UC3843
(ACTIVE) Current-Mode PWM Controller

Description &
Features
 Sample &
Buy
 Technical
Documents
 Tools &
Software
 Support & Community
Current-Mode PWM Controller - UC3843

Datasheet


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
UC3843D ACTIVE 0 to 70 0.48 | 1ku SOIC (D) | 14 View 50 | TUBE >5K 1k quantity lead time: In stock
UC3843D8 ACTIVE 0 to 70 0.48 | 1ku SOIC (D) | 8 View 75 | TUBE >5K 1k quantity lead time: In stock
UC3843D8G4 ACTIVE 0 to 70 0.48 | 1ku SOIC (D) | 8 View 75 | TUBE 951 Typical lead time for 1k quantity: 4 to 8 weeks
Not Available
UC3843D8TR ACTIVE 0 to 70 0.40 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
UC3843D8TRG4 ACTIVE 0 to 70 0.40 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R 1K - 5K 1k quantity lead time: In stock
UC3843DG4 ACTIVE 0 to 70 0.48 | 1ku SOIC (D) | 14 View 50 | TUBE 1K - 5K Typical lead time for 1k quantity: 4 to 8 weeks
Not Available Contact Distributor UC3843DTR ACTIVE 0 to 70 0.40 | 1ku SOIC (D) | 14 View 2500 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Not Available Contact Distributor UC3843DTRG4 ACTIVE 0 to 70 0.40 | 1ku SOIC (D) | 14 View 2500 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
UC3843N ACTIVE 0 to 70 0.48 | 1ku PDIP (P) | 8 View 50 | TUBE >5K 1k quantity lead time: In stock
UC3843NG4 ACTIVE 0 to 70 0.48 | 1ku PDIP (P) | 8 View 50 | TUBE 905 Typical lead time for 1k quantity: 4 to 8 weeks
Not Available Not Available UC3843QTR OBSOLETE 0 to 70 Contact Distributor PLCC (FN) | 20     No Stock 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
UCC28700   Constant-Voltage, Constant-Current PWM With Primary-Side Regulation   AC/DC AND ISOLATED DC/DC POWER SUPPLY - PWM AND RESONANT CONTROLLER   The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.  Next Generation Current Mode PWM with Primary-Side Regulation for Flyback  
UCC28710   Constant-Voltage, Constant-Current PWM Controller with Primary-Side Regulation   AC/DC AND ISOLATED DC/DC POWER SUPPLY - PWM AND RESONANT CONTROLLER   The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.  Next Generation Current Mode PWM with Primary-Side Regulation for Flyback  

Technical Documents

Datasheet (1)

Title Type Size (KB) Date Views
PDF 723 14 Jun 2007

Tools & Software

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

TI E2E Community

As a member of my.TI you can join the TI E2E™ Community where you can ask questions, share ideas and collaborate with fellow engineers and TI experts

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  


See More Training & Events
Click Here