TPS53353_16 datasheet(11/37 Pages) TI1

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100

Output Current (A)

VOUT = 5.0 V

VOUT = 3.3 V

VOUT = 1.8 V

VOUT = 1.5 V

VOUT = 1.2 V

VOUT = 1.1 V

VOUT = 1.0 V

FCCM

VIN = 12 V

VVDD = 5 V

fSW = 300 kHz

G001

100

Output Current (A)

VOUT = 5.0 V

VOUT = 3.3 V

VOUT = 1.8 V

VOUT = 1.5 V

VOUT = 1.2 V

VOUT = 1.1 V

VOUT = 1.0 V

Skip Mode

VIN = 12 V

VVDD = 5 V

fSW = 300 kHz

G000

Output Current (A)

400 LFM

200 LFM

100 LFM

Natural Convection

VIN = 12 V

VOUT = 5 V

fSW = 500 kHz

G000

Time (1 s/div)

IN = 12 V

OUT = 20 A

EN (5 V/div)

OUT (1 V/div)

PGOOD (5 V/div)

Output Current (A)

All Levels of Air Flow

VIN = 12 V

VOUT = 1.2 V

fSW = 500 kHz

G000

TPS53353

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SLUSAK2C – AUGUST 2011 – REVISED FEBRUARY 2016

Product Folder Links: TPS53353

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Typical Characteristics (continued)

Figure 25. Overtemperature Protection Waveforms

Figure 26. Safe Operating Area

Figure 27. Safe Operating Area

For VOUT = 5 V, an SC5026-1R0 inductor is used. For 1 ≤ VOUT ≤ 3.3 V, a PA0513.441 inductor is used

Figure 28. Efficiency vs Output Current

Figure 29. Efficiency vs Output Current

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