LP5922 datasheet(8/24 Pages) TI1

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IOUT (A)

0.2

0.4

0.6

0.8

1.2

1.4

1.6

1.8

0.025

0.05

0.075

0.1

0.125

0.15

0.175

0.2

0.225

0.25

D015

VIN = 1.4 V

VIN = 2.5 V

VIN = 3.7 V

VIN = 5.3 V

OUT

4 VOUT

OUT

4 VOUT

OUT

4 VOUT

Time (ms)

-5

0.5

120

1.5

180

240

2.5

300

360

3.5

420

480

4.5

540

600

D012

VEN

VOUT

VSS/NR

VPG

Time (us)

-50

100

150

200

250

300

350

400

450

0.5

100

1.5

150

200

2.5

250

300

3.5

350

400

4.5

450

500

D013

VEN

VOUT

VSS/NR

VPG

LP5922

SNVSAG0 – NOVEMBER 2016

www.ti.com

Product Folder Links: LP5922

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Typical Characteristics (continued)

VIN = VOUT + 0.5 V, VEN = 1.2 V, CIN = 22 μF, COUT = 22 μF, OUT connected to 50 Ω to GND, VFB = 0.5 V, CSS/NR = 0.12 µF,

CFF = 0.01 µF, and PG pin pulled up to VIN by 100-kΩ resistor and TJ = 25°C, unless otherwise stated.

VOUT = 5 V

IOUT = 1 mA

Figure 7. Power Down

VOUT = 5 V

IOUT = 2 A

Figure 8. Power Down

VOUT = 2.8 V

IOUT = 10 mA to 2 A

trise = 1 V/µs

Figure 9. Load Transient Response

VOUT = 2.8 V

IOUT = 2 A to 10 mA

tfall = 1 V/µs

Figure 10. Load Transient Response

VOUT = 2.8 V

VIN 3.3 V to 3.8V to 3.3 V

tfall = 1 V/µs

Figure 11. Line Transient Response

Figure 12. Dropout Voltage (VDO) vs Load Current

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