01-Jun-2002 Rev. A

Page

7of 7

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Any changing of specification will not be informed individual

Elektronische Bauelemente

SSC2139

1.55A CMOS

Low Dropout Voltage Regulator

External Resistor Divider Table

1

2

5

10

20

50

1

2

5

10

20

50

1.30

21.41 42.83 107.07 214.14 428.28 1070.7

3.20

0.63

1.27

3.17

6.34

12.69 31.72

1.35

11.50 23.00 57.50 115.00 230.00 575.00

3.25

0.62

1.24

3.09

6.19

12.37 30.93

1.40

7.86

15.72 39.30 78.61 157.22 393.04

3.30

0.60

1.21

3.02

6.03

12.07 30.17

1.45

5.97

11.94 29.86 59.71 119.42 298.56

3.35

0.59

1.18

2.95

5.89

11.78 29.46

1.50

4.81

9.63

24.07 48.14 96.28 240.70

3.40

0.58

1.15

2.88

5.76

11.51 28.78

1.55

4.03

8.06

20.16 40.32 80.65 201.62

3.45

0.56

1.13

2.81

5.63

11.25 28.13

1.60

3.47

6.94

17.35 34.69 68.39 173.46

3.50

0.55

1.10

2.75

5.50

11.00 27.50

1.65

3.04

6.09

15.22 30.44 60.88 152.21

3.55

0.54

1.08

2.69

5.38

10.76 26.91

1.70

2.71

5.42

13.56 27.12 54.24 135.59

3.60

0.53

1.05

2.63

5.27

10.53 26.34

1.75

2.44

4.89

12.22 24.45 48.90 122.24

3.65

0.52

1.03

2.58

5.16

10.32 25.79

1.80

2.23

4.45

11.13 22.26 44.52 111.29

3.70

0.51

1.01

2.53

5.05

10.11 25.26

1.85

2.04

4.09

10.21 20.43 40.86 102.14

3.75

0.50

0.99

2.48

4.95

9.90

24.76

1.90

1.89

3.78

9.44

18.88 37.75 94.38

3.80

0.49

0.97

2.43

4.86

9.71

24.28

1.95

1.75

3.51

8.77

17.54 35.08 87.71

3.85

0.48

0.95

2.38

4.76

9.52

23.81

2.00

1.64

3.28

8.19

16.39 32.77 81.93

3.90

0.47

0.93

2.34

4.67

9.35

23.36

2.05

1.54

3.07

7.69

15.37 30.74 76.86

3.95

0.46

0.92

2.29

4.59

9.17

22.93

2.10

1.45

2.90

7.24

14.48 28.95 72.38

4.00

0.45

0.90

2.25

4.50

9.01

22.52

2.15

1.37

2.74

6.84

13.68 27.36 68.39

4.05

0.44

0.88

2.21

4.42

8.85

22.12

2.20

1.30

2.59

6.48

12.96 25.93 64.82

4.10

0.43

0.87

2.17

4.35

8.69

21.73

2.25

1.23

2.46

6.16

12.32 24.65 61.61

4.15

0.43

0.85

2.14

4.27

8.54

21.35

2.30

1.17

2.35

5.87

11.74 23.48 58.70

4.20

0.42

0.84

2.10

4.20

8.40

20.99

2.35

1.12

2.24

5.60

11.21 22.42 56.05

4.25

0.41

0.83

2.06

4.13

8.26

20.64

2.40

1.07

2.15

5.36

10.73 21.45 53.63

4.30

0.41

0.81

2.03

4.06

8.12

20.31

2.45

1.03

2.06

5.14

10.28 20.56 51.41

4.35

0.40

0.80

2.00

4.00

7.99

19.98

2.50

0.99

1.97

4.94

9.87

19.75 49.36

4.40

0.39

0.79

1.97

3.93

7.87

19.66

2.55

0.95

1.90

4.75

9.50

18.99 47.48

4.45

0.39

0.77

1.94

3.87

7.74

19.36

2.60

0.91

1.83

4.57

9.15

18.29 45.73

4.50

0.38

0.76

1.91

3.81

7.62

19.06

2.65

0.88

1.76

4.41

8.82

17.64 44.11

4.55

0.38

0.75

1.88

3.75

7.51

18.77

2.70

0.85

1.70

4.26

8.52

17.04 42.59

4.60

0.37

0.74

1.85

3.70

7.40

18.49

2.75

0.82

1.65

4.12

8.24

16.47 41.18

4.65

0.36

0.73

1.82

3.64

7.29

18.22

2.80

0.80

1.59

3.99

7.97

15.94 39.86

4.70

0.36

0.72

1.80

3.59

7.18

17.96

2.85

0.77

1.54

3.86

7.72

15.45 38.62

4.75

0.35

0.71

1.77

3.54

7.08

17.70

2.90

0.75

1.50

3.75

7.49

14.98 37.45

4.80

0.35

0.70

1.75

3.49

6.98

17.45

2.95

0.73

1.45

3.64

7.27

14.54 36.36

4.85

0.34

0.69

1.72

3.44

6.88

17.21

3.00

0.71

1.41

3.53

7.06

14.13 35.32

4.90

0.34

0.68

1.70

3.40

6.79

16.98

3.05

0.69

1.37

3.43

6.87

13.74 34.35

4.95

0.33

0.67

1.67

3.35

6.70

16.75

3.10

0.67

1.34

3.34

6.68

13.37 33.42

5.00

0.33

0.66

1.65

3.30

6.61

16.52

3.15

0.65

1.30

3.25

6.51

13.02 32.55

Note: Small load (greater than 2mA) is necessary as R1 or R2 is larger than 50k . Otherwise, output voltage probably can not be pulled

down to 0V on disable mode.

Ω

Ω

Ω

Ω

Ω

Ω

Ω