AP3428/A

Document number: DS37417 Rev. 5 - 2

4 of 14

www.diodes.com

May 2021

© Diodes Incorporated

AP3428/A

Absolute Maximum Ratings (Note 4)

Symbol

Parameter

Rating

Unit

VIN

Input Voltage

-0.3 to 6

V

VEN

EN Pin Voltage

-0.3 to VIN+0.3

V

VLX

LX Pin Voltage

-0.3 to VIN+0.3

V

-3V to 7V (<40ns)

V

VFB

Feedback Pin Voltage

-0.3 to VIN+0.3

V

PD

Power Dissipation (on PCB, TA = +25°C)

TSOT25

TSOT25 (Type SM)

0.4

W

U-DFN2020-6 (Type J)

1.89

θJA

Thermal Resistance (Junction to Ambient)

TSOT25

TSOT25 (Type SM)

220

°C/W

U-DFN2020-6 (Type J)

53

θJC



Thermal Resistance (Junction to Case, Simulation)

TSOT25

TSOT25 (Type SM)

130

ºC/W

U-DFN2020-6 (Type J)

25

TJ

Operating Junction Temperature

+155

°C

TSTG

Storage Temperature

-55 to +150

°C

VMM

ESD (Machine Model)

200

V

VHBM

ESD (Human Body Model)

2000

V

VCDM

ESD (Charge Device Mode)

1000

V

Note 4:

Stresses greater than those listed under Absolute Maximum Ratings can 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 can affect device reliability.

Recommended Operating Conditions

Symbol

Parameter

Min

Max

Unit

VIN

Supply Voltage

2.5

5.5

V

TJ

Junction Temperature Range

-40

+125

°C

TA

Operating Ambient Temperature

-40

+85

°C