GND

A1

B1

C1

A2

B2

C2

FB

SW

AVIN

VIN

EN

TPS62684

YFF-6

(TOP VIEW)

AVIN

C1

A2

B2

C2

A1

B1

VIN

EN

GND

FB

SW

TPS62684

YFF-6

(BOTTOM VIEW)

TPS62684

www.ti.com

SLVSAC5 – APRIL 2014

5 Device Comparison Table

PART

DEVICE SPECIFIC

PACKAGE MARKING

OUTPUT VOLTAGE

NUMBER

FEATURE

CHIP CODE

PWM Spread Spectrum

Modulation

TPS62684

2.85V

D1

Forced PWM

Active Output Discharge

6 Terminal Configuration and Functions

6-Terminal YFF

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

FB

C1

I

Output feedback sense input. Connect FB to the converter’s output.

Power supply input. Make sure the decoupling capacitor is connected as close as possible

VIN

A2

I

between terminal VIN (A2) and GND (C2).

AVIN

A1

I

Bias supply input voltage pin. This pin must be connected to VIN (A2).

This is the switch pin of the converter and is connected to the drain of the internal Power

SW

B1

I/O

MOSFETs.

This is the enable pin of the device. Connecting this pin low forces the device into shutdown

mode. Pulling this pin high enables the device. This pin must not be left floating and must be

EN

B2

I

terminated. When EN is pulled low, the output capacitor is actively discharged by internal

circuitry.

GND

C2

-

Ground pin

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