ST890D View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST890D

1.2 A current limited high side power switch with thermal shutdown

STMicroelectronics 

Device summary

ST890B, ST890C, ST890D

Figure 2. DFN8L (3 x 3 mm) pin connection (top view)

IN 1

IN 2

ON 3

GND 4

8 FAULT

7 OUT

6 OUT

5 SET

CS00025

Table 3. DFN8L (3 x 3 mm) pin description

Pin N.

Symbol

Name and function

1, 2

IN

Input P-channel MOSFET source. Bypass IN with a 1 μF

capacitor to ground

3

ON

Active low switch ON input. A logic low turns the switch ON

4

GND

Ground

5

SET

Set current limit input. A resistor from SET to GND sets the

current limit for the switch.

6,7

OUT

Switch output. P-channel MOSFET drain. Bypass OUT with

a 0.1 μF capacitor to ground

Fault indicator output. This open drain output goes low

8

FAULT

when in current limit or when the die temperature exceeds

135 °C

4/17

Share Link: