LTC3130 - 25V, 600mA Buck-Boost DC/DC Converter with 1.6µA Quiescent Current


  • Regulates VOUT Above, Below or Equal to VIN
  • Wide VIN Range: 2.4V to 25V (<1V to 25V Using EXTVCC Input)
  • VOUT Range: 1V to 25V
  • Adjustable Output Voltage (LTC3130)
  • Four Selectable Fixed Output Voltages (LTC3130-1)
  • 1.2µA No-Load Input Current in Burst Mode® Operation (VIN = 12V, VOUT = 5V)
  • 600mA Output Current in Buck Mode
  • Pin-Selectable 850mA/450mA Current Limit (LTC3130)
  • Up to 95% Efficiency
  • Pin-Selectable Burst Mode Operation
  • 1.2MHz Ultralow Noise PWM Frequency
  • Accurate RUN Pin Threshold n Power Good Indicator
  • Programmable Maximum Power Point Control
  • IQ = 500nA in Shutdown
  • Thermally-Enhanced 20-Lead 3mm × 4mm QFN and 16-Lead MSOP Packages

Typical Application

LTC3130 Typical Application
LTC3130 Typical Application


The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW.

TheLTC3130/LTC3130-1 employanultralownoise, 1.2MHz PWM architecture that minimizes solution footprint by allowing the use of tiny, lowprofile inductors and ceramic capacitors. Built-in loop compensation and soft-start reduces external parts count and simplifies the design. Features include anaccurateRUNcomparator thresholdto allowpredictable regulatorturn-on and a maximum power point control (MPPC) capability that ensures maximum power extraction from non-ideal sources such as photovoltaic panels. The LTC3130-1 includes an internal voltage divider to provide four selectable fixed output voltages.

Additional features include a power good output, an external VCC input and thermal shutdown.

The LTC3130 and LTC3130-1 are available in thermally-enhanced 20-lead 3mm × 4mm QFN and 16-lead MSOP packages.


CAD Symbols and Footprints: The downloadable Zip file below contains the schematic symbol and PCB footprints.

For complete and up to date package information and drawings, please refer to our packaging page

Part Number Package Code Temp Package
LTC3130EMSE-1#PBF MS-16E MSE E 05-08-1667 Yes
LTC3130EMSE-1#TRPBF MS-16E MSE E 05-08-1667 Yes
LTC3130EMSE#PBF MS-16E MSE E 05-08-1667 Yes
LTC3130EMSE#TRPBF MS-16E MSE E 05-08-1667 Yes
LTC3130EUDC-1#PBF 3x4 QFN-20 UDC E 05-08-1742 Yes
LTC3130EUDC-1#TRPBF 3x4 QFN-20 UDC E 05-08-1742 Yes
LTC3130EUDC#PBF 3x4 QFN-20 UDC E 05-08-1742 Yes
LTC3130EUDC#TRPBF 3x4 QFN-20 UDC E 05-08-1742 Yes
LTC3130IMSE-1#PBF MS-16E MSE I 05-08-1667 Yes
LTC3130IMSE-1#TRPBF MS-16E MSE I 05-08-1667 Yes
LTC3130IMSE#PBF MS-16E MSE I 05-08-1667 Yes
LTC3130IMSE#TRPBF MS-16E MSE I 05-08-1667 Yes
LTC3130IUDC-1#PBF 3x4 QFN-20 UDC I 05-08-1742 Yes
LTC3130IUDC-1#TRPBF 3x4 QFN-20 UDC I 05-08-1742 Yes
LTC3130IUDC#PBF 3x4 QFN-20 UDC I 05-08-1742 Yes
LTC3130IUDC#TRPBF 3x4 QFN-20 UDC I 05-08-1742 Yes

LTC3130 Package Drawing
LTC3130 Package Drawing

Order Info

  • Part numbers ending in PBF are lead free. Solder plated terminal finish (SnPb) versions are non-standard and special terms and conditions and pricing applies if available. Please contact LTC marketing for information.
  • Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectively
  • Please refer to our general ordering information or the product datasheet for more details

Package Variations and Pricing

Part Number Package Temp Price
LTC3130EMSE-1#PBF MS-16E E $4.79 $3.35 Yes
LTC3130EMSE-1#TRPBF MS-16E E $4.85 $3.41 Yes
LTC3130EMSE#PBF MS-16E E $4.79 $3.35 Yes
LTC3130EMSE#TRPBF MS-16E E $4.85 $3.41 Yes
LTC3130EUDC-1#PBF 3x4 QFN-20 E $4.79 $3.35 Yes
LTC3130EUDC-1#TRPBF 3x4 QFN-20 E $4.85 $3.41 Yes
LTC3130EUDC#PBF 3x4 QFN-20 E $4.79 $3.35 Yes
LTC3130EUDC#TRPBF 3x4 QFN-20 E $4.85 $3.41 Yes
LTC3130IMSE-1#PBF MS-16E I $5.29 $3.70 Yes
LTC3130IMSE-1#TRPBF MS-16E I $5.35 $3.76 Yes
LTC3130IMSE#PBF MS-16E I $5.29 $3.70 Yes
LTC3130IMSE#TRPBF MS-16E I $5.35 $3.76 Yes
LTC3130IUDC-1#PBF 3x4 QFN-20 I $5.29 $3.70 Yes
LTC3130IUDC-1#TRPBF 3x4 QFN-20 I $5.35 $3.76 Yes
LTC3130IUDC#PBF 3x4 QFN-20 I $5.29 $3.70 Yes
LTC3130IUDC#TRPBF 3x4 QFN-20 I $5.35 $3.76 Yes
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* The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Linear Technology sales office or authorized distributor.

Demo Boards

Linear Technology offers many demo boards free of charge to qualified customers. Contact your local sales office or distributor to inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application.

Part Number Description Price Documentation
DC2355A LTC3130EUD Demo Board | Sync Buck-Boost, 2.4V ≤ VIN ≤ 25V, Vout = 5V @ 600mA $150.00
DC2397A LTC3130EUD-1 Demo Board | Sync Buck-Boost, 2.4V ≤ VIN ≤ 25V, Vout = 1.8V/3.3V/5V/12V @ 600mA $150.00
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Click here to view our complete list of demo boards


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