Power Management Switching Regulator Step-Down (Buck) Regulators High Input Voltage Buck
Power Management Switching Regulator Step-Down (Buck) Regulators Micropower Buck Regulators
 Power Management Switching Regulator Step-Down (Buck) Regulators Internal Power Switch Buck
 Space & Harsh Environment Extended Temperature Plastic (H & MP) Extended Temperature (H & MP) Switching Regulators

Purchase Cart Summary

Select Part Numbers and Quantities

Add to cart to buy direct from Linear Technology, or contact your local sales office or authorized distributor

For complete documentation, view the LT3689 page

Part Number* Description Package Pins Price (1-99) Price (100+) QTY
LT3689EMSE-5#PBF 800mA Step-Down Regulator with Power-On Reset and Watchdog Timer MSOP 16 $4.64 $3.95
LT3689EMSE-5#TRPBF 800mA Step-Down Regulator with Power-On Reset and Watchdog Timer MSOP 16
LT3689EMSE#PBF 36V, 800mA, 2.2MHz, uPwr Step Down Regulator with Reset & watchdog timer in QFN MSOP 16 $4.64 $3.95
LT3689EMSE#TRPBF 36V, 800mA, 2.2MHz, uPwr Step Down Regulator with Reset & watchdog timer in MSOP-16 MSOP 16
LT3689EUD-5#PBF 800mA Step-Down Regulator with Power-On Reset and Watchdog Timer QFN 16 $4.57 $3.89
LT3689EUD-5#TRPBF 800mA Step-Down Regulator with Power-On Reset and Watchdog Timer QFN 16
LT3689EUD#PBF 36V, 800mA, 2.2MHz, uPwr Step Down Regulator with Reset & watchdog timer in QFN QFN 16 $4.57 $3.89
LT3689EUD#TRPBF 36V, 800mA, 2.2MHz, uPwr Step Down Regulator with Reset & watchdog timer in QFN QFN 16
LT3689HMSE-5#PBF 800mA Step-Down Regulator with Power-On Reset and Watchdog Timer MSOP 16 $5.51 $4.69
LT3689HMSE-5#TRPBF 800mA Step-Down Regulator with Power-On Reset and Watchdog Timer MSOP 16
LT3689HMSE#PBF 36V, 800mA, 2.2MHz, uPwr Step Down Regulator with Reset & watchdog timer in QFN MSOP 16 $5.51 $4.69
LT3689HMSE#TRPBF 36V, 800mA, 2.2MHz, uPwr Step Down Regulator with Reset & watchdog timer in QFN MSOP 16
LT3689IMSE-5#PBF 800mA Step-Down Regulator with Power-On Reset and Watchdog Timer MSOP 16 $5.16 $4.38
LT3689IMSE-5#TRPBF 800mA Step-Down Regulator with Power-On Reset and Watchdog Timer MSOP 16
LT3689IMSE#PBF 36V, 800mA, 2.2MHz, uPwr Step Down Regulator with Reset & watchdog timer in QFN MSOP 16 $5.16 $4.38
LT3689IMSE#TRPBF 36V, 800mA, 2.2MHz, uPwr Step Down Regulator with Reset & watchdog timer in QFN MSOP 16
LT3689IUD-5#PBF 800mA Step-Down Regulator with Power-On Reset and Watchdog Timer QFN 16 $5.09 $4.32
LT3689IUD-5#TRPBF 800mA Step-Down Regulator with Power-On Reset and Watchdog Timer QFN 16
LT3689IUD#PBF 36V, 800mA, 2.2MHz, uPwr Step Down Regulator with Reset & watchdog timer in QFN QFN 16 $5.09 $4.32
LT3689IUD#TRPBF 36V, 800mA, 2.2MHz, uPwr Step Down Regulator with Reset & watchdog timer in QFN QFN 16

Demo Boards

Part Number* Description Price (1-99) QTY
DC1312A LT3689EUD Demo Board | 4.5V ≤ VIN ≤ 36V (60V Transients), VOUT = 3.3V @ 700mA, 1 Contact Factory

* When ordering part numbers ending in #TR or #TRM for quantities less than (or not an even multiple of) a full reel, parts will be shipped in bulk or cut tape