TL499A

www.ti.com

SLVS029H – JANUARY 1984 – REVISED NOVEMBER 2015

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

RCL = 300 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

30

30

35

45

50

65

85

100

Circuit of Figure 1, except:

4.5

30

35

40

45

55

70

95

100(1)

RCL = 300 Ω

CF = 330 μF

3

45

50(1)

55(1)

70(1)

90(1)

CP = 0.1 μF

2.9

45(1)

50(1)

60(1)

75(1)

95(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 4. Maximum Output Current vs Input and Output Voltages for Step-Up Switching Regulator With

RCL = 510 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

30

50

25

25

40

75

20

40

55

90

15

15

20

55

70

100

12

10

15

25

35

65

80

100

10

10

20

25

30

40

70

85

9

10

10

10

15

20

25

35

45

75

100

6

15

20

20

25

30

35

50

60

5

20

20

35

30

35

45

55

70

Circuit of Figure 1, except:

4.5

25

25

30

35

40

50

65

90(1)

RCL = 510 Ω

CF = 330 μF

3

35

35(1)

40(1)

50(1)

75(1)

CP = 0.1 μF

2.9

35(1)

35(1)

40(1)

55(1)

80(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 5. Maximum Output Current vs Input and Output Voltages for Step-Up Switching Regulator With

RCL = 1 kΩ

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

35

25

35

50

20

35

60

15

10

30

45

65

12

20

40

45

85

10

15

25

40

55

9

10

10

15

25

30

45

60

6

10

10

10

15

20

20

30

35

5

10

10

15

20

20

25

35

40

Circuit of Figure 1, except:

4.5

15

15

15

20

25

30

40

45(1)

RCL = 1 kΩ

CF = 330 μF

3

20

25(1)

25(1)

30(1)

35(1)

CP = 0.1 μF

2.9

20(1)

25(1)

25(1)

30(1)

45(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).

Copyright © 1984–2015, Texas Instruments Incorporated

Submit Documentation Feedback

9

Product Folder Links: TL499A