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Datasheet
- LM3445 Triac Dimmable Offline LED Driver (Rev. L)
(PDF , 1108 KB) 03 May 2013 - View All Technical Documents
| WEBENCH® LM3445 |
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| What are WEBENCH® tools? |
Sample & Buy
| Free Samples | Buy from Authorized Distributors | Part # | Status | Temp (oC) | Price | QTY | Package | Pins | Top Side Marking | Package QTY | Carrier | Distributor Inventory | TI 1k Lead Time | | LM3445M/NOPB | ACTIVE | 0.72 | 1ku | SOIC (D) | 14 | View | 55 | TUBE | 855 | Typical lead time for 1k quantity: 4 to 8 weeks | | LM3445MM/NOPB | ACTIVE | -40 to 125 | 0.72 | 1ku | VSSOP (DGS) | 10 | View | 1000 | SMALL T&R | >5K | 1k quantity lead time: In stock | Not Available | | LM3445MMX/NOPB | ACTIVE | -40 to 125 | 0.72 | 1ku | VSSOP (DGS) | 10 | View | 3500 | LARGE T&R | >5K | 1k quantity lead time: In stock | Not Available | Contact Distributor | LM3445MX/NOPB | ACTIVE | 0.72 | 1ku | SOIC (D) | 14 | View | 2500 | LARGE T&R | No Stock | For lead times contact TI Authorized Distributor or local TI sales office |
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* 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.
Technical Documents
Datasheet (1)
| Title | Type | Size (KB) | Date | Views |
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| 1108 | 03 May 2013 |
Application Notes (4)
| Title | Abstract | Type | Size (KB) | Date | Views |
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| 171 | 03 May 2013 | 2,498 | |||
| 24543 | 01 May 2013 | 1,421 | |||
| 1022 | 25 Oct 2012 | 1,009 | |||
| 2829 | 23 Nov 2010 | 1,642 |
User Guides (5)
| Title | Abstract | Type | Size (KB) | Date | Views |
|---|---|---|---|---|---|
| 780 | 01 May 2013 | 1,555 | |||
| 406 | 01 May 2013 | 1,026 | |||
| 2776 | 01 May 2013 | 1,232 | |||
| 3652 | 01 May 2013 | 1,075 | |||
| 4298 | 27 Jan 2012 | 1,204 |
Selection & Solution Guides (2)
| Title | Type | Size (KB) | Date | Views |
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| 9158 | 11 Mar 2013 | 31,448 | ||
| 3927 | 11 Mar 2013 | 1,968 |
External Articles (7)
| Title | Date |
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| Driving LEDs – A Fresh Look (LED Binning and Constant Current vs Constant Power) | 11 Apr 2012 |
| High LED Drive Currents with Low Stack Voltages Create Efficiency Challenges | 11 Apr 2012 |
| Home Depot’s $20 EcoSmart LED Light: What’s Inside? | 11 Apr 2012 |
| A Matter of Light, Part 1--The ABC's of LEDs | 24 Jan 2012 |
| A Matter of Light, Part 2--Buck Whenever Possible | 24 Jan 2012 |
| A Matter of Light, Part 3--When to Buck & Buck-Boost | 24 Jan 2012 |
| A Matter of Light, Part 4--PWM Dimming | 24 Jan 2012 |
Circuit Design & Simulation
| WEBENCH® LM3445 |
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| What are WEBENCH® tools? |
Design Kits & Evaluation Modules (4)
| Name | Part# | Type |
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| 120VFLBK-LM3445 evaluation board optimized for 120V input isolated applications | LM3445-120VFLBK | Evaluation Modules & Boards |
| 230VFLBK-LM3445 evaluation board optimized for 230V input isolated applications | LM3445-230VFLBK | Evaluation Modules & Boards |
| EDSNEV- 10W, non-isolated LM3445 evaluation board optimized for small solution size | LM3445-EDSNEV | Evaluation Modules & Boards |
| Small Footprint Most Efficient 110V Triac Dimmable Off-line LED Driver Evaluation Board | LM3445-120VSMEV | Evaluation Modules & Boards |
Reference Designs (7)
| Description | Part # | Company |
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| 120V AC input and 24.5V output LED Driver | PMP7770 | Texas Instruments |
| 230 Vac Off-line Triac Dimmer Retrofit with 6 LEDs Reference Design | LM3445-REF | Texas Instruments |
| 230V AC input to 23V,0.42A Flyback LED Driver | PMP7752 | Texas Instruments |
| Forward converter with Universal input driving 2x6 LEDs | PMP7762 | Texas Instruments |
| Isolated offline LED driver with 120V AC and driving 4X4 LED string at 1.5A | PMP7753 | Texas Instruments |
| LM3445 – 220VAC, 7W Dimmable Isolated | PMP7751 | Texas Instruments |
| Non-isolated Dimmable LED Driver with improved line regulation | PMP4327A | Texas Instruments |
Support & Community
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As a member of my.TI you can join the TI E2E™ Community where you can ask questions, share ideas and collaborate with fellow engineers and TI experts Contents are provided "AS IS" by the respective TI and Community contributors and do not constitute TI specifications. See Terms of Use. |
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Training & Events
| Name | Type | Available During |
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| Multi-Day PFC Design Workshop (Analog & Digital) sponsored by Biricha Digital Power Ltd. | In-Person | 15 Mar 2014 - 22 Mar 2014 |
| In-depth PFC Design Workshop | In-Person | 12 Nov 2013 - 14 Nov 2013 |
| Digital Power Multi-Day Workshop | In-Person | 05 Nov 2013 - 07 Nov 2013 |
| Optimizing Efficiency of Switching Mode Chargers | Recorded Content | On Demand |
| Single Cell Gauging 101 - Part 2: Classic Fuel Gauging Approaches | Recorded Content | On Demand |
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