6.6 Typical Characteristics (continued)

VOUT = 1.8 V, VIN = VOUT + 0.5 V, VEN = VIN, IOUT = 1 mA, CIN = 1 µF, COUT = 1 µF, TJ = 25°C (unless otherwise noted)

IOUT (mA)

0

50

100

150

200

250

300

0

25

50

75

100

125

150

175

200

225

250

D019

VIN = 3.3 V

VIN = 2.8 V

VOUT = 2.3 V

Figure 6-19. IGND vs IOUT

IOUT (mA)

0

50

100

150

200

250

300

0

50

100

150

200

250

300

D020

VOUT = 1.2 V

VOUT = 1.8 V

VOUT = 2.3 V

Figure 6-20. Dropout Voltage vs IOUT

Time (µs)

-25

0

25

50

75

100

125

150

0

0

0.5

0.5

1

1

1.5

1.5

2

2

2.5

2.5

D021

VIN

VOUT

VEN = VIN

VOUT = 1.8 V

COUT = 1 µF

Figure 6-21. Turnon Time

Time (µs)

-20

-10

0

10

20

30

40

50

60

70

80

0

-12

20

-8

40

-4

60

0

80

4

100

8

120

12

D022

IOUT

'VOUT

VIN = 2.3 V

VOUT = 1.8 V

COUT = 1 µF

IOUT = 1 mA to 100 mA

tRISE = 10 µs

Figure 6-22. Load Transient Response

Time (µs)

-20

-10

0

10

20

30

40

50

60

70

80

0

-12

20

-8

40

-4

60

0

80

4

100

8

120

12

D023

IOUT

'VOUT

VIN = 2.3 V

VOUT = 1.8 V

COUT = 1 µF

IOUT = 100 mA to 1 mA

tFALL = 10 µs

Figure 6-23. Load Transient Response

Time (Ps)

0

50

100

150

200

250

300

350

400

450

500

0.0

-12

0.5

-8

1.0

-4

1.5

0

2.0

4

2.5

8

3.0

12

D024

VIN (V)

'VOUT (mV)

ΔVIN = 0.5 V

VOUT = 1.8 V

COUT = 1 µF

tRISE = tFALL = 30 µs

IOUT = 1 mA

Figure 6-24. Line Transient Response

LP5910

SNVSA91F – SEPTEMBER 2015 – REVISED APRIL 2021

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