LTC3536
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LTC3536

1A Low Noise, Buck-Boost DC/DC Converter

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LTspice LTC3536 - Buck-Boost Regulators Download 1.88 KB LTspice LTC3536 Demo Circuit - Solar Cell Powered Emergency LED Torch Lighting Driver (1.8-5V to 3.3V @ 300mA) Download 4.00KB LTspice LTC3536 Demo Circuit - Supercapcitor Backup Power Supply (1.8-5V to 3.3V @ 300mA) Download 3.00KB LTspice LTC3536 Demo Circuit - 1A Low Noise, Buck-Boost DC/DC Converter (1.8-5.5V to 3.3V @ 1.0A) Download 3.00KB
Part Models 8
1ku List Price Starting From $3.31
Features
  • Regulated Output with Input Voltage Above, Below or Equal to the Output Voltage
  • 1.8V to 5.5V Input and Output Voltage Range
  • 1A Continuous Output Current for VIN ≥ 3V, VOUT = 3.3V
  • ±1% Output Voltage Accuracy
  • Low Noise Buck-Boost Architecture
  • Up to 95% Efficiency
  • Programmable Frequency from 300kHz to 2MHz
  • Synchronizable Oscillator
  • Burst Mode® Operation: 32μA IQ
  • Internal 1ms Soft-Start
  • Output Disconnect in Shutdown
  • Shutdown Current: 1μA
  • Short-Circuit Protection
  • Small Thermally Enhanced 12-Pin MSOP and 10-Pin (3mm × 3mm) DFN Packages
Additional Details
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The LTC3536 is an extended VIN range, fixed frequency, synchronous buck-boost DC/DC converter that operates from input voltages above, below or equal to the regulated output voltage. The topology incorporated in the LTC3536 provides low noise operation, making it ideal for RF and precision measurement applications.

The device can produce up to 1A of continuous output current, and it includes two N-channel and two P-channel MOSFET switches. Switching frequencies up to 2MHz can be programmed with an external resistor and the oscillator can be synchronized to an external clock. Quiescent current is only 32μA in Burst Mode operation, maximizing battery life in portable applications. Burst Mode operation is user controlled and improves efficiency at light loads.

Other features include a 1μA shutdown current, internal soft-start, overtemperature protection and current limit. The LTC3536 is available in 12-pin thermally enhanced MSOP and 10-pin (3mm × 3mm) DFN packages.

Applications

  • Wireless Inventory Terminals
  • Handheld Medical Instruments
  • Wireless Locators, Microphones
  • Supercapacitor Backup Power Supply
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file View Data Sheet
Documentation View All Documentation
LTspice LTC3536 - Buck-Boost Regulators Download 1.88 KB LTspice LTC3536 Demo Circuit - Solar Cell Powered Emergency LED Torch Lighting Driver (1.8-5V to 3.3V @ 300mA) Download 4.00KB LTspice LTC3536 Demo Circuit - Supercapcitor Backup Power Supply (1.8-5V to 3.3V @ 300mA) Download 3.00KB LTspice LTC3536 Demo Circuit - 1A Low Noise, Buck-Boost DC/DC Converter (1.8-5.5V to 3.3V @ 1.0A) Download 3.00KB
Part Models 8
1ku List Price Starting From $3.31
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LTC3536

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Data Sheet

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UPDATED 03/11/2015
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LTC3536: 1A Low Noise, Buck-Boost DC/DC Converter Data Sheet

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UPDATED 08/03/2012
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LTC3536: 低ノイズ1A昇降圧DC/DCコンバータ データシート

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User Guide

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UPDATED 10/30/2011
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DC1852A - Demo Manual redirect icon

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UPDATED 08/17/2011
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DC1797A - Demo Manual redirect icon

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UPDATED 03/23/2018
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R415 Reliability Data redirect icon

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UPDATED 10/01/2012
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Multiple Power Sources No Problem for 1A, Low Noise Buck-Boost Converter with 1.8V–5.5V Input Voltage Range redirect icon

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UPDATED 10/01/2012
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幅広い電力源に対応する、入力電圧範囲が1.8V～5.5Vの1A低ノイズ昇降圧コンバータ redirect icon

