5 Pin Configuration and Functions

4

2

7

3

5

1

6

8

N.C

ANOD E

GATE

VCAP

CATHODE

EN

GND

N.C

Figure 5-1. DDF Package 8-Pin SOT-23 Top View

Table 5-1. Pin Functions

PIN

I/O(1)

DESCRIPTION

NO.

NAME

1

EN

I

Enable pin. Can be connected to ANODE for always ON operation.

2

GND

G

Ground pin

3

N.C

No connection. Keep this pin floating.

4

VCAP

O

Charge pump output. Connect to external charge pump capacitor.

5

ANODE

I

Anode of the diode and input power. Connect to the source of the external N-channel

MOSFET.

6

GATE

O

Gate drive output. Connect to gate of the external N-channel MOSFET.

7

N.C

No connection. Keep this pin floating.

8

CATHODE

I

Cathode of the diode. Connect to the drain of the external N-channel MOSFET.

(1)

I = Input, O = Output, G = GND

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LM74700-EP

SNOSDD6 – SEPTEMBER 2021

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