6.6 Typical Characteristics (continued)

at operating temperature TJ = 25°C, VIN = VOUT(NOM) + 1.0 V or 2.5 V (whichever is greater), IOUT = 1 mA, ON/OFF pin tied to

VIN, CIN = 1.0 µF, and COUT = 4.7 µF (unless otherwise noted)

200

220

240

260

280

300

320

0

0.5

1

1.5

2

2.5

3

3.5

Output Voltage − (V)

VO = 3.3 V

Figure 6-13. Short-Circuit Current vs Output Voltage for Legacy

Chip

VOUT (V)

0

0.5

1

1.5

2

2.5

3

3.5

200

220

240

260

280

300

320

340

360

380

VI = 4.3 V

Temperature

-55 °C

-40 °C

0 °C

25 °C

85 °C

125 °C

150 °C

Figure 6-14. Short-Circuit Current vs Output Voltage for New

Chip

Temperature (

C)

-55

-25

5

35

65

95

125

150

348

349

350

351

352

VI = 4.3 V

CO = 4.7uF

Figure 6-15. Short-Circuit Current vs Temperature for New Chip

0

100

200

300

400

500

600

700

800

900

1000

1100

1200

0

20

40

60

80

100

120

140

Load Current − mA

160

VO = 3.3 V

Cbyp = 10 nF

Figure 6-16. Ground Pin Current vs Load Current for Legacy

Chip

IOUT

0

20

40

60

80

100

120

140

160

0

100

200

300

400

500

600

700

800

900

1000

1100

1200

VI = 4.3 V

VO = 3.3 V

CO = 4.7uF

Temperature

-55 °C

-40 °C

0 °C

25 °C

85 °C

125 °C

150 °C

Figure 6-17. Ground Pin Current vs Load Current for New Chip

0

10

20

30

40

50

60

70

80

90

100

10

100

1k

10k

100k

1M

Frequency − (Hz)

VI = 5 V

VO = 3.3 V

Co = 10 mF

Cbyp = 0 nF

50 mA

150 mA

1 mA

Figure 6-18. Ripple Rejection vs Frequency for Legacy Chip

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LP2985

SLVS522Q – JULY 2004 – REVISED DECEMBER 2022

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