TS4990 datasheet(13/33 Pages) STMICROELECTRONICS

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TS4990

Electrical characteristics

Figure 32. Power dissipation vs. Pout

Vcc=3.3V

Figure 33. Power derating curves

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.0

0.1

0.2

0.3

0.4

0.5

0.6

RL=4

RL=8

Vcc=3.3V

F=1kHz

THD+N<1%

RL=16

Output Power (W)

100

125

150

0.0

0.2

0.4

0.6

0.8

1.0

1.2

No Heat sink

Heat sink surface

≈ 100mm

(See demoboard)

Ambiant Temperature ( C)

Figure 34. Clipping voltage vs. power supply

voltage and load resistor

Figure 35. Power dissipation vs. Pout,

Vcc = 2.6 V

2.5

3.0

3.5

4.0

4.5

5.0

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

Tamb = 25

°C

RL = 16

RL = 8

RL = 4

Power supply Voltage (V)

0.0

0.1

0.2

0.3

0.4

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

RL=4

RL=8

Vcc=2.6V

F=1kHz

THD+N<1%

RL=16

Output Power (W)

Figure 36. Clipping voltage vs. power supply

voltage and load resistor Tamb = 25 °C

Figure 37. Current consumption vs. power

supply voltage

2.5

3.0

3.5

4.0

4.5

5.0

0.0

0.1

0.2

0.3

0.4

0.5

0.6

Tamb = 25

°C

RL = 16

RL = 8

RL = 4

Power supply Voltage (V)

012

345

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

No load

Tamb=25

°C

Power Supply Voltage (V)

TS4990 数据表(PDF) 13 Page - STMicroelectronics

TS4990 数据表(HTML) 13 Page - STMicroelectronics

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