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NCP4305DDR2G The ON Semiconductor NCP4305DDR2G is a high-performance driver for synchronous rectification MOSFETs in switch mode power supplies. It is designed for high efficiency in various SMPS topologies.
Mfr Part #:

NCP4305DDR2G

Available from 4 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP4305DDR2G is a high-performance driver for synchronous rectification MOSFETs in switch mode power supplies. It is designed for high efficiency in various SMPS topologies.
✓ Total Stock: 482,956 pcs
$ Price Range: $0.75

NCP4305DDR2G Available from 4 distributors

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Flip Electronics ✓
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480,000 pcs
On Request
480000 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
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1,086 pcs
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1086 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
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1,000 pcs
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1000 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
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870 pcs
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870 pcs On Request 1 On Request On Request 1744+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

NCP4305DDR2G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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NCP4305DDR2G Description

Short technical summary and product information.

The NCP4305DDR2G from ON Semiconductor is a versatile secondary-side synchronous rectification driver designed to enhance efficiency in switch mode power supplies (SMPS). It is suitable for various topologies including DCM, CCM flyback, quasi resonant flyback, forward, and half bridge resonant LLC.

 

Key features include a precise turn-off threshold, a low turn-off delay of typically 12 ns, and a high sink/source drive capability of 8 A / 4 A. The device operates up to 35 V and has an operating temperature range of -40°C to 125°C. It also incorporates features like adjustable minimum on-time and off-time with ringing detection, automatic light-load detection, and an adaptive gate drive clamp, enabling the use of GaN FETs.

 

This driver is housed in an 8-SOIC package and is designed for surface mount applications. Its robust design and advanced features contribute to maximum SMPS efficiency, making it ideal for applications such as notebook adapters, high power density AC/DC power supplies, and LCD TVs where high efficiency is a critical requirement.

NCP4305DDR2G Quick Information

Product Type: Power Supply Controller
Series: NCP4305
Canonical Name: NCP4305 Secondary Side Synchronous Rectification Driver
Subcategory: Power Supply Controllers

NCP4305DDR2G Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

NCP4305DDR2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

NCP4305DDR2G Features

  • High performance synchronous rectification driver.
  • Suitable for various SMPS topologies.
  • Typically 12 ns turn off delay.
  • 8 A / 4 A peak current drive capability.
  • Operates up to 35 V.

NCP4305DDR2G Applications

  • Ideal for notebook adapters.
  • Used in high power density supplies.
  • Suitable for LCD TV power supplies.
  • Enhances SMPS efficiency requirements.

NCP4305DDR2G FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the NCP4305DDR2G?

The operating voltage is 35 V.

What is the package type of the NCP4305DDR2G?

The device is available in an 8-SOIC (0.154", 3.90mm Width) surface mount package.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C.

What is the peak drive current?

The peak sink current is 8 A and peak source current is 4 A.

What is the maximum operating frequency?

The maximum operating frequency is 1 MHz.

What is the turn-off delay?

The typical turn-off delay from current sense input to driver is 12 ns.

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