TPS548B22RVFR datasheet(11/45 Pages) TI1

No de pièce	TPS548B22RVFR

Description	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

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Fabricant	TI1 [Texas Instruments]

Site Internet	http://www.ti.com

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Output Current (A)

0

5

10

15

20

25

80%

85%

90%

95%

100%

D007

VIN = 9 V

VIN = 12 V

VIN = 14 V

VIN = 18 V

Output Current (A)

0

5

10

15

20

25

0

1

2

3

4

5

6

D008

VIN = 9 V

VIN = 12 V

VIN = 14 V

VIN = 18 V

11

TPS548B22

www.ti.com

SLUSCE4 – JANUARY 2017

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Typical Characteristics (continued)

VDD = VIN

fSW = 650 kHz

FCCM Mode

VOUT = 5 V

L= 820 nH, 0.9 mΩ

Figure 7. Efficiency vs. Output Current

VDD = VIN = 12 V

fSW = 650 kHz

FCCM Mode

VOUT = 5 V

L= 820 nH, 0.9 mΩ

Figure 8. Power Loss vs. Output Current

VDD = VIN = 12 V

fSW = 650 kHz

Natural convection

at room

temperarure

VOUT = 1 V

IOUT = 25 A

Figure 9. Thermal Image

VDD = VIN = 18 V

fSW = 650 kHz

Natural convection

at Room

Temperature

VOUT = 1 V

IOUT = 25 A

Figure 10. Thermal Image

VDD = VIN = 12 V

fSW = 650 kHz

Natural convection

at Room

Temperature

VOUT = 2.5 V

IOUT = 25 A

Figure 11. Thermal Image

VDD = VIN = 12 V

fSW = 650 kHz

Natural convection

at Room

Temperature

VOUT = 5 V

IOUT = 25 A

Figure 12. Thermal Image

Numéro de pièce similaire - TPS548B22RVFR

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