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Datasheet
- LM3743 High-Perf Synch Buck Cntrler w/Compreh Fault Protect Features (Rev. E)
(PDF , 1603 KB) 04 Apr 2013 - View All Technical Documents
Device Uses
- Rack-Mount Servers
- Telecom Base Stations
- Routers
- Printers/Scanners
- Multi-Media Set-Top Boxes
- FPGAs, ASICs, and DSPs
Sample & Buy
| Free Samples | Buy from Authorized Distributors | Part # | Status | Temp (oC) | Price | QTY | Package | Pins | Device Marking | Package QTY | Carrier | Distributor Inventory | TI 1k Lead Time | Not Available | Contact Distributor | LM3743MM-1000 | ACTIVE | -40 to 125 | 0.99 | 1ku | VSSOP (DGS) | 10 | View | 1000 | SMALL T&R | No Stock | For lead times contact TI Authorized Distributor or local TI sales office | Contact Distributor | LM3743MM-1000/NOPB | ACTIVE | -40 to 125 | 0.99 | 1ku | VSSOP (DGS) | 10 | View | 1000 | SMALL T&R | No Stock | For lead times contact TI Authorized Distributor or local TI sales office | Not Available | Contact Distributor | LM3743MM-300 | ACTIVE | -40 to 125 | 0.99 | 1ku | VSSOP (DGS) | 10 | View | 1000 | SMALL T&R | No Stock | For lead times contact TI Authorized Distributor or local TI sales office | | LM3743MM-300/NOPB | ACTIVE | -40 to 125 | 0.99 | 1ku | VSSOP (DGS) | 10 | View | 1000 | SMALL T&R | 1K - 5K | 1k quantity lead time: In stock | Not Available | Contact Distributor | LM3743MMX-1000 | ACTIVE | -40 to 125 | 0.99 | 1ku | VSSOP (DGS) | 10 | View | 3500 | LARGE T&R | No Stock | For lead times contact TI Authorized Distributor or local TI sales office | Not Available | Contact Distributor | LM3743MMX-1000/NOPB | ACTIVE | -40 to 125 | 0.99 | 1ku | VSSOP (DGS) | 10 | View | 3500 | No Stock | For lead times contact TI Authorized Distributor or local TI sales office | Not Available | Contact Distributor | LM3743MMX-300 | ACTIVE | -40 to 125 | 0.99 | 1ku | VSSOP (DGS) | 10 | View | 3500 | LARGE T&R | No Stock | For lead times contact TI Authorized Distributor or local TI sales office | Not Available | Contact Distributor | LM3743MMX-300/NOPB | ACTIVE | -40 to 125 | 0.99 | 1ku | VSSOP (DGS) | 10 | View | 3500 | 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.
Related Products
| Part # | Name | Product Family | Comments |
|---|---|---|---|
| LM1770 | Low-Voltage SOT23 Synchronous Buck Controller With No External Compensation | CONTROLLER (EXTERNAL SWITCH) - STEP-DOWN (BUCK) CONTROLLER | SOT23 Synchronous Buck Controller |
| LM1771 | Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation | CONTROLLER (EXTERNAL SWITCH) - STEP-DOWN (BUCK) CONTROLLER | Synchronous Buck Controller With Precision Enable |
| LM2743 | Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller | CONTROLLER (EXTERNAL SWITCH) - STEP-DOWN (BUCK) CONTROLLER | Synchronous Buck Controller With Vin Up To 16V |
| LM2743-Q1 | Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller | CONTROLLER (EXTERNAL SWITCH) - STEP-DOWN (BUCK) CONTROLLER | Synchronous Buck Controller With Vin Up To 16V |
Technical Documents
Datasheet (1)
| Title | Type | Size (KB) | Date | Views |
|---|---|---|---|---|
| 1603 | 04 Apr 2013 |
Application Notes (3)
| Title | Abstract | Type | Size (KB) | Date | Views |
|---|---|---|---|---|---|
| 53 | 06 May 2013 | 294 | |||
| 153 | 06 May 2013 | 1,100 | |||
| 295 | 02 Feb 2010 | 568 |
External Articles (2)
| Title | Date |
|---|---|
| Error amplifier limitations in high-performance regulator applications | 11 Apr 2012 |
| Voltage-Mode Control and Compensation: Intricacies for Buck Regulators | 24 Jan 2012 |
Tools & Software
Design Kits & Evaluation Modules (2)
| Name | Part# | Type |
|---|---|---|
| N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages | LM3743-300EVAL | Evaluation Modules & Boards |
| N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages | LM3743-1000EVAL | Evaluation Modules & Boards |
Development Tools (1)
| Name | Part# | Type |
|---|---|---|
| Power Stage Designer of Most Commonly Used Switchmode Power Supplies | POWERSTAGE-DESIGNER | Circuit Design & Simulation |
Support & Community
TI E2E™ Community
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Training & Events
| Name | Type | Available During |
|---|---|---|
| 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 |
| Digital Power Supply Design Workshop | In-Person | 18 Jun 2013 - 20 Jun 2013 |
| Optimizing Efficiency of Switching Mode Chargers | Recorded Content | On Demand |
See More Training & Events