Preliminary Datasheet

LPA2164A

LPA2164A–00

Version 1.0 May.-2013

www.lowpowersemi.com

Page 3 of 15

Functional Pin Description

P in N o .

P IN N ame

D E SC R IP T ION

1

PGND

Power ground pin.

2

VIN

Power supply for boost convertor.

3

EN

Enable pin for boost convertor. Active high.

4

AGND

Analog power ground for boost convertor.

5

SD

Amplifier Shutdown pin. Active high.

6

BYP

Bypass pin. Connect a 1uF capacitor to ground.

7

IN-

Negative input of amplifier.

8

IN+

Positive input of amplifier.

9

MODE

Class_AB and class_D mode switch pin. Choice class_D mode with high voltage.

10

OUT-

Negative output of amplifier.

11

VDD

Power supply for amplifier.

12

GND

Ground for amplifier.

13

OUT+

Positive output of amplifier.

14

SW

Switch pin for boost convertor.

15

NC

No connection.

16

FB

Feedback pin.

Absolute Maximum Ratings



Supply voltage for boost convertor --------------------------------------------------------------------------

-0.3V to 6V



Supply voltage for amplifier ---------------------------------------------------------------------------------

-0.3V to 6.5V



Lead Temperature (Soldering, 10 sec.) ---------------------------------------------------------------------------- 260°C



Storage Temperature Range ----------------------------------------------------------------------------

−65°C to 150°C



Operation Junction Temperature Range --------------------------------------------------------------

−40°C to 125°C



Operation Ambient Temperature Range-----------------------------------------------------------------

−40°C to 85°C



Maximum Junction Temperature Range----------------------------------------------------------------------------

125°C

Recommended Operating Conditions



Supply voltage for boost convertor -------------------------------------------------------------------------- 2.5V to 5.0V



Supply voltage for amplifier ----------------------------------------------------------------------------------

2.5V to 6.0V

Thermal Information

Parameter

Symbol

Package

Maximum

Units

Thermal resistance (junction to ambient)

SOF16

80

℃

/W

Thermal resistance (junction to case)

SOF16

36

℃

/W