LP2951 datasheet(15/47 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)

Input Voltage (V)

50k

 resistor to

external 5V supply

50k

 resistor

to VOUT

Figure 5-31. ERROR Comparator Output vs Input Voltage

(Legacy Chip)

Input Voltage (V)

-1

50kΩ resistor to

external 5V supply

50kΩ resistor

to VOUT

Figure 5-32. ERROR Comparator Output vs Input Voltage (New

Chip)

0.25

0.5

0.75

1.25

1.5

1.75

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

VOL – Output Low Voltage – V

T = 125

T = 25

T = –40

Figure 5-33. ERROR Comparator Sink Current vs Output Low

Voltage (Legacy Chip)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

OL- Output Low Voltage - V

0.5

1.5

2.5

3.5

-55°C

-40°C

0°C

25°C

85°C

125°C

150°C

Figure 5-34. ERROR Comparator Sink Current vs Output Low

Voltage (New Chip)

100

150

200

250

300

350

400

-40 -25 -10

95 110 125

TA – Temperature – °C

Figure 5-35. Divider Resistance vs Temperature (Legacy Chip)

0.8

0.9

1.1

1.2

1.3

1.4

1.5

1.6

1.7

-40 -25 -10

95 110 125

TA – Temperature – °C

Figure 5-36. Shutdown Threshold Voltage (Off to On) vs

Temperature (Legacy Chip)

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LP2951-Q1

SLVSAW6H – JUNE 2011 – REVISED NOVEMBER 2024

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