500mV/div

V

OUT

I

IN

EN

200mA/div

200mV/div

20 s/div

m

V

=1.3V

OUT

I

=400mA

IN-PEAK

1mV/div

V

OUT

V

IN

200mV/div

100 s/div

m

1.6V

2.0V

10

1

0.1

0.01

100

1k

10k

100k

Frequency(Hz)

500mV/div

V

OUT

I

IN

EN

50mA/div

200mV/div

20 s/div

m

V

=1.3V

OUT

I

=110mA

IN-PEAK

100

80

60

40

20

0

10

100

1k

1M

10k

100k

10M

Frequency(Hz)

I

=350mA

OUT

(V

V

-

IN

OUT)=350mV

(V

V

IN

OUT

-

)=300mV

(V

V

IN

OUT

-

)=250mV

100

80

60

40

20

0

10

100

1k

1M

10k

100k

10M

Frequency(Hz)

I

=1mA

OUT

I

=350mA

OUT

(V

V

IN

OUT

-

)=0.5V

(V

V

BIAS

OUT

-

)=1.4V

10

TPS720

SBVS100E – JUNE 2008 – REVISED SEPTEMBER 2015

www.ti.com

Product Folder Links: TPS720

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Copyright © 2008–2015, Texas Instruments Incorporated

Typical Characteristics (continued)

Over operating temperature range (TJ = –40°C to 125°C), VBIAS = (VOUT + 1.4 V) or 2.5 V (whichever is greater); VIN = VOUT +

0.5 V, IOUT = 1 mA, VEN = 1.1 V, COUT = 2.2 μF, unless otherwise noted. Typical values are at TJ = 25°C.

Figure 19. VIN Power-Supply Ripple Rejection

vs Frequency (TPS72015YZU)

Figure 20. VBIAS Power-Supply Ripple Rejection vs

Frequency (TPS72015YZU)

Figure 21. Output Spectral Noise Density vs Frequency

(TPS72015YZU)

VIN = 1.8 V

VOUT = 1.3 V

VBIAS = 2.7 V

IOUT = 0 mA

Figure 22. VIN Inrush Current

VIN = 1.8 V

VOUT = 1.3 V

VBIAS = 2.7 V

IOUT = 350 mA

Figure 23. VIN Inrush Current

VIN = 1.6 to 2 V

VOUT = 1.3 V

VBIAS = 2.7 V

VIN Slew Rate = 1 V/μs

IOUT = 350 mA

Figure 24. VIN Line Transient Response