中文
English
PH4840S,115-VB Product details
Back to previous pageProduct introduction：
PH4840S,115-VB is a Single N-MOS deeply optimized for low-voltage, high-current power switching scenarios. The Trench process combines ultra-low on-resistance with high switching reliability. The LFPAK56 package achieves an excellent balance between heat dissipation and board space. With a 40V withstand voltage, 100A current-carrying capacity, and 2mΩ-level on-resistance, it is an ideal upgrade alternative to traditional DPAK or SOP-8 package devices, especially suitable for applications requiring high power density and high efficiency.
File download
Download PDF document
Download now
Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | 40V | 1.4V | 100A | 2.4(mΩ) | 2(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | 40V | 1.4V | 100A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N | 40V | 1.4V | 100A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| LFPAK56 | Single-N |
(Selection Decision Key Points)
VDS=40V: Suitable for 5V/12V/24V systems, providing sufficient voltage margin for voltage spikes and reducing avalanche breakdown risk.
VGS=±20V: Compatible with 1.8V~12V logic levels, can directly connect to MCU/PMIC, eliminating level shift circuits.
Vth=1.4V (Typical): Ensures full conduction even with low gate drive voltage, ideal for battery voltage drop scenarios.
RDS(on)=2mΩ @ VGS=10V: Ultra-low on-resistance significantly reduces full-load temperature rise, minimizing heatsink copper area requirements.
RDS(on)=2.4mΩ @ VGS=4.5V: Maintains ultra-low impedance under low-voltage drive, suitable for compact logic-level direct drive designs.
ID=100A: Ample continuous current margin to handle peak demands of high-power loads like motors and power supplies.
Package LFPAK56: Small size, low parasitic inductance, supports high-frequency switching, with excellent thermal path for improved system reliability.
VDS=40V: Suitable for 5V/12V/24V systems, providing sufficient voltage margin for voltage spikes and reducing avalanche breakdown risk.
VGS=±20V: Compatible with 1.8V~12V logic levels, can directly connect to MCU/PMIC, eliminating level shift circuits.
Vth=1.4V (Typical): Ensures full conduction even with low gate drive voltage, ideal for battery voltage drop scenarios.
RDS(on)=2mΩ @ VGS=10V: Ultra-low on-resistance significantly reduces full-load temperature rise, minimizing heatsink copper area requirements.
RDS(on)=2.4mΩ @ VGS=4.5V: Maintains ultra-low impedance under low-voltage drive, suitable for compact logic-level direct drive designs.
ID=100A: Ample continuous current margin to handle peak demands of high-power loads like motors and power supplies.
Package LFPAK56: Small size, low parasitic inductance, supports high-frequency switching, with excellent thermal path for improved system reliability.
Domain and module applications：
High-Power DC-DC Converters: Replacing Schottky diodes in synchronous rectification, ultra-low on-resistance significantly reduces losses, greatly improving heavy-load efficiency, facilitating module miniaturization.
Motor Drive Modules: 100A high-current capability and low switching losses match brushless DC motors and power tools, noticeably lowering controller temperature rise.
Battery Protection Modules: Fast response ensures microsecond-level shutdown during overcurrent/short circuit, ultra-low internal resistance reduces self-heating of the protection board, extending battery life.
Automotive Power Systems: 40V voltage tolerance and wide safe operating area suit 12V/24V automotive buses, offering high reliability against transient shocks like load dump.
Server/Communication Power Supplies: In low-voltage, high-current rectification scenarios, 2mΩ on-resistance greatly reduces power losses, improving overall system efficiency.
Power Tools and Garden Machinery: High current margin supports extreme conditions like locked rotor, the LFPAK56 package aids in compact handle designs.
Lithium Battery Energy Storage Systems: In low-voltage, high-current charge/discharge scenarios, low conduction voltage drop improves overall system efficiency, suitable for high-rate applications. Selection Summary: The PH4840S,115-VB achieves an excellent balance between on-resistance, current capability, and package thermal performance, making it a high-performance, general-purpose choice for 40V low-voltage, high-current switching applications, especially suitable for projects with strict requirements on efficiency, temperature rise, and power density.
* Please note: the above is only an example application scenario, the specific application depends on the requirements and conditions of the system design. When using this device, consult its data sheet for detailed technical specifications and features
Technical support：
* If you have any questions about the product, please fill out the form to submit, we will reply you within 24 hours