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Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC3536EDD#PBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC3536EDD#TRPBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC3536EMSE#PBF 12-Lead MSOP w/ EP external-link
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LTC3536EMSE#TRPBF 12-Lead MSOP w/ EP external-link
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LTC3536IDD#PBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC3536IDD#TRPBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC3536IMSE#PBF 12-Lead MSOP w/ EP external-link
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LTC3536IMSE#TRPBF 12-Lead MSOP w/ EP external-link
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Feb 4, 2020

- 20_0129

Laser Mark Conversion for 12-Lead MSOP Packages Assembled in ADPG and UTAC

LTC3536EMSE#PBF

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LTC3536EMSE#TRPBF

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Feb 4, 2020

- 20_0129

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Laser Mark Conversion for 12-Lead MSOP Packages Assembled in ADPG and UTAC

LTC3536EMSE#PBF

PRODUCTION

LTC3536EMSE#TRPBF

PRODUCTION

LTC3536IMSE#PBF

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Software & Part Ecosystem

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Evaluation Kits 2

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DC1852A

LTC3536EMSE (MSOP) Demo Board | 1.8V ≤ VIN ≤ 5.5V, VOUT = 3.3V @ 1A

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DC1852A

LTC3536EMSE (MSOP) Demo Board | 1.8V ≤ VIN ≤ 5.5V, VOUT = 3.3V @ 1A

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DC1852A
LTC3536EMSE (MSOP) Demo Board | 1.8V ≤ VIN ≤ 5.5V, VOUT = 3.3V @ 1A
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Product Detail

Demonstration circuit 1852A is a combined step-up and step-down DC/DC converter, using the LTC3536 monolithic synchronous buck-boost regulator in the MSOP package. The DC1852A has wide input voltage range of 1.8V to 5.5V and is capable of delivering up to 1A of output current. The output voltage of the DC1852A can be set as low as 1.8V and can go as high as 5.5V. DC1852A supports two operation modes: fixed-frequency pulse-width modulation (PWM) and Burst Mode® operation.


 


Resources

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PDF

DC1852A - Schematic Download

39.00K

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ZIP

DC1852A - Design Files Download

683.00K

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DC1852A - Demo Manual Download

165.00K

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DC1797A

LTC3536EDD (DFN) Demo Board | 1.8V ≤ VIN ≤ 5.5V, VOUT = 3.3V @ 1A

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DC1797A

LTC3536EDD (DFN) Demo Board | 1.8V ≤ VIN ≤ 5.5V, VOUT = 3.3V @ 1A

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DC1797A
LTC3536EDD (DFN) Demo Board | 1.8V ≤ VIN ≤ 5.5V, VOUT = 3.3V @ 1A
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Product Detail

Demonstration circuit 1797A is a combined step-up and step-down DC/DC converter using the LTC3536 monolithic synchronous buck-boost regulator in the 3x3 DFN package. The DC1797A has wide input voltage range of 1.8V to 5.5V, and is capable of delivering up to 1A of output current. The output voltage of the DC1797A can be set as low as 1.8V and can go as high as 5.5V. The DC1797A supports two operational modes: fixed-frequency pulse-width modulation (PWM) and Burst Mode® operation.

Resources

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PDF

DC1797A - Schematic Download

70.00K

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PDF

DC1797A - Demo Manual Download

210.00K

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ZIP

DC1797A - Design Files Download

738.00K

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Evaluation Kits2

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DC1852A

LTC3536EMSE (MSOP) Demo Board | 1.8V ≤ VIN ≤ 5.5V, VOUT = 3.3V @ 1A
evaluation kit item images

DC1797A

LTC3536EDD (DFN) Demo Board | 1.8V ≤ VIN ≤ 5.5V, VOUT = 3.3V @ 1A

Tools & Simulations 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

spice tool Lt Spice

LTC3536 - Buck-Boost Regulators Download

1.88 K

spice tool Lt Spice

LTC3536 Demo Circuit - Solar Cell Powered Emergency LED Torch Lighting Driver (1.8-5V to 3.3V @ 300mA) Download

4.00K

spice tool Lt Spice

LTC3536 Demo Circuit - Supercapcitor Backup Power Supply (1.8-5V to 3.3V @ 300mA) Download

3.00K

spice tool Lt Spice

LTC3536 Demo Circuit - 1A Low Noise, Buck-Boost DC/DC Converter (1.8-5.5V to 3.3V @ 1.0A) Download

3.00K

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