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TPS62054, TPS62054DGS800MA, TPS62054DGSG4

Table of contents:
Info of TPS62054
Info of TPS62054DGS800MA
Info of TPS62054DGSG4

TPS62054, TPS62054DGS800MA, TPS62054DGSG4 Selling Leads, Datasheet

MFG:Texas Instruments Category:Integrated Circuits (ICs) Package Cooled:06+ D/C:O

TPS62054, TPS62054DGS800MA, TPS62054DGSG4 Datasheet download

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Part Number: TPS62054DGSG4

Category: Integrated Circuits (ICs)

MFG: Texas Instruments

Package Cooled: 06+

D/C: O

Description: IC HI-EFF STEP-DOWN CONV 10-MSOP

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TPS62054 General Description

The TPS6205x devices are a family of high-efficiency synchronous step-down dc/dc converters 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 TPS62050 is a synchronous PWM converter with integrated N-channel and P-channel power MOSFET switches. Synchronous rectification increases efficiency and reduces external component count. To achieve highest efficiency over a wide load current range, the converter enters a power-saving pulse-frequency modulation (PFM) mode at light load currents. Operating frequency is typically 850 kHz, allowing the use of small inductor and capacitor values. The device can be synchronized to an external clock signal in the range of 600 kHz to 1.2 MHz. For low noise operation, the converter can be programmed into forced-fixed frequency in PWM mode. In shutdown mode, the current consumption is reduced to less than 2 µA. The TPS6205x is available in the 10-pin (DGS) micro-small outline package (MSOP) and operates over an free air temperature range of -40°C to 85°C.

TPS62054 Maximum Ratings

	TPS6205x
Supply voltage, V_I	-0.3 V to 11 V
Voltage at EN, SYNC	-0.3 V to V_I
Voltage at LBI, FB, LBO, PG	-0.3 V to 7 V
Voltage at SW	-0.3 V to 11 V (2)
Output current, I_O	850 mA
Maximum junction temperature, T_J	150°C
Operating free-air temperature range, T_A	-40°C to 85°C
Storage temperature range, T_stg	-65°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds	300°C

TPS62054 Features

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

TPS62054 Typical Application

• Cellular Phones
• Organizers, PDAs, and Handheld PCs
• Low Power DSP Supply
• Digital Cameras and Hard Disks
TYPICAL APPLICATION CIRCUIT

TPS62054 Connection Diagram

TPS62054DGSG4 Parameters

Technical/Catalog Information	TPS62054DGSG4
Vendor	Texas Instruments
Category	Integrated Circuits (ICs)
Type	Step-Down (Buck)
Number of Outputs	1
Voltage - Input	2.7 ~ 10 V
Voltage - Output	1.8V
Current - Output	800mA
Power - Output	555mW
Package / Case	10-MSOP, Micro10?, 10-uMAX, 10-uSOP
Packaging	Tube
Internal Switch(s)	Yes
Synchronous	Yes
Rds (On)	300 mOhm (N-Chan), 400 mOhm (P-Chan)
Operating Temperature	-40°C ~ 85°C
Frequency - Switching	850kHz
Drawing Number	296; 4073272; DGS; 10
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	TPS62054DGSG4 TPS62054DGSG4

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