Product details

VDS (V) 30 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 1.7 IDM - pulsed drain current (Max) (A) 200 QG typ (nC) 28 QGD typ (nC) 6 Package (mm) SON5x6 VGS (V) 10 VGSTH typ (V) 1.1 ID - silicon limited at Tc=25degC (A) 100 ID - package limited (A) 100 Logic level Yes
VDS (V) 30 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 1.7 IDM - pulsed drain current (Max) (A) 200 QG typ (nC) 28 QGD typ (nC) 6 Package (mm) SON5x6 VGS (V) 10 VGSTH typ (V) 1.1 ID - silicon limited at Tc=25degC (A) 100 ID - package limited (A) 100 Logic level Yes
VSON-CLIP (DQH) 8 30 mm² 5 x 6
  • Optimized for 5V Gate Drive
  • Ultra Low Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 5-mm × 6-mm Plastic Package
  • APPLICATIONS
    • Notebook Point-of-Load
    • Point-of-Load Synchronous Buck in Networking,
      Telecom and Computing Systems

NexFET is a trademark of Texas Instruments.

  • Optimized for 5V Gate Drive
  • Ultra Low Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 5-mm × 6-mm Plastic Package
  • APPLICATIONS
    • Notebook Point-of-Load
    • Point-of-Load Synchronous Buck in Networking,
      Telecom and Computing Systems

NexFET is a trademark of Texas Instruments.

The NexFET™ power MOSFET has been designed to minimize losses in power conversion applications and optimized for 5V gate drive applications.

The NexFET™ power MOSFET has been designed to minimize losses in power conversion applications and optimized for 5V gate drive applications.

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CSD17573Q5B ACTIVE 30-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 1.45 mOhm This product has lower resistance and a lower price.

Technical documentation

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Type Title Date
* Data sheet 30V N-Channel NexFET-Power MOSFET, CSD17312Q5 datasheet (Rev. A) 30 Sep 2010
Technical article Understanding the benefits of “lead-free” power MOSFETs 08 Feb 2019
Application note QFN and SON PCB Attachment (Rev. B) 24 Aug 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Technical article When to use load switches in place of discrete MOSFETs 03 Feb 2016
Technical article 48V systems: Driving power MOSFETs efficiently and robustly 08 Oct 2015
Application note Ringing Reduction Techniques for NexFET High Performance MOSFETs 16 Nov 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Support software

Power Loss Calculation Tool for Load Switch

SLPC019.ZIP (338 KB)
Simulation model

CSD17312Q5 Unencrypted PSpice Model (Rev. B)

SLLM120B.ZIP (9 KB) - PSpice Model
Calculation tool

MOSFET-LOSS-CALC — Power Loss Calculation Tool for MOSFET Products

The MOSFET-LOSS-CALC is an Excel based tool that allows users to estimate power loss in a synchronous buck converter based on system and MOSFET parameters. For help selecting a discrete MOSFET or power block solution for your buck converter application, check out our Buck Converter NexFET™ (...)
Calculation tool

MOTOR-DRIVE-FET-LOSS-CALC — MOSFET power loss calculator for motor drive applications

This is an Excel-based MOSFET power loss calculator for brushless DC motor drive applications.
Calculation tool

NONSYNC-BOOST-FET-LOSS-CALC — Power loss calculation tool for non-synchronous boost converter

MOSFET power loss calculator for non-synchronous boost converter
Calculation tool

SYNC-BOOST-FET-LOSS-CALC — Power loss calculation tool for synchronous boost converter

MOSFET power loss calculator for synchronous boost converter applications.
Calculation tool

SYNC-BUCK-FET-LOSS-CALC — MOSFET power loss calculator for synchronous buck converter applications

MOSFET power loss calculator for synchronous buck converter applications
Reference designs

PMP10478 — 85 to 265VAC Input 5V@30W Dual Port Charger For Tablets and Smart Phones Reference Design

This reference design is capable of charging two devices at 2.5A each with over 82% efficiency. The UCC24610 synchronous rectifier controller and CSD17312Q5 FET reduce the rectifier loss and provide high efficiency with a minimal increase in cost. The TPS2561A provides accurate and independent (...)
Reference designs

PMP5711 — Telecom Bus Converter for Module Replacement

Highest performance, highest power 175W telecom active clamp forward, 5V @35A w/ lowest form factor
Reference designs

PMP8366 — 36V-75VDC Input, 5V/20A Active Clamp Forward, 1/8th Brick Reference Design

This reference design generates a 5V/20A output from a standard 48V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD17312Q5, implemented as self-driven synchronous rectifiers, provide for a highly efficient design. This (...)
Reference designs

PMP8252 — 18Vdc-60Vdc Input, 3.3V @ 30A Output, 93% Efficient Active Clamp Forward

The PMP8252 reference design provides 3.3V at 30A from a wide range 18V-60V telecom input with a peak efficiency that is greater than 93%. This design uses the UCC2897A active clamp controller along with Texas Instruments' NexFET power MOSFETs for synchronous rectification.
Reference designs

PMP7032 — Wide input 18V to 75V, 3.3V @ 20Amax

wide input range 4:1 telecom active clamp forward 3V3 bus converter that provides I/O voltage up to 20Amps peak
Reference designs

PMP6942 — "18V-36V Input 6V/100W 95% Efficient Active Clamp Forward

The PMP6942 reference design provides 6V at 100W (17A) from a standard 24V telecom input with greater than 94% efficiency. This design uses the UCC2897A active clamp controller along with the TI CSD17312Q5 NexFET synchronous rectifier.
Reference designs

PMP6753 — 18Vdc-60Vdc Input, 3.3V @ 25A Output, 94% Efficient Active Clamp Forward

The PMP6753 reference design provides 3.3V at 25A from a wide range 18V-60V telecom input with greater than 94% efficiency. This design uses the UCC2897A active clamp controller along with Texas Instruments' NexFET power MOSFETs for synchronous rectification.
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