7.2 Typical Application

Figure 7-2 shows the standard usage of the LP2992 as a low-dropout regulator.

LP2992

1

2

3

4

5

1 μF

GND

2.2 μF

GND

10 nF

GND

V

IN

GND

V

OUT

ON/OFF

BYPASS

Figure 7-2. LP2992 Typical Application

7.2.1 Design Requirements

Minimum COUT value for stability (can be increased without limit for improved stability and transient response)

ON/OFF must be actively terminated. Connect to VIN if shutdown feature is not used.

Optional BYPASS capacitor for low-noise operation.

7.2.2 Detailed Design Procedure

7.2.2.1 ON/OFF Operation

The LP2992 allows for a shutdown mode using the ON/OFF pin. Driving the pin LOW (≤ 0.4V) turns the device

OFF; conversely, a HIGH (≥ 1.2V) turns the device ON. If the shutdown feature is not used, connect ON/OFF to

the input so that the regulator is on at all times. For proper operation, do not leave ON/OFF unconnected.

www.ti.com

LP2992

SNVS171L – NOVEMBER 2001 – REVISED FEBRUARY 2025

Copyright © 2025 Texas Instruments Incorporated

Submit Document Feedback

25

Product Folder Links: LP2992