10

100

1k

10k

100k

FREQUENCY (Hz)

0.0

0.5

1.0

1.5

COUT = 100 PF

10

100

1k

10k

100k

0

10

20

30

40

50

60

FREQUENCY (Hz)

COUT = 10 PF

VIN(DC) = 5.3V

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

VOUT = 3.3V

10

100

1k

10k

100k

FREQUENCY (Hz)

0.0

0.2

0.4

0.6

0.8

1.0

1.2

COUT = 1 PF

FREQUENCY (Hz)

10

100

1k

10k

100k

0.0

0.2

0.4

0.6

0.8

1.0

COUT = 10 PF

6

LP38690, LP38692

SNVS322M – DECEMBER 2004 – REVISED DECEMBER 2015

www.ti.com

Product Folder Links: LP38690 LP38692

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Copyright © 2004–2015, Texas Instruments Incorporated

Electrical Characteristics (continued)

Unless otherwise specified: VIN = VOUT + 1 V, CIN = COUT = 10 µF, ILOAD = 10 mA, and limits are for TJ = 25°C. Minimum (MIN)

and maximum (MAX) limits are specified through testing, statistical correlation, or design.

PARAMETER

TEST CONDITIONS

MIN

TYP(1)

MAX

UNIT

VEN

Enable voltage (LP38692

only)

Output = OFF,

−40°C ≤ TJ ≤ 125°C

0.4

V

Output = ON, VIN = 4 V

−40°C ≤ TJ ≤ 125°C

1.8

Output = ON, VIN = 6 V

−40°C ≤ TJ ≤ 125°C

3

Output = ON, VIN = 10 V

−40°C ≤ TJ ≤ 125°C

4

IEN

Enable pin leakage

VEN = 0 V or 10 V, VIN = 10 V

–1

0.001

1

µA

6.6 Typical Characteristics

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 1. Noise vs Frequency

Figure 2. Noise vs Frequency

Figure 3. Noise vs Frequency

Figure 4. Ripple Rejection