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http://www.union-ic.com Rev.04 Feb.2014

6/12

UM153xx/UM154xx

Typical Performance Characteristics

Output Voltage vs Output Current

1.780

1.785

1.790

1.795

1.800

1.805

1.810

1.815

1.820

0

50

100

150

200

250

300

Output Current (mA)

UM15318S,VIN=3.5V

Output Voltage vs Input Voltage

1.770

1.775

1.780

1.785

1.790

1.795

1.800

1.805

2.1 2.5 2.9 3.3 3.7 4.1 4.5 4.9 5.3 5.7

Input Voltage (V)

Iout=40mA

Iout=100mA

UM15318S

Output Voltage vs Ambient Temperature

1.770

1.780

1.790

1.800

1.810

1.820

1.830

1.840

1.850

-40 -25 -10 5

20 35 50 65 80 95

Ambient Temperature (℃)

Quiescent Current vs Ambient Temperature

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

-40

-20

0

20

40

60

80

100 120

Temperature (℃)

UM15318S, VIN=3.5V

UM15318S, VIN=3.5V

Quiescent Current vs Input Voltage

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

2

2.5

3

3.5

4

4.5

5

5.5

Input Voltage (V)

UM15318S,Ta=25℃

UM15315S, VIN=3.0V

UM15318S, VIN=3.5V