Application Details

•

PNP Transistor and NPN Transistor integrated as one in

LBN150B01 can be used as a discrete entity for general purpose

applications or as a part of a circuit to function as a Load Switch.

When it is used as the latter as shown in Example Circuit

Schematic, various input voltage sources can be used as long as

they do not exceed the maximum rating of the device. These

devices are designed to deliver continuous output load current up

to maximum of 150 mA. The use of the NPN as a switch

eliminates the need for higher current required to overcome the

gate charge in the event an N-MOSFET is used. Care must be

taken for higher levels of dissipation while designing for higher

load conditions. These devices provide power on demand and

also consume less space. It mainly helps in optimizing power

usage, thereby conserving battery life in a controlled load system

like portable battery powered applications. (Please see Figure

below for one example of typical application circuit used in

conjunction with a voltage regulator as a part of power

management system).

R 2

220

Vi n

V o u t

Q1

P N P

NP N

LO A D

R1

10K

BQ2

Control

CQ1

CQ2

BQ1

EQ2

EQ1

Q2

Example Circuit Schematic

Typical Application Circuit

U1

Vi n

OU T 1

GN D

V out

U2

1

3

2

4

5

6

E_ Q 1

B_ Q 2

B_ Q 1

C_ Q 2

E_ Q 2

C_ Q 1

Con t r o l

U3

IN

O U T

Vi n

5V Suppl y

GN D

Load Switch

Voltage Regulator

LBN150B01

Diodes, Inc.

Point of

Load

Control Logic

Circuit (PIC,

Comparator, etc)

DS30749 Rev. 4 - 2

6 of 7

www.diodes.com

LBN150B01

© Diodes Incorporated

Device

Marking Code

Packaging

Shipping

LBN150B01-7

PM4

SOT-26

3000/Tape & Reel

Notes:

5.

For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.

Marking Information

PM4

PM4 = Product Type Marking Code

YM = Date Code Marking

Y = Year ex: T = 2006

M = Month ex: 9 = September

Date Code Key

Year

2006

2007

2008

2009

2010

2011

2012

Code

T

U

V

W

X

Y

Z

Month

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Code

1

2

3

4

5

6

7

8

9

O

N

D