AP3402

Document number: DS36623 Rev. 3 - 2

3 of 10

www.diodes.com

August 2015

© Diodes Incorporated

AP3402

Functional Block Diagram

1 M OSC

SLOPE COMP

FREQ

SHIFT

S

R

Q

_

Q

EA

_

+

SWITCHING

LOGIC AND

BLOCKING

CIRCUIT

ANTI -

SHOOT

THRU

PWM

COMP

_

+

+

IAMP

FB

EN

VIN

LX

GND

SHUTDOWN

____

OSC

V REF

0.6

CONTROL

LOGIC

+

PG

4

3

2

5

1

6

Symbol

Parameter

Rating

Unit

Input Voltage

-0.3 to 6

V

EN Pin Voltage

V

LX Pin Voltage

V

Feedback Pin Voltage

V

PG Pin Voltage

V

Thermal Resistance (Junction to Ambient)

TSOT26

220

°C/W

Operating Junction Temperature

+150

°C

Storage Temperature

-65 to +150

°C

Lead Temperature (Soldering, 5 sec)

+300

°C

ESD (Machine Model)

200

V

ESD (Human Body Model)

2000

V

Note 4:

Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied.

Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability.

Recommended Operating Conditions

Symbol

Parameter

Min

Max

Unit

Input Voltage Range

2.7

5.5

V

Operating Ambient Temperature

-40

+85

°C

Junction Temperature Range

-40

+125

°C