LTM4710-1

17

Rev. 0

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APPLICATIONS INFORMATION

Table 5. 0.5V Output

DERATING CURVE

VIN (V)

POWER LOSS CURVE

AIRFLOW (LFM)

HEAT SINK

θJA (°C/W)

Figure 7, Figure 8

3.3, 5

Figure 5, Figure 6

0

None

11

Figure 7, Figure 8

3.3, 5

Figure 5, Figure 6

200

None

9

Figure 7, Figure 8

3.3, 5

Figure 5, Figure 6

400

None

10

Table 6. 0.8V Output

DERATING CURVE

VIN (V)

POWER LOSS CURVE

AIRFLOW (LFM)

HEAT SINK

θJA (°C/W)

Figure 9, Figure 10

3.3, 5

Figure 5, Figure 6

0

None

14

Figure 9, Figure 10

3.3, 5

Figure 5, Figure 6

200

None

10

Figure 9, Figure 10

3.3, 5

Figure 5, Figure 6

400

None

11

Table 7. 1.0V Output

DERATING CURVE

VIN (V)

POWER LOSS CURVE

AIRFLOW (LFM)

HEAT SINK

θJA (°C/W)

Figure 11, Figure 12

3.3, 5

Figure 5, Figure 6

0

None

12

Figure 11, Figure 12

3.3, 5

Figure 5, Figure 6

200

None

9

Figure 11, Figure 12

3.3, 5

Figure 5, Figure 6

400

None

9

Table 8. 1.2V Output

DERATING CURVE

VIN (V)

POWER LOSS CURVE

AIRFLOW (LFM)

HEAT SINK

θJA (°C/W)

Figure 13, Figure 14

3.3, 5

Figure 5, Figure 6

0

None

12

Figure 13, Figure 14

3.3, 5

Figure 5, Figure 6

200

None

9

Figure 13, Figure 14

3.3, 5

Figure 5, Figure 6

400

None

9

Table 9. 1.5V Output

DERATING CURVE

VIN (V)

POWER LOSS CURVE

AIRFLOW (LFM)

HEAT SINK

θJA (°C/W)

Figure 15

5

Figure 5, Figure 6

0

None

12

Figure 15

5

Figure 5, Figure 6

200

None

11

Figure 15

5

Figure 5, Figure 6

400

None

10

Table 10. Output Voltage Response vs Component Matrix, 6A to 8A Load Step Typical Measured Values, Freq = 1.5MHz

VIN

(V)

VOUT

(V)

CIN

CERAMIC

(μF)

COUT1,2,3,4

CERAMIC

(μF)

CFF

(pF)

PEAK-PEAK

DERIVATION

(mV)

LOAD

STEP

(A)

LOAD STEP

SLEW RATE

(A/μs)

RFB

(kΩ)

COMPENSATION

2.5

0.5

22 ×2 + 47

22 + 47 + 100

68

42.2

2

2

Open

Module Internal Compensation

3.3

0.5

22 ×2 + 47

22 + 47 + 100

68

44.9

2

2

Open

Module Internal Compensation

5

0.5

22 ×2 + 47

22 + 47 + 100

68

48.9

2

2

Open

Module Internal Compensation

5.5

0.5

22 ×2 + 47

22 + 47 + 100

68

49.5

2

2

Open

Module Internal Compensation

2.5

0.8

22 ×2 + 47

22 + 47 + 100

68

54.9

2

2

16.5

Module Internal Compensation

3.3

0.8

22 ×2 + 47

22 + 47 + 100

68

56.9

2

2

16.5

Module Internal Compensation

5

0.8

22 ×2 + 47

22 + 47 + 100

68

60.3

2

2

16.5

Module Internal Compensation

5.5

0.8

22 ×2 + 47

22 + 47 + 100

68

60.3

2

2

16.5

Module Internal Compensation

2.5

1

22 ×2 + 47

22 + 47 + 100

68

58.2

2

2

10

Module Internal Compensation

3.3

1

22 ×2 + 47

22 + 47 + 100

68

59.6

2

2

10

Module Internal Compensation