TPS65253RHD datasheet(10/24 Pages) TI1

No. de pieza	TPS65253RHD

Descripción Electrónicos	4.5-V TO 16-V INPUT, HIGH CURRENT, SYNCHRONOUS STEP DOWN DUAL BUCK

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Fabricante Electrónico	TI1 [Texas Instruments]

Página de inicio	http://www.ti.com

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10 / 24 page

0.01

0.02

0.03

0.04

0

1

2

3

4

Output Current (A)

1.2V

3.3V

5V

0.01

0.02

0.03

0.04

0

1

2

3

Output Current (A)

1.2V

3.3V

5V

1.175

1.2

1.225

0

1

2

3

4

Output Current (A)

Buck1,-40°C

Buck1,25°C

Buck1,85°C

Buck2,-40°C

Buck2,25°C

Buck2,85°C

1.76

1.78

1.8

1.82

0

1

2

3

4

Output Current (A)

Buck1,-40°C

Buck1,25 C

°

Buck1,85 C

°

Buck2,-40 C

°

Buck2,25 C

°

Buck2,85 C

°

3.3

3.35

3.4

0

1

2

3

4

Output Current (A)

Buck1,-40°C

Buck1,25 C

°

Buck1,85 C

°

Buck2,-40 C

°

Buck2,25 C

°

Buck2,85 C

°

4.9

4.95

5

5.05

5.1

0

1

2

3

4

Output Current (A)

Buck1,-40°C

Buck1,25 C

°

Buck1,85 C

°

Buck2,-40 C

°

Buck2,25 C

°

Buck2,85 C

°

TPS65253

SLVSAW8

– JUNE 2011

www.ti.com

TYPICAL CHARACTERISTICS (continued)

VIN = 12 V, fSW = 500 kHz, LO = 2.2 µH, DCR = 15 mΩ, CO = 44 µF (unless otherwise specified)

Buck 1 Output Ripple

Buck 2 Output Ripple

vs

VOUT

Figure 7.

Figure 8.

Output Voltage (1.2 V)

Output Voltage (1.8 V)

vs

TA

Figure 9.

Figure 10.

Output Voltage (3.3 V)

Output Voltage (5 V)

vs

TA

Figure 11.

Figure 12.

10

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