1.5MHz, Dual 1.5A, Synchronous

Step-Down Regulator

EC3221

Page 3 of 16

3F18N-Rev.P001

Ordering Information

Part Number

Package

Marking

Marking Information

EC3221NNMHR

SOP-8

(Exposed PAD)

EC3221

LLLLL

YYWWT

1.

LLLLL：last five number of lot No

2.

YYWW：date code

3.

T：Internal tracking code

Absolute Maximum Ratings

Parameter

Symbol

Value

Unit

Input Supply Voltage

V

Feedback Pin Voltage

V

Enable Pin Voltage

V

Power Dissipation

Internally limited

mW

Operating Junction Temperature

150

℃

Storage Temperature

-65 to 150

℃

Lead Temperature (Soldering, 10 sec)

260

℃

ESD(HBM)

2000

V

MSL

LEVEL 3

Thermal Resistance-Junction to Ambient

50

℃/W

Thermal Resistance-Junction to Case

10

℃/W

Note1: Stresses greater than those listed under Maximum Ratings may cause permanent damage to the device. This is a

stress rating only and functional operation of the device at these or any other conditions above those indicated in the

operation is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.