DEVICE INFORMATION

VIN

CTRL

SW

FB

COMP

GND

TOP VIEW

Thermal

Pad

6-PIN2mmx2mmx0.8mmQFN

TPS61160A

TPS61161A

TERMINAL FUNCTIONS

TERMINAL

I/O

DESCRIPTION

NAME

NO.

VIN

6

I

The input supply pin for the IC. Connect VIN to a supply voltage between 2.7V and 18V.

This is the switching node of the IC. Connect the inductor between the VIN and SW pin. This pin is also

SW

4

I

used to sense the output voltage for open LED protection

GND

3

O

Ground

FB

1

I

Feedback pin for current. Connect the sense resistor from FB to GND.

Output of the transconductance error amplifier. Connect an external capacitor to this pin to compensate the

COMP

2

O

regulator.

Control pin of the boost regulator. Enable and disable IC. PWM signal can be applied to the pin for LED

CTRL

5

I

brightness dimming as well.

The thermal pad should be soldered to the analog ground plane. If possible, use thermal via to connect to

Thermal Pad

ground plane for ideal power dissipation.

4

Submit Documentation Feedback

Copyright © 2009, Texas Instruments Incorporated

Product Folder Link(s): TPS61160A TPS61161A