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Datasheet
- LP3891 0.8A Fast-Response Ultra Low Dropout Linear Regulators (Rev. D)
(PDF , 1123 KB) 02 Apr 2013 - View All Technical Documents
Device Uses
- DSP Power Supplies
- Server Core and I/O Supplies
- PC Add-in-Cards
- Local Regulators in Set-Top Boxes
- Microcontroller Power Supplies
- High Efficiency Power Supplies
- SMPS Post-Regulators
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 | Not Available | | LP3891EMR-1.2 | ACTIVE | -40 to 125 | 1.25 | 1ku | SO PowerPAD (DDA) | 8 | View | 95 | 285 | For lead times contact TI Authorized Distributor or local TI sales office | | LP3891EMR-1.2/NOPB | ACTIVE | -40 to 125 | 1.25 | 1ku | SO PowerPAD (DDA) | 8 | View | 95 | >5K | 1k quantity lead time: In stock | Not Available | Contact Distributor | LP3891EMR-1.8 | ACTIVE | -40 to 125 | 1.25 | 1ku | SO PowerPAD (DDA) | 8 | View | 95 | No Stock | For lead times contact TI Authorized Distributor or local TI sales office | | LP3891EMR-1.8/NOPB | ACTIVE | -40 to 125 | 1.25 | 1ku | SO PowerPAD (DDA) | 8 | View | 95 | 667 | For lead times contact TI Authorized Distributor or local TI sales office | Not Available | Contact Distributor | LP3891EMRX-1.2 | ACTIVE | -40 to 125 | 1.25 | 1ku | SO PowerPAD (DDA) | 8 | View | 2500 | No Stock | For lead times contact TI Authorized Distributor or local TI sales office | Not Available | | LP3891EMRX-1.2/NOPB | ACTIVE | -40 to 125 | 1.25 | 1ku | SO PowerPAD (DDA) | 8 | View | 2500 | >5K | 1k quantity lead time: In stock | Not Available | | LP3891ES-1.2 | ACTIVE | -40 to 125 | 1.25 | 1ku | DDPAK/TO-263 (KTT) | 5 | View | 45 | 655 | For lead times contact TI Authorized Distributor or local TI sales office | | LP3891ES-1.2/NOPB | ACTIVE | -40 to 125 | 1.25 | 1ku | DDPAK/TO-263 (KTT) | 5 | View | 45 | >5K | 1k quantity lead time: In stock | Not Available | Contact Distributor | LP3891ES-1.5 | ACTIVE | -40 to 125 | 1.25 | 1ku | DDPAK/TO-263 (KTT) | 5 | View | 45 | No Stock | For lead times contact TI Authorized Distributor or local TI sales office | Not Available | | LP3891ES-1.5/NOPB | ACTIVE | -40 to 125 | 1.25 | 1ku | DDPAK/TO-263 (KTT) | 5 | View | 45 | 692 | For lead times contact TI Authorized Distributor or local TI sales office | Not Available | Contact Distributor | LP3891ESX-1.2 | ACTIVE | -40 to 125 | 1.25 | 1ku | DDPAK/TO-263 (KTT) | 5 | View | 500 | No Stock | For lead times contact TI Authorized Distributor or local TI sales office | Not Available | | LP3891ESX-1.2/NOPB | ACTIVE | -40 to 125 | 1.25 | 1ku | DDPAK/TO-263 (KTT) | 5 | View | 500 | >5K | 1k quantity lead time: In stock | Not Available | Contact Distributor | LP3891ESX-1.5 | ACTIVE | -40 to 125 | 1.25 | 1ku | DDPAK/TO-263 (KTT) | 5 | View | 500 | No Stock | For lead times contact TI Authorized Distributor or local TI sales office | Not Available | | LP3891ESX-1.5/NOPB | ACTIVE | -40 to 125 | 1.25 | 1ku | DDPAK/TO-263 (KTT) | 5 | View | 500 | 975 | 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 |
|---|---|---|---|
| LP3881 | 0.8A Fast-Response Ultra Low Dropout Linear Regulators | LINEAR REGULATOR (LDO) - SINGLE CHANNEL LDO | Has Less Than Half The Dropout Voltage |
| LP38841 | 0.8A Ultra Low Dropout Linear Regulators | LINEAR REGULATOR (LDO) - SINGLE CHANNEL LDO | Vout Down To 0.56V, Vin Down To 1.05V |
| LP3892 | 1.5A Fast-Response Ultra Low Dropout Linear Regulators | LINEAR REGULATOR (LDO) - SINGLE CHANNEL LDO | 1.5A Version |
Technical Documents
Datasheet (1)
| Title | Type | Size (KB) | Date | Views |
|---|---|---|---|---|
| 1123 | 02 Apr 2013 |
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Training & Events
| Name | Type | Available During |
|---|---|---|
| In-depth PFC Design Workshop sponsored by Biricha Digital Power Ltd. | In-Person | 30 Apr 2013 - 02 May 2013 |
| Power Fundamentals: Linear Regulator Fundamentals - NPN | Recorded Content | On Demand |
| Power Fundamentals: Buck Regulator Architectures - Current/Emulated Current Mode Buck Regulators | Recorded Content | On Demand |
| Power Fundamentals: Buck Regulator Architectures - COT Buck Regulators | Recorded Content | On Demand |
| Power Fundamentals: Buck Regulator Architectures - Hysteretic Buck Regulators | Recorded Content | On Demand |
See More Training & Events