SC1458

7

Pin Descriptions

Pin #

Pin Name

Pin Function

SC1458A

SC1458B

1

1

OUTB

Output for LDOB

2

2

VIN

Input supply voltage terminal

3

3

OUTA

Output for LDOA

4

4

GND

Analog and digital ground

5

5

EN

Logic Input — active high enables the SC1458.

6

PGOOD

Open drain logic output — monitors output of LDOA, switches low when the output drops out

of regulation.

6

BYP

LDO bypass output — bypass with a 22nF capacitor.

TT

Thermal

Pad

Pad is for heatsinking purposes — not connected internally. Connect exposed pad to ground

using multiple vias.