Product Summary

The TPS62054DGS is a high-efficiency synchronous step-down dc/dc converter ideally suited for systems powered from a 1-cell or 2-cell Li-Ion battery or from a 3-cell to 5-cell NiCd, NiMH, or alkaline battery. The TPS62054DGS is a synchronous PWM converter within tegrated N-channel and P-channel power MOSFET switches. The applications of the TPS62054DGS include Cellular Phones, Organizers, PDAs, and Handheld PCs, Low Power DSP Supply, Digital Cameras and Hard Disks.

Parametrics

TPS62054DGS absolute maximum ratings: (1)Supply voltage, VI: -0.3 V to 11 V; (2)Voltage at EN, SYNC: -0.3 V to VI; (3)Voltage at LBI, FB, LBO, PG: -0.3 V to 7 V; (4)Voltage at SW: -0.3 V to 11 V ; (5)Output current, IO: 850 mA; (6)Maximum junction temperature, TJ: 150℃; (7)Operating free-air temperature range, TA: -40℃ to 85℃; (8)Storage temperature range, Tstg: -65℃ to 150℃; (9)Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: 300℃.

Features

TPS62054DGS features: (1)High-Efficiency Synchronous Step-Down Converter With up to 95% Efficiency; (2)12-μA Quiescent Current (Typ); (3)2.7-V to 10-V Operating Input Voltage Range; (4)Adjustable Output Voltage Range From 0.7 V to 6 V; (5)Fixed Output Voltage Options Available in 1.5 V, 1.8 V, and 3.3V; (6)Synchronizable to External Clock Signal up to 1.2 MHz; (7)High Efficiency Over a Wide Load Current Range in Power-Save Mode; (8)100% Maximum Duty Cycle for Lowest dropout; (9)Low Noise Operation in Forced Fixed Frequency PWM Operation Mode; (10)Internal Softstart; (11)Overtemperature and Overcurrent Protected; (12)Available in 10-Pin Microsmall Outline Package MSOP.

Diagrams

TPS62054DGS block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
TPS62054DGS
TPS62054DGS

Texas Instruments

DC/DC Switching Regulators 1.8V Out 800mA Step-Down Converter

Data Sheet

0-1: $1.82
1-25: $1.66
25-100: $1.50
100-250: $1.38
TPS62054DGSG4
TPS62054DGSG4

Texas Instruments

DC/DC Switching Regulators 1.8V Out 800mA Step-Down Converter

Data Sheet

0-1: $1.82
1-25: $1.66
25-100: $1.50
100-250: $1.38
TPS62054DGSR
TPS62054DGSR

Texas Instruments

DC/DC Switching Regulators 1.8V Out 800mA Step-Down Converter

Data Sheet

0-1860: $0.89
1860-2000: $0.86
2000-2500: $0.86
2500-5000: $0.83
TPS62054DGSRG4
TPS62054DGSRG4

Texas Instruments

DC/DC Switching Regulators 1.8V Out 800mA Step-Down Converter

Data Sheet

0-1860: $0.89
1860-2000: $0.86
2000-2500: $0.86
2500-5000: $0.83