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TPS61261

Texas Instruments
Part Number TPS61261
Manufacturer Texas Instruments
Description 0.8-V Input Synchronous Boost Converters
Published Dec 16, 2019
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community TPS61260, TPS61261 SLVSA99C – MAY...
Datasheet PDF File TPS61261 PDF File

TPS61261
TPS61261

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community TPS61260, TPS61261 SLVSA99C – MAY 2011 – REVISED APRIL 2018 TPS6126x 0.
8-V Input Synchronous Boost Converters with 100-mA Output Current 1 Features •1 Input Voltage Range from 0.
8 V to 4.
0 V • Up to 95% Efficiency • 100 mA Output Current at 3.
3 Vout (VIN > 1 V) • Fixed and Adjustable Output Voltage Options from 1.
8 V to 4.
0 V • Programmable Average Output Current from 10 mA to 100 mA • Adjustable Output Current Limit for Smallest Inductor • Power Save Mode for Improved Efficiency at Low Output Power • 29-µA Quiescent Current • Advanced Softstart • Quasi Fixed Frequency Operation at 2.
5 MHz • Output Overvoltage Protection • Load Disconnect During Shutdown • Undervoltage Lockout • Available in a 2.
00 × 2.
00 mm, 6-Pin WSON Package 2 Applications • All Single or Dual Cell Alkaline, NiCd or NiMH Battery Powered Products • High Output Impedance Battery (Coin Cells) Powered Products • Personal Medical Products • LED Driver • Laser Pointer • Wireless Headsets • Industrial Metering Equipment 3 Description The TPS6126x devices provide a power supply solution for products powered by either single or dual cell alkaline, NiCd, or NiMH batteries.
Its unique advanced softstart makes it also suitable for products powered by high output impedance battery types, like coin cells.
Output currents can go as high as 100 mA while using a single cell alkaline battery, and discharge it down to 0.
8 V or lower.
The boost converter is based on a quasi fixed frequency, pulse-width-modulation (PWM) controller using synchronous rectification to obtain maximum efficiency.
At low load currents, the converter enters Power Save Mode to ensure high efficiency over a wide load current range.
The maximum average current in the switches is limited to a programmable value which can go as high as 700 mA.
The output voltage is programmable using an external resistor divider, or is fixed internally on the chip.
In additi...


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