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http://www.union-ic.com Rev.02 Dec.2014

2/18

UM1650 UM1750

Pin Configurations

Top View

GND 1

OUT 2

3 IN

3

1

2

6XX

Marking Pin 1

M: Month Code

UM1650S-xx

SOT23-3

IN 1

GND 2

SHDN 3

4 NC

5 OUT

1

2

3

4

5

5XX

M: Month Code

UM1750S-xx

SOT23-5

IN 1

GND 2

SHDN 3

4 FB

5 OUT

1

2

3

4

5

5CT

M: Month Code

UM1750S-00

SOT23-5

1

2

3

4

5

NC

GND

SHDN

IN

OUT

GND

1

2

3

4

5

1750-XX

XX

XX: Week Code

UM1750Y-xx

SOT89-5