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LTC3526B - 500mA 1MHz Synchronous Step-Up DC/DC Converters

General Description

The LTC®3526/LTC3526B 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.

Key Features

  • n Delivers 3.3V at 100mA from a Single Alkaline/ NiMH Cell or 3.3V at 200mA from Two Cells n VIN Start-Up Voltage: 850mV n 1.6V to 5.25V VOUT Range n Up to 94% Efficiency n Output Disconnect n 1MHz Fixed Frequency Operation n VIN > VOUT Operation n Integrated Soft-Start n Current Mode Control with Internal Compensation n Automatic Burst Mode® Operation with 9µA Quiescent Current (LTC3526) n Low Noise PWM Operation (LTC3526B) n Internal Synchronous Rectifier n Logic Controlled Shutdown (IQ < 1µA).

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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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NOT RECOMMENDED FOR NEW DESIGNS Contact Linear Technology for Potential Replacement LTC3526/LTC3526B 500mA 1MHz Synchronous Step-Up DC/DC Converters in 2mm × 2mm DFN Features n Delivers 3.3V at 100mA from a Single Alkaline/ NiMH Cell or 3.3V at 200mA from Two Cells n VIN Start-Up Voltage: 850mV n 1.6V to 5.25V VOUT Range n Up to 94% Efficiency n Output Disconnect n 1MHz Fixed Frequency Operation n VIN > VOUT Operation n Integrated Soft-Start n Current Mode Control with Internal Compensation n Automatic Burst Mode® Operation with 9µA Quiescent Current (LTC3526) n Low Noise PWM Operation (LTC3526B) n Internal Synchronous Rectifier n Logic Controlled Shutdown (IQ < 1µA) n Anti-Ringing Control n Low Profile (2mm × 2mm × 0.