________________________________________________________________________

http://www.union-ic.com Rev.01 Apr.2014

3/14

UM1330

Pin Description

Naming Information

UM1330

Package Type

S: SOT23-5

P: SOT353

DA: DFN6 2.0×2.0

Output Voltage

15: 1.5V

16: 1.6V

17: 1.7V

……

33: 3.3V

Pin Number

Pin

Name

Pin Function

UM1330S-xx

UM1330P-xx

UM1330DA-xx

1

1

3

VIN

Supply Input

2

2

2

GND

Ground

3

3

1

EN

Enable/Shutdown

(Input):

CMOS

compatible input.

Logic high = enable; logic low =

shutdown.

Do not leave it open.

4

4

6

BYP

Reference Bypass: Connect external

0.01μF≤C

GND to reduce output noise. May be

left open.

5

5

4

VOUT

Output Voltage

-

-

5

NC

Not connected.