LM2577
(ACTIVE) SIMPLE SWITCHER® Step-Up Voltage Regulator

Description &
Features
Sample &
Buy
Technical
Documents
Tools &
Software
Support & Community

Sample & Buy

Free Samples Buy from Authorized Distributors Part # Status Replaced By Temp (oC) Price | QTY Package | Pins Device Marking Package QTY | Carrier Distributor Inventory TI 1k Lead Time
Not Available Not Available LM2577M-ADJ NRND LM2577N-ADJ/NOPB -40 to 125 3.74 | 1ku SOIC (DW) | 24 View 30 | TUBE No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2577M-ADJ/NOPB ACTIVE   -40 to 125 2.65 | 1ku SOIC (DW) | 24 View 30 | TUBE 425 For lead times contact TI Authorized Distributor or local TI sales office
Not Available Not Available LM2577N-ADJ LIFEBUY LM2577N-ADJ/NOPB -40 to 125 3.18 | 1ku PDIP (NBG) | 16 View 20 | TUBE No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2577N-ADJ/NOPB ACTIVE   -40 to 125 2.65 | 1ku PDIP (NBG) | 16 View 20 | TUBE 1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
LM2577S-12/NOPB ACTIVE   -40 to 125 3.18 | 1ku DDPAK/TO-263 (KTT) | 5 View 45 | TUBE 1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2577S-ADJ NRND LM2577S-ADJ/NOPB -40 to 125 4.37 | 1ku DDPAK/TO-263 (KTT) | 5 View 45 | TUBE 364 For lead times contact TI Authorized Distributor or local TI sales office
LM2577S-ADJ/NOPB ACTIVE   -40 to 125 3.18 | 1ku DDPAK/TO-263 (KTT) | 5 View 45 | TUBE >5K 1k quantity lead time: In stock
Not Available
LM2577SX-12/NOPB ACTIVE   -40 to 125 2.65 | 1ku DDPAK/TO-263 (KTT) | 5 View 500 | LARGE T&R 1K - 5K 1k quantity lead time: In stock
Not Available Not Available LM2577SX-ADJ NRND LM2577SX-ADJ/NOPB -40 to 125 3.74 | 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
LM2577SX-ADJ/NOPB ACTIVE   -40 to 125 2.65 | 1ku DDPAK/TO-263 (KTT) | 5 View 500 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
LM2577T-12 NRND LM2577T-12/NOPB -40 to 125 3.74 | 1ku TO-220 (KC) | 5 View 45 | TUBE 115 For lead times contact TI Authorized Distributor or local TI sales office
Not Available Not Available LM2577T-12/LB03 NRND LM2577T-12/NOPB   3.74 | 1ku TO-220 (NDH) | 5 View 45 | TUBE No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2577T-12/LF03 ACTIVE     2.65 | 1ku TO-220 (NDH) | 5 View 45 | TUBE 90 For lead times contact TI Authorized Distributor or local TI sales office
LM2577T-12/NOPB ACTIVE   -40 to 125 2.65 | 1ku TO-220 (KC) | 5 View 45 | TUBE 667 For lead times contact TI Authorized Distributor or local TI sales office
Not Available Not Available LM2577T-15 NRND LM2577T-15/NOPB -40 to 125 3.74 | 1ku TO-220 (KC) | 5 View 45 | TUBE No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2577T-15/LB03 NRND LM2577T-15/NOPB   3.74 | 1ku TO-220 (NDH) | 5 View 45 | TUBE 999 For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2577T-15/NOPB ACTIVE   -40 to 125 2.65 | 1ku TO-220 (KC) | 5 View 45 | TUBE 1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2577T-ADJ NRND LM2577T-ADJ/NOPB -40 to 125 3.74 | 1ku TO-220 (KC) | 5 View 45 | TUBE 1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
Not Available Not Available LM2577T-ADJ/LB02 NRND LM2577T-ADJ/NOPB   3.74 | 1ku TO-220 (NEB) | 5 View 45 | TUBE No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2577T-ADJ/LB03 NRND LM2577T-ADJ/NOPB   3.74 | 1ku TO-220 (NDH) | 5 View 45 | TUBE 225 For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2577T-ADJ/LF03 ACTIVE     2.65 | 1ku TO-220 (NDH) | 5 View 45 | TUBE 183 For lead times contact TI Authorized Distributor or local TI sales office
LM2577T-ADJ/NOPB ACTIVE   -40 to 125 2.65 | 1ku TO-220 (KC) | 5 View 45 | TUBE >5K 1k quantity lead time: In stock

* 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
PDF 4704 03 Apr 2013

External Articles (1)

Tools & Software

Development Tools (1)

Name Part# Type
Power Stage Designer of Most Commonly Used Switchmode Power Supplies POWERSTAGE-DESIGNER Circuit Design & Simulation

Related End Equipment

  • Simple Boost Regulator
  • Flyback and Forward Regulators
  • Multiple-output Regulator



Support & Community


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Training & Events

Name Type Available During
Survey of Control Topologies for TPS and LM Non-Isolated DC/DC Controllers
This presentation will illustrate and survey each control mode’s operation and switching characteristics.
On-Line Training   On Demand  
Digital Power Supply Design Workshop
Do you want to reduce your development time of digital power supplies or code a digital controller?
Multi-Day Workshops   Tue, 06 May 2014 - Thu, 08 May 2014  
High Current Battery Charger Solutions for Portable Devices
This video is a must see for anyone involved with the design in of a battery charger for a high current portable device.
On-Line Training   On Demand  
Wireless Power Tx Design
If you have difficulty in designing Wireless Power Transmitters, this video will provide you with a lot of tips for doing it.
On-Line Training   On Demand  
PCB Layout Guidelines for Fuel Gauge Design
The pack designer must take care to design the hardware to protect the pack in the conditions where it will be used.
On-Line Training   On Demand  
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