LP2951 datasheet(14/47 Pages) TI

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5.7 Typical Characteristics (continued)

at VIN = VOUT (nominal) + 1V, IL = 100μA, CL = 1µF (for new chip) and CL = 2.2µF (for legacy chip) (unless otherwise noted)

100

150

200

250

300

350

400

0.0001

0.001

0.01

0.1

IO – Output Current – A

Figure 5-25. Dropout Voltage vs Dropout Current (Legacy Chip)

0.01

0.02

0.03

0.04

0.05

0.06

0.07

0.08

0.09

0.1

O- Output Current - A

100

150

200

250

300

350

400

-55°C

-40°C

0°C

25°C

85°C

125°C

150°C

VIN = 4.9V

Figure 5-26. Dropout Voltage vs Dropout Current (New Chip)

1.6

1.65

1.7

1.75

1.8

1.85

1.9

1.95

-40 -25 -10

95 110 125

TA – Temperature – °C

Figure 5-27. Minimum Operating Voltage vs Temperature

(Legacy Chip)

-30

120

150

A- Temperature - °C

1.6

1.65

1.7

1.75

1.8

1.85

1.9

1.95

Figure 5-28. Minimum Operating Voltage vs Temperature (New

Chip)

-20

-15

-10

-5

-55

-30

-5

120 145

TA – Temperature – °C

Figure 5-29. LP2951 FEEDBACK Bias Current vs Temperature

(Legacy Chip)

-30

120

150

A- Temperature - °C

-20

-15

-10

-5

Figure 5-30. FEEDBACK Bias Current vs Temperature (New

Chip)

LP2951-Q1

SLVSAW6H – JUNE 2011 – REVISED NOVEMBER 2024

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