UCC28810 Status: ACTIVE

LED Lighting Power Controller

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Datasheet

LED Lighting Power Controller (PDF 1159 KB) 5664 views
22 Oct 2008

	UCC28810	UCC28811
Frequency(Max)(kHz)	200	200
UVLO Thresholds On/Off(V)	16/10	12.5/10
Pin/Package	8SOIC	8SOIC
	Samples	Samples
	Inventory	Inventory

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Product Information

Features

Transition Mode Controller for Low Implementation Cost of AC Input LED Lighting Applications
Implements Single Stage Power Factor Corrected LED Driver
Enhanced Transient Response With Slew-Rate Comparator
Interfaces with Traditional Wall Dimmers
Accurate Internal V_REF for Tight Output Regulation
Two UVLO Options
Overvoltage Protection (OVP), Open-Feedback Protection and Enable Circuits
±750-mA Peak Gate Drive Current
Low Start-Up and Operating Currents
Lead (Pb)-Free Packages
APPLICATIONS
- AC Input General Lighting Applications Using HB LEDs
- Industrial, Commercial and Residential Lighting Fixtures
- Outdoor Lighting: Street, Roadway, Parking, Construction and Ornamental LED Lighting Fixtures

All trademarks are the property of their respective owners.

Description

The UCC28810 and UCC28811 are general lighting power controllers for low to medium power lumens applications requiring power factor correction and EMC compliance. It is designed for controlling a flyback, buck or boost converter operating in critical conduction mode. It features a transconductance voltage amplifier for feedback error processing, a simple current reference generator for generating a current command proportional to the input voltage, a current-sense (PWM) comparator, PWM logic and a totem-pole driver for driving an external FET.

In the critical conduction mode operation, the PWM circuit is self-oscillating with the turn-on being governed by a transformer zero energy detector (TZE pin) and the turn-off being governed by the current sense comparator. Additionally, the controller provides features such as peak current limit, restart timer, overvoltage protection (OVP), and enable.

The efficient system performance is attained by incorporation of zero power detect function which allows the controller output to shut down at light load conditions without running into overvoltage. The device also features an innovative slew rate enhancement circuit which improves the large signal transient performance of the voltage error amplifier. The low start-up and operating currents of the device result in low power consumption and ease of start-up. The highly-accurate internal bandgap reference leads to tight regulation of the output voltage in normal and OVP conditions, resulting in higher system reliability. The enable comparator ensures that the controller is off if the feedback sense path is broken or if the input voltage is very low.

There are two key parametric differences between UCC28810 and UCC28811, the UVLO turn-on threshold and the g_M amplifier source current. The UVLO turn-on threshold of the UCC28810 is 15.8 V and for the UCC28811 it is 12.5 V. The g_M amplifier source current for UCC28810 is typically 1.3 mA, and for the UCC28811 it is 300µA. The higher UVLO turn-on threshold of the UCC28810 allows quicker and easier start-up with a smaller VDD capacitance while the lower UVLO turn-on threshold of UCC28811 allows operation of the critical conduction mode controller to be easily controlled by the downstream PWM controller in two-stage power converters. The UCC28810 g_M amplifier also provides a full 1.3-mA typical source current for faster start-up and improved transient response when the output is low either at start-up or during transient conditions. The UCC28811 is suitable for applications such as street lights and larger area luminaires where a two-stage power conversion is needed. The UCC28810 is suitable for applications such as commercial or residential retrofit luminaires where there is no down-stream PWM conversion and the advantages of smaller VDD capacitor and improved transient response can be realized.

Devices are available in the industrial temperature range of –40°C to 105°C. Package offering is an 8-pin SOIC (D) package.

Pricing / Packaging / CAD Design Tools / Samples

			Price	Packaging			Samples
Device	Status	Temp (^oC)	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Samples
UCC28810D	ACTIVE	-40 to 85	0.75 \| 1ku	SOIC (D) \| 8	View	75 \| TUBE	Purchase Samples
UCC28810DG4	ACTIVE	-40 to 85	0.75 \| 1ku	SOIC (D) \| 8	View	75 \| TUBE	Purchase Samples
UCC28810DR	ACTIVE	-40 to 85	0.65 \| 1ku	SOIC (D) \| 8	View	2500 \| LARGE T&R
UCC28810DRG4	ACTIVE	-40 to 85	0.65 \| 1ku	SOIC (D) \| 8	View	2500 \| LARGE T&R

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

	TI Inventory Status	Reported Distributor Inventory
UCC28810D	As of 8:04 AM GMT, 03 Jul 2009	As of 8:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	4 Weeks	Americas	Avnet	165
			DigiKey	Available
			Mouser Electronics	415
UCC28810DG4	As of 8:04 AM GMT, 03 Jul 2009	As of 8:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	4 Weeks	Americas	DigiKey	Available
UCC28810DR	As of 8:04 AM GMT, 03 Jul 2009	As of 8:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	4 Weeks	Americas	DigiKey	>1k
UCC28810DRG4	As of 8:04 AM GMT, 03 Jul 2009	As of 8:04 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	4 Weeks	Americas	DigiKey	Available
View all Distributors

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

	Product Content				DPPM / MTBF / FIT Rate
Device	Eco Plan*	Lead / Ball Finish	MSL Rating / Peak Reflow	Details	Details
UCC28810D	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
UCC28810DG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
UCC28810DR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
UCC28810DRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Most useful technical documents for UCC28810

Datasheet

LED Lighting Power Controller (PDF 1159 KB) 5664 views
22 Oct 2008

User Guides

Using the UCC28810EVM-002 A 0.9-A Constant Current Supply with PFC for 100-W LED (Rev. A) (HTM 8 KB) 568 views
18 Jun 2009 Read Abstract
Using the UCC28810EVM-00, 25-W PFC Flyback LED Converter (Rev. B) (HTM 8 KB) 989 views
18 Jun 2009 Read Abstract

View User Guides for PWM Power Supply Controllers

More Literature

PR788 Schematic (Rev. A) (PDF 135 KB) 2635 views
16 Jan 2009
PR788 Bill of Materials (Rev. A) (PDF 31 KB) 1093 views
16 Jan 2009
PR788 Street Lighting Reference Design (ZIP 255 KB) 964 views
03 Oct 2008

Reference Designs

Description	Part #	Company
100W Offline AC to DC LED Current Driver with Power Factor Correction	PR788	Texas Instruments

Tools & Software

Name	Part #	Company	Tool / Software Type
A 0.9-A Constant Current Supply with PFC for 100-W LED	UCC28810EVM-002	Texas Instruments	Development Boards/EVMs
UCC28810 25-W PFC Flyback LED Converter Evaluation Module	UCC28810EVM-001	Texas Instruments	Development Boards/EVMs

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100W LED Street light demo

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Duration:01:31
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UCC28810 Status: ACTIVE

LED Lighting Power Controller

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