UCC28600

Name: UCC28600
Brand: TI
SKU: UCC28600
Price: .407 USD

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8-pin quasi resonant Flyback green mode controller

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Data sheet

document-pdfAcrobat UCC28600 8-Pin Quasi-Resonant Flyback Green-Mode Controller datasheet (Rev. K) PDF | HTML

UCC28600

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Data sheet

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Product details

Control mode

Secondary-side regulation

UVLO thresholds on/off (V)

10.3/9.3

Duty cycle (max) (%)

99

Switching frequency (max) (kHz)

130

Features

Current limiting, Green mode, Light-load efficiency, Quasi resonant, SSR, X-cap discharge

Operating temperature range (°C)

-40 to 105

Rating

Catalog

Device type

Controllers

Topology

Flyback

Control mode

Secondary-side regulation

UVLO thresholds on/off (V)

10.3/9.3

Duty cycle (max) (%)

99

Switching frequency (max) (kHz)

130

Features

Current limiting, Green mode, Light-load efficiency, Quasi resonant, SSR, X-cap discharge

Operating temperature range (°C)

-40 to 105

Rating

Catalog

Device type

Controllers

Topology

Flyback

SOIC (D)

8

29.4 mm² 4.9 x 6

Green-Mode Controller With Advanced Energy
Saving Features
Quasi-Resonant Mode Operation for Reduced
EMI and Low Switching Losses (Low-Voltage
Valley Switching)
Low Standby Current for Minimum System No-
Load Power Consumption
Low Start-up Current: 25-µA Maximum
Programmable Line and Load Over-Voltage
Protection
Internal Over-Temperature Protection
Current Limit Protection
- Cycle-by-Cycle Power Limit
- Primary-Side Over-Current Hiccup Restart
  Mode
1-A Sink, –0.75-A Source TrueDrive™ Gate Drive
Output
Programmable Soft-Start
Green-Mode Status Pin (PFC Disable Function)

Green-Mode Controller With Advanced Energy
Saving Features
Quasi-Resonant Mode Operation for Reduced
EMI and Low Switching Losses (Low-Voltage
Valley Switching)
Low Standby Current for Minimum System No-
Load Power Consumption
Low Start-up Current: 25-µA Maximum
Programmable Line and Load Over-Voltage
Protection
Internal Over-Temperature Protection
Current Limit Protection
- Cycle-by-Cycle Power Limit
- Primary-Side Over-Current Hiccup Restart
  Mode
1-A Sink, –0.75-A Source TrueDrive™ Gate Drive
Output
Programmable Soft-Start
Green-Mode Status Pin (PFC Disable Function)

The UCC28600 is a PWM controller with advanced energy features to meet stringent world-wide energy efficiency requirements.

UCC28600 integrates built-in advanced energy saving features with high-level protection features to provide cost-effective solutions for energy-efficient power supplies. UCC28600 incorporates frequency fold-back and green-mode operation to reduce the switching losses at light-load and no-load conditions.

UCC28600 is available in the 8-pin SOIC package. Operating junction temperature range is –40°C to +105°C.

The UCC28600 Design Calculator, (SLVC104), located in the Tools and Software section of the UCC28600 product folder, provides a user-interactive iterative process for selecting recommended component values for an optimal design.

The UCC28600 is a PWM controller with advanced energy features to meet stringent world-wide energy efficiency requirements.

UCC28600 integrates built-in advanced energy saving features with high-level protection features to provide cost-effective solutions for energy-efficient power supplies. UCC28600 incorporates frequency fold-back and green-mode operation to reduce the switching losses at light-load and no-load conditions.

UCC28600 is available in the 8-pin SOIC package. Operating junction temperature range is –40°C to +105°C.

The UCC28600 Design Calculator, (SLVC104), located in the Tools and Software section of the UCC28600 product folder, provides a user-interactive iterative process for selecting recommended component values for an optimal design.

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UCC28600-Q1

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Automotive 8-pin current mode Flyback controller with green mode Automotive qualified version

Technical documentation

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	Type	Title		Date
*	Data sheet	UCC28600 8-Pin Quasi-Resonant Flyback Green-Mode Controller datasheet (Rev. K)	PDF \| HTML	31 Aug 2015
	More literature	Flyback Selection Guide	PDF \| HTML	23 Jun 2022
	More literature	Selecting Electrolitic Bus Capacitor for Universal Input		17 Jul 2018
	Selection guide	Power Management Guide 2018 (Rev. R)		25 Jun 2018
	More literature	Advancing Power Supply Solutions Through the Promise of GaN		24 Feb 2015
	More literature	Exposing the Inner Behavior of a Quasi-Resonant Flyback Converter		29 Oct 2013
	More literature	Compensation Design with TL431 for UCC28600		16 Jan 2013
	User guide	A 600-W Input, Isolated PFC Power Supply for AVR Amplifiers. (Rev. C)		20 Sep 2012
	More literature	Flyback Transformer Design for the UCC28600 (Rev. A)		13 Apr 2011
	User guide	Quasi-Resonant Flyback Converter Universal Off-Line Input 65-W Evaluation Module (Rev. C)		18 Jun 2010
	More literature	Design Considerations for the UCC28600 (Rev. B)		01 May 2008
	User guide	UCC28600 120-W Evaluation Module User's Guide (Rev. A)		19 Oct 2006
	More literature	Bootstrap Circuit for Green Mode Applications		27 Jan 2006
	More literature	Seminar 300 Topic 8 - Switching Power Supply Design Review		15 Feb 2001
	More literature	Seminar 400 Topic 2 - Design of Flyback Transformers and Filter Inductors		15 Feb 2001

Design & development

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

Evaluation board

UCC28600EVM-65W — UCC28600 Evaluation Module

The UCC28600 evaluation module (UCC28600EVM-65W) is a 65 W off-line quasi-resonant flyback converter providing an 18 V regulated output at 3.6 A of load current, operating from a universal ac input between 85 Vac and 265 Vac with a frequency range of 47 Hz to 63 Hz.

The EVM uses the UCC28600 (...)

User guide: PDF