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Datasheet
- LM3489/LM3489Q Hysteretic PFET Buck Controller with Enable Pin (Rev. B)
(PDF , 1028 KB) 20 Feb 2013 - View All Technical Documents
Device Uses
- Set-Top Box
- DSL or Cable Modem
- PC/IA
- Auto PC
- TFT Monitor
- Battery Powered Portable Applications
- Distributed Power Systems
- Always On Power
- High Power LED Driver
- Automotive
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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 | | LM3489MM | ACTIVE | -40 to 125 | 0.54 | 1ku | VSSOP (DGK) | 8 | View | 1000 | SMALL T&R | 1K - 5K | 1k quantity lead time: In stock | | LM3489MM/NOPB | ACTIVE | -40 to 125 | 0.54 | 1ku | VSSOP (DGK) | 8 | View | 1000 | SMALL T&R | >5K | 1k quantity lead time: In stock | Not Available | Contact Distributor | LM3489MMX | ACTIVE | -40 to 125 | 0.54 | 1ku | VSSOP (DGK) | 8 | View | 3500 | LARGE T&R | No Stock | For lead times contact TI Authorized Distributor or local TI sales office | Not Available | | LM3489MMX/NOPB | ACTIVE | -40 to 125 | 0.54 | 1ku | VSSOP (DGK) | 8 | View | 3500 | LARGE T&R | >5K | 1k quantity lead time: In stock |
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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 |
|---|---|---|---|
| LM25574 | SIMPLE SWITCHER® 42V, 0.5A Step-Down Switching Regulator | CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER | Integrated 42V 0.5A Buck Regulator |
| LM25574-Q1 | SIMPLE SWITCHER® 42V, 0.5A Step-Down Switching Regulator | CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER | Integrated 42V 0.5A Buck Regulator |
| LM25575 | SIMPLE SWITCHER® 42V, 1.5A Step-Down Switching Regulator | CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER | Integrated 42V 1.5A Buck Regulator |
| LM25575-Q1 | SIMPLE SWITCHER® 42V, 1.5A Step-Down Switching Regulator | CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER | Integrated 42V 1.5A Buck Regulator |
| LM25576 | SIMPLE SWITCHER® 42V, 3A Step-Down Switching Regulator | CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER | Integrated 42V 3A Buck Regulator |
| LM25576-Q1 | SIMPLE SWITCHER® 42V, 3A Step-Down Switching Regulator | CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER | Integrated 42V 3A Buck Regulator |
| LM3489-Q1 | Hysteretic PFET Buck Controller with Enable Pin | CONTROLLER (EXTERNAL SWITCH) - STEP-DOWN (BUCK) CONTROLLER | The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. |
Technical Documents
Datasheet (1)
| Title | Type | Size (KB) | Date | Views |
|---|---|---|---|---|
| 1028 | 20 Feb 2013 |
Tools & Software
Design Kits & Evaluation Modules (1)
| Name | Part# | Type |
|---|---|---|
| Hysteretic PFET Buck Controller with Enable Pin | LM3489EVAL | Evaluation Modules & Boards |
Development Tools (1)
| Name | Part# | Type |
|---|---|---|
| Power Stage Designer of Most Commonly Used Switchmode Power Supplies | POWERSTAGE-DESIGNER | Circuit Design & Simulation |
Reference Designs (2)
| Description | Part # | Company |
|---|---|---|
| Non sync buck Hysteretic Controller for 9-18V input and 8V,3A output | PMP7771 | Texas Instruments |
| Non sync buck hysteretic converter with 4.5 to 25V input and 3.3V @ 100mA output | PMP7774 | Texas Instruments |
Support & 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