1

2

A

B

C

Not to scale

EN

VIN

VCON

SW

FB

GND

3

LM3241

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SNOSB38C – JANUARY 2009 – REVISED NOVEMBER 2017

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5 Pin Configuration and Functions

YZR Package With 0.5 mm Pitch

6-Pin DSBGA

Top View

Pin Functions

PIN

TYPE

DESCRIPTION

NO.

NAME

A1

EN

I

Enable Input. Set this digital input high for normal operation. For shutdown, set low. Do not

leave EN pin floating.

A2

VIN

PWR

Power supply input. Connect to the input filter capacitor (see Figure 29).

B1

VCON

I

Voltage Control Analog input. VCON controls VOUT in PWM mode. Do not leave VCON pin

floating. VOUT = 2.5 × VCON.

B2

SW

PWR

Switching Node connection to the internal PFET switch and NFET synchronous rectifier.

Connect to an inductor with a saturation current rating that exceeds the maximum Switch

Peak Current Limit specification of the LM3241.

C1

FB

I

Feedback Analog Input. Connect to the output at the output inductor.

C2

GND

—

Ground