Product Summary

The TPS62046DGQR is a high efficiency synchronous step-down dc-dc converter optimized for battery powered portable applications. The device is ideal for portable applications powered by a single Li-Ion battery cell or by 3-cell NiMH/NiCd batteries. With an output voltage range from 6.0 V down to 0.7 V, the device supports low voltage DSPs and processors in PDAs, pocket PCs, as well as notebooks and subnotebook computers. The applications of the TPS62046DGQR include PDA, Pocket PC and Smart Phones, USB Powered Modems, CPUs and DSPs, PC Cards and Notebooks, xDSL Applications, Standard 5-V to 3.3-V Conversion.

Parametrics

TPS62046DGQR absolute maximum ratings: (1)Supply voltage VIN(2): -0.3 V to 7 V; (2)Voltages on EN, MODE, FB, SW(2): -0.3 V to VCC +0.3 V; (3)Continuous power dissipation: See Dissipation Rating Table; (4)Operating junction temperature range: -40℃ to 150℃; (5)Storage temperature range: -65℃ to 150℃; (6)Lead temperature (soldering, 10 sec): 260℃.

Features

TPS62046DGQR features: (1)to 95% Conversion Efficiency; (2)Typical Quiescent Current: 18 μA; (3)Load Current: 1.2 A; (4)Operating Input Voltage Range: 2.5 V to 6.0 V; (5)Switching Frequency: 1.25 MHz; (6)Adjustable and Fixed Output Voltage; (7)Power Save Mode Operation at Light load Currents; (8)100% Duty Cycle for Lowest Dropout; (9)Internal Softstart; (10)Dynamic Output Voltage Positioning; (11)Thermal ShutdownD Short-Circuit Protection; (12)10 Pin MSOP PowerPad Package; (13)10 Pin QFN 3 X 3 mm Package.

Diagrams

TPS62046DGQR block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
TPS62046DGQR
TPS62046DGQR

Texas Instruments

DC/DC Switching Regulators 3.3V Out/1.2A Hi-Eff Step-Down Converter

Data Sheet

0-1: $2.10
1-25: $1.72
25-100: $1.55
100-250: $1.43
TPS62046DGQRG4
TPS62046DGQRG4

Texas Instruments

DC/DC Switching Regulators 3.3V Out/1.2A Hi-Eff Step-Down Converter

Data Sheet

0-1860: $1.13
1860-2000: $1.09
2000-2500: $1.09
2500-5000: $1.05