TS4962 datasheet(12/22 Pages) STMICROELECTRONICS

12 / 22 page

TS4962

Electrical Characteristics

12/22

Figure 10. Efficiency vs output power

Figure 11. Efficiency vs output power

Figure 12. Output power vs power supply

voltage

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

100

150

Vcc=5V

RL=8

Ω + ≥ 15µH

F=1kHz

THD+N

≤1%

Power

Dissipation

Efficiency

Output Power (W)

0.0

0.1

0.2

0.3

0.4

0.5

100

Vcc=3V

RL=8

Ω + ≥ 15µH

F=1kHz

THD+N

≤1%

Power

Dissipation

Efficiency

Output Power (W)

2.5

3.0

3.5

4.0

4.5

5.0

5.5

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

THD+N=10%

RL = 4

Ω + ≥ 15µH

F = 1kHz

BW < 30kHz

Tamb = 25

°C

THD+N=1%

Vcc (V)

Figure 13. Output power vs power supply

voltage

Figure 14. PSRR vs frequency

Figure 15. PSRR vs frequency

2.5

3.0

3.5

4.0

4.5

5.0

5.5

0.0

0.5

1.0

1.5

2.0

THD+N=10%

RL = 8

Ω + ≥ 15µH

F = 1kHz

BW < 30kHz

Tamb = 25

°C

THD+N=1%

Vcc (V)

100

1000

10000

-80

-70

-60

-50

-40

-30

-20

-10

Vcc=5V, 3.6V, 2.5V

20k

Vripple = 200mVpp

Inputs = Grounded

G = 6dB, Cin = 4.7

µF

RL = 4

Ω + 15µH

∆R/R≤0.1%

Tamb = 25

°C

Frequency (Hz)

100

1000

10000

-80

-70

-60

-50

-40

-30

-20

-10

Vcc=5V, 3.6V, 2.5V

20k

Vripple = 200mVpp

Inputs = Grounded

G = 6dB, Cin = 4.7

µF

RL = 4

Ω + 30µH

∆R/R≤0.1%

Tamb = 25

°C

Frequency (Hz)

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