2

Pin configuration

NC

GND

dV/dt

EN/Fault

1

3

2

4

5

6

7

8

9

10

Exp

Pin n°

Symbol

Function

1-2

Positive input voltage.

3-4

Connected to the source of the internal power MOSFET.

5

NC

Not connected.

6

GND

Ground.

7

dV/dt

Soft-start adjustment pin. The internal dV/dt circuit controls the slew rate of the output

voltage at turn-on. The internal capacitor allows a fixed ramp-up time but an external

capacitor can be added to this pin to increase the ramp time. If an additional capacitor is

not required, this pin should be left open.

8

EN/Fault

The EN/Fault pin is a tri-state, bi-directional interface.

During normal operation the pin can be left floating, it is internally pulled up to 5 V. It can

be used to disable the output of the device by pulling it to ground using an open drain or

open collector device.

See Section 6.1 , Section 6.5 , Section 6.6 and Section 6.7 for other specific

functions of this pin according to the device versions.

9

threshold.

10

External gate driver pin. An external power MOSFET can be connected to implement the

reverse current protection.

Exp

The device’s package uses the center pad as a thermal conduit. This pad should be

connected to an adequate spread of copper. GND connection is suggested.

STELPD01

Pin configuration

DS13254 - Rev 1

page 3/27