GND

A1

B1

C1

A2

B2

C2

FB

SW

MODE

VIN

EN

TPS6269x

CSP-6

(TOP VIEW)

MODE

C1

A2

B2

C2

A1

B1

VIN

EN

GND

FB

SW

TPS6269x

CSP-6

(BOTTOMVIEW)

TPS62690

TPS62691

TPS62697

www.ti.com

SLVS965B

– MARCH 2011 – REVISED JANUARY 2012

PIN ASSIGNMENTS TPS6269X

PIN FUNCTIONS

PIN

I/O

DESCRIPTION

NAME

NO.

FB

C1

I

Output feedback sense input. Connect FB to the converter

’s output.

VIN

A2

I

Power supply input.

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 to ground forces the device into

EN

B2

I

must be terminated.

This is the mode selection pin of the device. This pin must not be left floating and must be

terminated.

MODE = LOW: The device is operating in regulated frequency pulse width modulation mode

MODE

A1

I

(PWM) at high-load currents and in pulse frequency modulation mode (PFM) at light load

currents.

MODE = HIGH: Low-noise mode enabled, regulated frequency PWM operation forced.

GND

C2

–

Ground pin.

Copyright

© 2011–2012, Texas Instruments Incorporated

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Product Folder Link(s): TPS62690 TPS62691 TPS62697