EC49121

600mA LDO with Fast Enable

And Fast Discharge Function

Page 4 of 13

Package

Part Number

Marking

Marking Information

SOT23-5L

EC49121-XXNHFB21G

TSOT23-5L

EC49121-XXNHFT21G

SC-70-5L

EC49121-XXNHFC1G

6VFXX

The 1st character represents the products series Example: Part no:EC49121=6

The 2nd character represents the Output Voltage code. Please refer the table1

for Output Voltage Code information.

The 3rd character represents the Function code. Please refer the table2 for

Function Code information.

The XX character represents

There is an under-line on 1st digit for A type package.

There is an under-line on 5th digit for Pb-Free package.

There are two under-lines on 4th & 5th digit for Green package.

There is a top-line on 1 st digit for ±1% Output voltage accuracy.

Table1

Mark code vs. Output Voltage code

Mark

Voltage

Mark

Voltage

4

1.0V

M

3.0V

5

1.2V

N

3.1V

8

1.5V

Q

3.3V

A

1.8V

V

3.6V

G

2.5V

Z

5.0V

L

2.85V

O

Adjustable Type

Table2

Mark code vs. Function code

EN Type

EN Type

Type

Type

Type

Type

Mark

Code

Code 1

Code 2

Discharge

Mark

Code

Code 1

Code 2

Discharge

A

NHF

None

High

Fast

G

UHN

Pull High

High Active

Normal

B

NLF

None

Low

Fast

H

ULN

Pull High

Low Active

Normal

C

NHN

None

High

Normal

J

DHF

Pull Low

High Active

Fast

D

NLN

None

Low

Normal

K

DLF

Pull Low

Low Active

Fast

E

UHF

Pull

High

Fast

L

DHN

Pull Low

High Active

Normal

F

ULF

Pull

Low

Fast

M

DLN

Pull Low

Low Active

Normal

Marking Information