5.6 Typical Characteristics (continued)

CIN = 1µF, COUT = 4.7µF, VIN = VOUT(NOM) + 1V, TA = 25°C, and ON/OFF pin is tied to the IN pin (unless otherwise noted)

Figure 5-43. Line Transient Response (Legacy Chip)

20

s/div

0

40

80

120

160

200

240

280

3.27

3

3.29

3.5

3.31

4

3.33

4.5

3.35

5

3.37

5.5

3.39

6

3.41

6.5

VO

VIN

VOUT = 3.3V, CBYP = 0nF, ΔVIN = 1V, IOUT = 1mA,

dV/dt = 1V/μs

Figure 5-44. Line Transient Response (New Chip)

Figure 5-45. Line Transient Response (Legacy Chip)

20

s/div

0

40

80

120

160

200

240

280

3.27

3

3.29

3.5

3.31

4

3.33

4.5

3.35

5

3.37

5.5

3.39

6

3.41

6.5

VO

VIN

VOUT = 3.3V, CBYP = 0nF, ΔVIN = 1V, IOUT = 150mA,

dV/dt = 1V/μs

Figure 5-46. Line Transient Response (New Chip)

Figure 5-47. Line Transient Response (Legacy Chip)

20

s/div

0

20

40

60

80

100

120

140

160170

3.296

3

3.297

3.25

3.298

3.5

3.299

3.75

3.3

4

3.301

4.25

3.302

4.5

3.303

4.75

3.304

5

3.305

5.25

3.306

5.5

3.307

5.75

3.308

6

3.309

6.25

3.31

6.5

3.311

6.75

3.312

7

VO

VIN

VOUT = 3.3V, CBYP = 10nF, ΔVIN = 1V, IOUT = 1mA,

dV/dt = 1V/μs

Figure 5-48. Line Transient Response (New Chip)

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LP2992

SNVS171L – NOVEMBER 2001 – REVISED FEBRUARY 2025

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