPU voltages (e.g., 1.0–1.8 V).

IC Role / Device Role / Timing Role: High-side or low-side synchronous rectifier switch in multiphase buck regulators.

Use Value: Low R_DS(on) and fast switching minimize conduction and switching losses, enabling >92% efficiency at 10–30 A load.

Use Scenario: Secondary-side synchronous rectification in 20–100 W USB-C PD adapters with programmable output.

IC Role / Device Role / Timing Role: Output rectifier MOSFET replacing Schottky diode to reduce forward drop and improve thermal margin.

Use Value: V_F(S-D) = 0.8 V and t_rr = 33 ns allow clean reverse recovery, reducing voltage spikes and EMI in high-frequency flyback or active-clamp topologies.

Industrial SMPS Auxiliary Supplies

Embedded System Point-of-Load Regulators

Use Scenario: 5 V or 3.3 V auxiliary rail generation from 24 V industrial bus using isolated or non-isolated buck.

IC Role / Device Role / Timing Role: Primary switching element in compact, board-mounted DC/DC modules.

Use Value: Power SOP8 footprint and R_th(ch-L) = 30 °C/W support high-power density designs without heatsinks on standard FR-4.

Use Scenario: Local voltage regulation for FPGA, ASIC, or DSP cores in space-constrained embedded systems.

IC Role / Device Role / Timing Role: Low-voltage, high-current switch in monolithic or discrete POL converters operating at ≥500 kHz.

Use Value: 4.5 V gate drive compatibility and 38 nC Q_G ensure stable operation with integrated gate drivers in controller ICs.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
Si2308DS-T1-GE3	R_DS(on) = 28 mΩ min at V_GS = 4.5 V; SOT-23 package; lower current rating (I_D = 4.5 A)	Suitable only for sub-5 A loads; lacks avalanche rating and thermal performance of UPA2708GR-E1-AT	Select when board space is critical and power level is below 15 W
IRLML6344TRPBF	R_DS(on) = 22 mΩ max at V_GS = 4.5 V; Micro3 package; no specified E_AS or C_iss data in public datasheet	Lower power handling (I_D = 4.3 A); not validated for repetitive avalanche stress in DC/DC converters	Prefer for cost-sensitive, low-current logic-level switching where ruggedness is secondary

Compared with Si2308DS-T1-GE3 and IRLML6344TRPBF, the UPA2708GR-E1-AT delivers superior thermal performance (R_th(ch-L) = 30 °C/W), higher current capability (±17 A), and guaranteed avalanche energy (28.9 mJ), making it uniquely suited for sustained high-power notebook and industrial DC/DC applications where reliability and efficiency are co-prioritized.

Availability

UPA2708GR-E1-AT is available at Aetrix Electronics and suitable for notebook computer power management, USB-C PD adapter design, and industrial point-of-load regulation requiring stable component supply and long-term lifecycle support.

Supply support for UPA2708GR-E1-AT 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

Renesas Electronics Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and consumer markets.

The UPA2708GR-E1-AT belongs to Renesas' legacy power MOSFET product line targeting high-efficiency, space-constrained DC/DC conversion in portable computing and embedded power systems.

FAQ

What is the maximum continuous drain current rating for UPA2708GR-E1-AT?

The UPA2708GR-E1-AT is rated for ±17 A DC drain current when mounted on a 1 inch × 1 inch × 0.8 mm glass epoxy board. This rating assumes proper PCB copper area for thermal dissipation and ambient temperature ≤25°C. Derating applies above 25°C per the datasheet's derating curve.

Does UPA2708GR-E1-AT support 4.5 V gate drive in practical applications?

Yes, the UPA2708GR-E1-AT specifies R_DS(on)2 = 7.5 mΩ max at V_GS = 4.5 V and I_D = 9.0 A, confirming robust enhancement-mode operation at logic-level gate voltages. It is widely used with PWM controllers lacking dedicated high-side drivers, such as those in notebook VRMs.

What is the avalanche energy rating of UPA2708GR-E1-AT and how is it tested?

The UPA2708GR-E1-AT has a single-pulse avalanche energy rating of E_AS = 28.9 mJ, measured under conditions of V_DD = 15 V, R_G = 25 Ω, L = 100 µH, V_GS = 20 → 0 V, and starting channel temperature of 25°C. This validates its ability to absorb inductive switching energy without failure in typical buck converter layouts.

Is UPA2708GR-E1-AT RoHS compliant and lead-free?

Yes, the "-A" suffix in UPA2708GR-E1-AT denotes Pb-free construction. The datasheet explicitly states that this product does not contain lead in external electrodes or other parts, meeting RoHS Directive requirements for restricted substances.

What thermal resistance values apply to UPA2708GR-E1-AT in standard mounting?

When mounted on a 1 inch × 1 inch × 0.8 mm glass epoxy board, the UPA2708GR-E1-AT exhibits R_th(ch-A) = 114 °C/W (channel-to-ambient) and R_th(ch-L) = 30 °C/W (channel-to-drain lead). The latter value reflects direct heat transfer from the die through the exposed drain pad to PCB copper, enabling effective thermal management without external heatsinks.

UPA2708GR-E1-AT Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Series:: *

Package/Case:: -

Packaging:: Bulk

Product Status:: Active

FET Type:: -

Technology:: -

Drain to Source Voltage (Vdss):: -

Current - Continuous Drain (Id) @ 25°C:: -

Drive Voltage (Max Rds On, Min Rds On):: -

Rds On (Max) @ Id, Vgs:: -

Vgs(th) (Max) @ Id:: -

Gate Charge (Qg) (Max) @ Vgs:: -

Vgs (Max):: -

Input Capacitance (Ciss) (Max) @ Vds:: -

FET Feature:: -

Power Dissipation (Max):: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

UPA2708GR-E1-AT FAQ

1.How can I place an order for UPA2708GR-E1-AT through Aetrix?

Please submit a Request for Quotation (RFQ) for UPA2708GR-E1-AT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for UPA2708GR-E1-AT reliable?

The price and inventory of UPA2708GR-E1-AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPA2708GR-E1-AT is usually 5 days.

3.What payment methods are accepted for UPA2708GR-E1-AT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPA2708GR-E1-AT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for UPA2708GR-E1-AT?

UPA2708GR-E1-AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your UPA2708GR-E1-AT order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for UPA2708GR-E1-AT?

For technical support, including UPA2708GR-E1-AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPA2708GR-E1-AT requirements.

6.How does Aetrix verify that UPA2708GR-E1-AT is sourced from the original manufacturer or authorized distributors?

All UPA2708GR-E1-AT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that UPA2708GR-E1-AT meets industry standards.

7.What is the process for return or replacement of UPA2708GR-E1-AT?

All UPA2708GR-E1-AT units undergo pre-shipment inspection (PSI). If there is an issue with UPA2708GR-E1-AT, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The UPA2708GR-E1-AT part is unused and in its original packaging.

Return procedure for UPA2708GR-E1-AT:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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