LP2985 datasheet(9/29 Pages) TI

9 / 29 page

200

400

600

800

1000

1200

1400

−50

−25

100

125

150

0 mA

Temperature − (°C)

150 mA

50 mA

10 mA

1 mA

VO = 3.3 V

Cbyp = 10 nF

0.2

0.4

0.6

0.8

1.2

1.4

1.6

1.8

Input Voltage − (V)

RL = Open

RL = 3.3 kW

VO = 3.3 V

Cbyp = 10 nF

0.01

0.1

100

10k

100k

Frequency − (Hz)

ILOAD = 1 mA

Cbyp = 1 nF

Cbyp = 10 nF

Cbyp = 100 pF

0.001

0.01

0.1

100

10k

100k

Frequency − (Hz)

Ci = 1 mF

Co = 4.7 mF

VO = 3.3 V

10 mA

100 mA

1 mA

0.01

0.1

100

10k

100k

Frequency − (Hz)

Cbyp = 1 nF

Cbyp = 10 nF

Cbyp = 100 pF

ILOAD = 150 mA

LP2985

www.ti.com

SLVS522O – JULY 2004 – REVISED JANUARY 2015

Typical Characteristics (continued)

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

Figure 14. Output Noise Density vs Frequency

Figure 13. Output Impedance vs Frequency

Figure 15. Output Noise Density vs Frequency

Figure 16. Input Current vs Input Voltage

Figure 18. 2.2-

μF Stable ESR Range

for Output Voltage

≤ 2.3 V

Figure 17. Ground-pin Current vs Temperature

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