5 Pin Configuration and Functions

GND

VOS

VSET

EN

VIN

SW

A

B

C

1

2

Figure 5-1. 6-Pin DSBGA YKA Package (Top View)

1

GND

6

VOS

2

VIN

5

SW

3

VSET

4

EN

Not to scale

Figure 5-2. 6-Pin DRL SOT563 Package (Top View)

Table 5-1. Pin Functions

PIN NUMBER

TYPE

DESCRIPTION

NAME

SOT563

DSBGA

GND

1

A1

PWR

GND supply pin. Connect this pin close to the GND terminal of the input and output capacitor.

VIN

2

B1

PWR

VIN power supply pin. Connect the input capacitor close to this pin for best noise and voltage

spike suppression. A ceramic capacitor is required.

VSET

3

C1

I

Connecting a resistor to GND selects a pre-defined output voltage.

VOS

6

A2

I

Output voltage sense pin for the internal feedback divider network and regulation loop. This pin

also discharges VOUT by an internal MOSFET when the converter is disabled. Connect this pin

directly to the output capacitor with a short trace.

SW

5

B2

O

The switch pin is connected to the internal MOSFET switches. Connect the inductor to this

terminal.

EN

4

C2

I

A high level enables the devices and a low level turns the device off. The pin features an internal

pulldown resistor, which is disabled once the device has started up.

TPS62843

SLVSFU8C – JANUARY 2022 – REVISED JUNE 2024

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