Product Summary

The TPS61040 is a high-frequency boost converter dedicated for small to medium LCD bias supply and white LED backlight supplies. The TPS61040 is ideal to generate output voltages up to 28 V from a dual cell NiMH/NiCd or a single cell Li-Ion battery. The part can also be used to generate standard 3.3-V/5-V to 12-V power conversions. The applications of the TPS61040 include LCD Bias Supply, White-LED Supply for LCD Backlights, Digital Still Camera, PDAs, Organizers, and Handheld PCs, Cellular Phones, Internet Audio Player, Standard 3.3-V/5-V to 12-V Conversion.

Parametrics

TPS61040 absolute maximum ratings: (1)Supply voltages on pin VIN: –0.3 V to 7 V; (2)Voltages on pins EN, FB: –0.3 V to VIN + 0.3 V; (3)Switch voltage on pin SW: 30 V; (4)Operating junction temperature: –40℃ to 150℃; (5)Storage temperature: –65℃ to 150℃; (6)Lead temperature (soldering 10 seconds): 260℃.

Features

TPS61040 features: (1)1.8-V to 6-V Input Voltage Range; (2)Adjustable Output Voltage Range up to 28 V; (3)400-mA (TPS61040) and 250-mA (TPS61041) Internal Switch Current; (4)Up to 1-MHz Switching Frequency; (5)28-μA Typical No-Load Quiescent Current; (6)1-μA Typical Shutdown Current; (7)Internal Soft Start; (8)Available in SOT23-5 and 2×2×0.8-mm SON Packages.

Diagrams

TPS61040 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
TPS61040
TPS61040
Other

Data Sheet
Negotiable 
TPS61040DBVRG4
TPS61040DBVRG4
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Data Sheet
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TPS61040DDCT
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Data Sheet
0-1: $1.19
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Data Sheet
0-1: $1.24
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Power Management IC Development Tools TPS61040 Boost Conv Eval Mod
Data Sheet
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TPS61040DBVR
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Data Sheet
0-1: $1.13
1-25: $0.91
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TPS61040QDBVRQ1
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Data Sheet
0-1: $1.36
1-25: $1.10
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TPS61040EVM-001
TPS61040EVM-001
Texas Instruments
Power Management IC Development Tools TPS61040 Boost Conv Eval Mod
Data Sheet
0-1: $33.48