TPS549D22RVFT datasheet(9/63 Pages) TI1

No de pièce	TPS549D22RVFT

Description	1.5-V to 16-V VIN, 4.5-V to 22-V VDD, 40-A SWIFT Synchronous Step-Down Converter with Full Differential Sense and PMBus

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Fabricant	TI1 [Texas Instruments]

Site Internet	http://www.ti.com

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9 / 63 page

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VIN = 8 V

VIN = 12 V

VIN = 16 V

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VIN = 12 V

VIN = 16 V

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VIN = 1.5 V

VIN = 12 V

VIN = 16 V

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VIN = 1.5 V

VIN = 12 V

VIN = 16 V

9

TPS549D22

www.ti.com

SLUSCI9 – AUGUST 2016

Product Folder Links: TPS549D22

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6.6 Typical Characteristics

VOUT = 1 V

SKIP Mode

fSW = 650 kHz

VDD = 5 V

Figure 1. Efficiency vs. Output Current

VOUT = 1 V

FCCM

fSW = 650 kHz

VDD = 5 V

Figure 2. Efficiency vs. Output Current

VOUT = 5.5 V

SKIP Mode

fSW = 425 kHz

VDD = 5 V

Figure 3. Efficiency vs. Output Current

VOUT = 5.5 V

FCCM

fSW = 425 kHz

VDD = 5 V

Figure 4. Efficiency vs. Output Current

VIN = 12 V

fSW = 650 kHz

IOUT = 40 A

VOUT = 1 V

Natural convection

Figure 5. Thermal Image

VIN = 12 V

fSW = 650 kHz

IOUT = 40 A

VOUT = 1 V

Airflow = 200 LFM

Figure 6. Thermal Image

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Texas Instruments	TPS549B22	5Mb / 68P	[Old version datasheet] 1.5-V to 18-V VIN, 4.5-V to 22-V VDD, 25-A SWIFT Synchronous Step-Down Converter With Full Differential Sense and PMBus
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	TPS54620	2Mb / 46P	[Old version datasheet] 4.5-V to 17-V Input, 6-A Synchronous Step Down SWIFT Converter
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