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LTC3526LB Datasheet

LTC3526LB Datasheet

550mA 1MHz Synchronous Step-Up DC/DC Converters in 2mm × 2mm DFN
Part No.: LTC3526LB
Page: 16 Pages
Size: 344 KB
Manufacturer: Linear Technology
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Views: 0
Update Time: 2025-04-03 16:27:44
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LTC3526LB Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTC3526LBEDC#TRPBF Reel 2500 LCST 1 6 -40°C ~ 85°C 6-Lead (2mm × 2mm) Plastic DFN  
LTC3526LBEDC#TRMPBF Reel 500 LCST 1 6 -40°C ~ 85°C 6-Lead (2mm × 2mm) Plastic DFN  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTC3526LB Datasheet(PDF)

LTC3526LB Datasheet(Picture)

LTC3526LB Features

  • Delivers 3.3V at 100mA from a Single Alkaline/NiMH Cell or 3.3V at 200mA from Two Cells
  • VIN Start-Up Voltage: 680mV
  • 1.5V to 5.25V VOUT Range
  • Up to 94% Efficiency
  • Output Disconnect
  • 1MHz Fixed Frequency Operation
  • VIN > VOUT Operation
  • Integrated Soft-Start
  • Current Mode Control with Internal Compensation
  • Low Noise PWM Operation (LT3526LB)
  • Internal Synchronous Rectifier
  • Logic Controlled Shutdown (IQ < 1μA)
  • Anti-Ring Control
  • Low Profile (2mm × 2mm × 0.75mm) DFN-6 Package

LTC3526LB Applications

  • Medical Instruments
  • Noise Canceling Headphones
  • Wireless Mice
  • Bluetooth Headsets

LTC3526LB Description

The LTC3526LB are synchronous, fixed frequency step-up DC/DC converters with output disconnect. Synchronous rectification enables high efficiency in the low profile 2mm × 2mm DFN package. Battery life in single AAA powered products is extended further with a 680mV start-up voltage and operation down to 500mV once started.

A switching frequency of 1MHz minimizes solution footprint by allowing the use of tiny, low profile inductors and ceramic capacitors. The current mode PWM design is internally compensated, reducing external parts count. The LTC3526LB features fixed frequency operation for low noise applications. Anti-ring circuitry reduces EMI by damping the inductor in discontinuous mode. Additional features include a low shutdown current of under 1μA and thermal shutdown.

The LTC3526LB are housed in a 2mm × 2mm × 0.75mm DFN package.

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