TPS79118DBVREP datasheet(10/22 Pages) TI1

Part #	TPS79118DBVREP

Description	ULTRALOW NOISE, HIGH PSRR, FAST RF, 100-mA LOW-DROPOUT LINEAR REGULATORS

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12 k

600 800

t − Time −

µs

TPS79118

LOAD TRANSIENT RESPONSE

−20

100

0

400

200

1 k

14 k 16 k 18 k 2 k

20

VI = 2.8 V

Co = 10 µF

0

−40

3.8

TPS79118

LINE TRANSIENT RESPONSE

t − Time −

µs

0

30

20

10

40 50

70

60

80 90 100

2.8

10

0

−10

IO = 100 mA

Co = 1 µF

C(byp) = 0.01 µF

20

TPS79133

LINE TRANSIENT RESPONSE

t − Time −

µs

0

15

10

5

20

25

35

30

40

45 50

IO = 100 mA

Co = 1 µF

C(byp) = 0.01 µF

0

5.3

4.3

−20

dv

dt

+

0.4 V

µs

VI = 4.3 V

Co = 10 µF

t − Time −

µs

−40

100

0

50 100 150 200 250 300

−20

0

350 400 450 500

20

TPS79133

LOAD TRANSIENT RESPONSE

0.01

0.1

1

10

100

0

0.02

0.04

0.06

0.08

0.1

IO − Output Current − A

TPS79118

TYPICAL REGIONS OF STABILITY

EQUIVALENT SERIES RESISTANCE (ESR)

vs

OUTPUT CURRENT

Region of

Instability

Co = 0.47 µF

VI = 5.5 V

TJ = −40 °C to 125°C

Region of Instability

0.01

0.1

10

100

0

0.02

0.04

0.06

0.08

0.1

IO − Output Current − A

TPS79118

TYPICAL REGIONS OF STABILITY

EQUIVALENT SERIES RESISTANCE (ESR)

vs

OUTPUT CURRENT

1

Region of Instability

Region of Stability

Co = 1 µF

VI = 5.5 V

TJ = −40 °C to 125°C

0.01

0.1

10

100

0

0.02

0.04

0.06

0.08

0.1

IO − Output Current − A

TPS79118

TYPICAL REGIONS OF STABILITY

EQUIVALENT SERIES RESISTANCE (ESR)

vs

OUTPUT CURRENT

1

Region of Instability

Region of Stability

Co = 10 µF

VI = 5.5 V

TJ = −40 °C to 125°C

TPS79101-EP, TPS79118-EP

TPS79133-EP, TPS79147-EP

SGLS161A – APRIL 2003 – REVISED JUNE 2008 ............................................................................................................................................................ www.ti.com

TYPICAL CHARACTERISTICS (continued)

Figure 26.

Figure 27.

Figure 28.

Figure 29.

Figure 30.

Figure 31.

Figure 32.

10

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Product Folder Link(s): TPS79101-EP TPS79118-EP TPS79133-EP TPS79147-EP

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