EC3201S

1A, 1.5MHz, Synchronous

Step Down DC/DC Converter

E-CMOS Corp. (www.ecmos.com.tw)

5E12N-Rev. F001

2/9

Pin Description

TSOT23-5L

TDFN 2x2-6L

Symbol

Description

1

2

EN

Enable control input pin.

2

5

GND

Ground pin.

3

4

SW

Power switch output.

4

3

Vin

Main supply pin.

---

1

NC

No connected.

5

6

FB

Feedback pin.

Vout=0.6×(1+R1/R2).

Add optional C1 to speed up transient response.

Typical Application Circuit, Adjustable Output Voltage

and C1 should be in the range between 10pF and 47pF for component selection.

Ordering Information

Part Number

Package

Marking

Marking Information

EC3201SNT2R

TSOT23-5L

06LDD

1.

L：Lot No

2.

DD：Date Code