LM2931ACT datasheet(6/16 Pages) MOTOROLA

6 / 16 page

LM2931 Series

MOTOROLA ANALOG IC DEVICE DATA

Vin, INPUT VOLTAGE (V)

2.0

4.0

6.0

8.0

–20

–10

RL = 50 Ω

TJ, JUNCTION TEMPERATURE (°C)

–55

–25

100

125

2.0

4.0

6.0

8.0

IO = 100 mA

f, FREQUENCY (Hz)

100

1.0 k

1.0 M

10 M

CO(ESR) = 0.15 Ω

Tantulum

100

IO, OUTPUT CURRENT (mA)

f, FREQUENCY (Hz)

0.4

0.8

1.2

1.6

2.0

100

1.0 k

10 k

100 k

1.0 M

10 M

CO(ESR) = 0.3 Ω

Electrolytic

CO(ESR) = 0.15 Ω

Tantulum

2.0

4.0

6.0

8.0

100

IO, OUTPUT CURRENT (mA)

IO = 0 mA

IO = 50 mA

Vout = 5.0 V

TJ = 25°C

Vin = 14 V

Vout = 5.0 V

IO = 10 mA

DIO = 1.0 mA

CO = 100 µF

TJ = 25°C

Vin = 14 V

Vout = 5.0 V

Vin = 14 V

Vout = 5.0 V

f = 120 Hz

TJ = 25°C

Vin = 14 V

Vout = 5.0 V

DVin = 100 mV

RL = 500 Ω

CO = 100 µF

TJ = 25°C

CO(ESR) = 0.3 Ω

Electrolytic

10 k

100 k

Figure 7. Bias Current versus Input Voltage

Figure 8. Bias Current versus Output Current

Figure 9. Bias Current versus Junction Temperature

Figure 10. Output Impedance versus Frequency

Figure 11. Ripple Rejection versus Frequency

Figure 12. Ripple Rejection versus Output Current

RL = 100 Ω

RL = 500 Ω

Vin = 14 V

Vout = 5.0 V

TJ = 25°C

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