TL499A

SLVS029H – JANUARY 1984 – REVISED NOVEMBER 2015

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Typical Application (continued)

Table 1. Maximum Output Current vs Input and Output Voltages for Step-Up Switching Regulator With

RCL = 150 Ω (continued)

SWITCHING REGULATOR INPUT VOLTAGE (SW REG IN2) (V)

OUTPUT

1.1

1.2

1.3

1.5

1.7

2

2.5

3

5

6

9

VOLTAGE (V)

OUTPUT CURRENT (mA)

5

35

40

45

55

70

85

100

100

Circuit of Figure 1, except:

4.5

35

45

50

60

75

95

100

100(1)

RCL = 150 Ω

CF = 330 μF

3

55

65(1)

75(1)

95(1)

100(1)

CP = 0.1 μF

2.9

60(1)

70(1)

75(1)

100(1)

100(1)

(1)

The difference between the output and input voltage for these combinations is greater than the minimum output-to-input differential-

voltage specification at 70°C (1.2 V), but less than the minimum at 85°C (1.9 V).

Table 2. Maximum Output Current vs Input and Output Voltages for Step-Up Switching Regulator With

RCL = 200 Ω

SWITCHING REGULATOR INPUT VOLTAGE (SW REG IN2) (V)

OUTPUT

1.1

1.2

1.3

1.5

1.7

2

2.5

3

5

6

9

VOLTAGE (V)

OUTPUT CURRENT (mA)

30

50

100

25

50

70

100

20

15

25

30

70

90

100

15

10

15

25

35

45

90

100

100

12

10

10

15

20

25

35

45

60

100

100

100

10

15

20

20

25

30

40

55

70

100

100

9

20

20

25

30

35

45

60

80

100

6

25

30

35

45

50

65

90

100

5

30

35

40

55

60

75

100

100

Circuit of Figure 1, except:

4.5

35

40

45

55

65

85

100

100(1)

RCL = 200 Ω

CF = 330 μF

3

50

55(1)

65(1)

80(1)

90(1)

CP = 0.1 μF

2.9

50(1)

60(1)

65(1)

85(1)

100(1)

(1)

The difference between the output and input voltage for these combinations is greater than the minimum output-to-input differential-

voltage specification at 70°C (1.2 V), but less than the minimum at 85°C (1.9 V).

Table 3. Maximum Output Current vs Input and Output Voltages for Step-Up Switching Regulator With

RCL = 300 Ω

SWITCHING REGULATOR INPUT VOLTAGE (SW REG IN2) (V)

OUTPUT

1.1

1.2

1.3

1.5

1.7

2

2.5

3

5

6

9

VOLTAGE (V)

OUTPUT CURRENT (mA)

30

40

70

25

40

55

100

20

10

15

20

55

70

100

15

10

10

20

30

35

75

95

100

12

10

10

10

15

20

25

35

45

95

100

100

10

15

15

15

20

25

30

45

55

100

100

9

15

15

20

25

30

35

50

60

100

100

6

25

25

30

35

45

55

70

90

8

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