Frequency (Hz)

0.005

0.01

0.02

0.05

0.1

0.2

0.5

1

2

5

10

20

20

10

100

1k

10k

100k

1M

10M

COUT = 2.2PF, 160 PVRMS

COUT = 4.7PF, 170 PVRMS

COUT = 47PF, 138 PVRMS

Frequency (Hz)

0.005

0.01

0.02

0.05

0.1

0.2

0.5

1

2

5

10

20

20

10

100

1k

10k

100k

1M

10M

VIN=1.9V, VOUT=0.9V, 53PVRMS

VIN=2.8V, VOUT=1.8V, 96PVRMS

VIN=3.8V, VOUT=3.3V, 160PVRMS

14

TPS746

SBVS337A – APRIL 2018 – REVISED DECEMBER 2018

www.ti.com

Product Folder Links: TPS746

Submit Documentation Feedback

Copyright © 2018, Texas Instruments Incorporated

Typical Characteristics (continued)

at operating temperature range TJ = 25°C, VIN = VOUT(NOM) + 0.5 V or 1.5 V (whichever is greater), IOUT = 1 mA, VEN = VIN, and

CIN = COUT = 1 μF (unless otherwise noted)

VIN = 3.8 V, VOUT = 3.3 V, IOUT = 100 mA, CFF = 0 µF,

VRMS BW = 10 Hz to 100 kHz

Figure 43. Output Spectral Noise Density vs

Frequency and COUT

IOUT = 500 mA, COUT = 2.2 µF, VRMS BW = 10 Hz to 100 kHz

Figure 44. Output Spectral Noise Density vs Frequency