NCP4547

http://onsemi.com

2

Figure 2. Pin Configuration − Top View

1

2

3

4

5

6

14

15

16

17

18

19

EN

POL

SR

DELAY

PIN DESCRIPTION

Pin

Name

Function

1, 6, 9, 10, 12,

21, 23, 24, 27

Drain of MOSFET (0.5 V − 6.0 V)

2

EN

Digital input used to turn on the MOSFET according to this truth table:

EN

POL

MOSFET

0

0On

0

1Off

3

POL

1

0Off

1

1On

EN has an internal pull down resistor to GND

4

SR

Slew rate adjustment

5

DELAY

Turn−on delay adjustment

7, 26

GND

Controller ground

8

Supply voltage to controller (3.0 V − 5.5 V)

11, 22

13−20

Source of MOSFET connected to load

25

BLEED

Load bleed connection