EC49121

600mA LDO with Fast Enable

And Fast Discharge Function

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Pin#

SOT23-5L

Pin#

SC-70-5L

Symbol

Function

1

1

Regulator Input Pin.

2

2

GND

Ground Pin.

3

3

EN

Enable Pin.

4

4

NC/ADJ

No Connection for Fixed Voltage or ADJ

Terminal Pin for Adjustable Voltage.

5

5

Ordering Information

EC49121-XX X X X XX X X

Package Type: B2: SOT23-5L

T2: TSOT23-5L

C5: SC-70-5L

F: Lead Free

G: Green Mode

Vout Code:

18=1.8V

25=2.5V

33=3.3V

Adjustable Output

EN Pin Type Code1:

N: None Function

U: Pull High Function

D: Pull Low Function

EN Pin Type Code2

H: High Active Option Function

L: Low Active Option Function

Output voltage Accuracy: 1=

±1%, 2= ±2%

Discharge Code: F: Fast Discharge

Package

Part Number

Information

SOT23-5L

EC49121-XXNHFB21G

TSOT23-5L

EC49121-XXNHFT21G

SC-70-5L

EC49121-XXNHFC1G

The XX character represents Output Voltage. Example: 18=1.8V, 25=2.5V, 33=3.3V, Default:

Adjustable Output...

The N character represents EN Pin type code 1: Example: N: None Function, U: Pull High

Function, D: Pull Low Function

The H character represents EN Pin type code 2 Example: H: High Active Option Function,

L:Low Active Option Function

The F character represents discharge code. Example: F: Fast discharge.

The B2 or C character represents package type. Example: B2: SOT23-5L, C: SC-70-5L.

The 1 character represents Output Voltage accuracy. Example:1:±1%, 2 :±2% .

The last character” F” or “G” represents Lead Free code: Example: F: Lead Free, G: Green

mode.

Pin Assignment

Pin Descriptions

SOT23-5L/TSOT23-5L

/SC-70-5L (Top View)