LP3891
(ACTIVE) 0.8A Fast-Response Ultra Low Dropout Linear Regulators

Description &
Features
 Sample &
Buy
 Technical
Documents
 Tools &
Software
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0.8A Fast-Response Ultra Low Dropout Linear Regulators - LP3891

Datasheet

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 | TUBE 190 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 | TUBE 1K - 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 | TUBE 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 | TUBE 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 | LARGE T&R 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 | TUBE 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 | TUBE 1K - 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 | TUBE 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 | TUBE 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 | LARGE T&R 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 | LARGE T&R >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 | LARGE T&R 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 | LARGE T&R 975 For lead times contact TI Authorized Distributor or local TI sales office

* 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
PDF 1123 02 Apr 2013

Support & Community


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Contents are provided "AS IS" by the respective TI and Community contributors and do not constitute TI specifications. See Terms of Use.

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  
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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