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Axelite Confidential Materials, do not copy or distribute without written consent.

Rev.1.1 Nov.05, 2019

AX3984



ORDER/MARKING INFORMATION

Order Information

Top Marking

Package Type

ES: SOP-8L-EP

AX3984 XX X

Packing

A : Taping

Blank : Tube

AX 3

Logo

Part number

ID code: internal

WW: 01~52

Y Y W W X

9 8 4

Year: 18=2018

19=2019

20=2020

21=2021

22=2022

:

45=2045



ABSOLUTE MAXIMUM RATINGS

Input Supply Voltage …

+26V

SW Voltage

....... ..

… - 1V to 27V

<10nS ................

.. (-5V to 30V)

EN Voltage ……. ......... - 0.3 to VIN+0.3V

Other Pins ……… …… - 0.3V to +6V

Boost Voltage ...........

.... Vsw+6V

ESD Classification …… ……

.. Class 2

Junction Temperature Range …. . -40oC to 150°C

Storage Temperature Range ….… -65oC to 150°C

Lead Temperature (Soldering10s).. .. 260°C

Thermal information (Note3,4)

Maximum Power Dissipation(TA=+25°C ) ……

1.961W

Thermal resistance(θJA) …………. 51°C/W

Thermal resistance(θJC) …………. 13°C/W

Recommend Operating Conditions (Note2)

Input Voltage (VIN) ……… +4.5V to +23V

Operating Temperature Range .-40°C to +85°C

Junction Temperature Range …...……. 135°C

Note (1): Stress exceeding those listed “Absolute Maximum Ratings” may damage the

device.

Note (2): The device is not guaranteed to function outside of the recommended operating

conditions.

Note (3): Measured on JESD51-7, 4-Layer PCB.

Note (4): The maximum allowable power dissipation is a function of the maximum junction

temperature TJ_MAX, the junction to ambient thermal resistance θJA, and the ambient temperature TA.

The maximum allowable continuous power dissipation at any ambient temperature is calculated by

PD_MAX= (TJ_MAX-TA)/θJA. Exceeding the maximum allowable power dissipation will cause excessive

die temperature, and the regulator will go into thermal shutdown. Internal thermal shutdown

circuitry protects the device from permanent damage.