100

50

0

-50

-100

3

4

5

VIN

VOUT

VOUT = 3.3V

100 Ps/DIV

COUT = 1 PF

100

50

0

-50

-100

0.01

1

ILOAD

VOUT

COUT = 100 PF

200 Ps/DIV

20

10

0

-10

-20

3

4

5

VIN

VOUT

VOUT = 3.3V

COUT = 100 PF

200 Ps/DIV

100

50

0

-50

-100

3

4

5

VIN

VOUT

VOUT = 3.3V

COUT = 10 PF

100 Ps/DIV

10

100

1k

10k

100k

0

10

20

30

40

50

60

FREQUENCY (Hz)

COUT = 100 PF

VIN(DC) = 5.3V

VIN(AC) = 1V(p-p)

VOUT = 3.3V

10

100

1k

10k

100k

0

10

20

30

40

50

60

FREQUENCY (Hz)

COUT = 1 PF

VIN(DC) = 5.3V

VIN(AC) = 1V(p-p)

VOUT = 3.3V

7

LP38690, LP38692

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SNVS322M – DECEMBER 2004 – REVISED DECEMBER 2015

Product Folder Links: LP38690 LP38692

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Copyright © 2004–2015, Texas Instruments Incorporated

Typical Characteristics (continued)

Unless otherwise specified: TJ = 25°C, CIN = COUT = 10 µF, EN pin is tied to VIN (LP38692 only), VOUT = 1.8 V, VIN = VOUT + 1

V, IL = 10 mA.

Figure 5. Ripple Rejection

Figure 6. Ripple Rejection

Figure 7. Line Transient Response

Figure 8. Line Transient Response

Figure 9. Line Transient Response

Figure 10. Load Transient Response