LTM4645

24

4645f

For more information www.linear.com/LTM4645

applicaTions inForMaTion

Table 5. Output Voltage Response vs Component Matrix (Refer to Figure 23) 0A to 7A Load Step Typical Measured Values

PART NUMBER

VALUE

PART NUMBER

Bulk

Panasonic SP-CAP

470µF 2.5V

EEFSX0E471E4

Panasonic POSCAP 470µF 2.5V

2R5TPD470M5

Panasonic POSCAP 470µF 6.3V

6TPD470M5

Ceramic

Taiyo Yuden

22µF, 25V, 1206, X7S C3216X7S0J226M

Murata

100µF, 6.3V, 1206, X5R GRM31CR60J107M

Murata

22µF, 25V,1206, X5R

GRM31CR61E226KE15L TDK

100µF, 6.3V, 1206, X5R C3216X5R0G107M

Murata

220µF, 4V, 1206, X5R

GRM31CR60G227M

Taiyo Yuden

220µF, 2.5V, 1206, X5R PMK316DBJ227MLHT

Ceramic Cap Only

(V)

(V)

(CERAMIC)

(CERAMIC)

(BULK)

(pF)

DROOP

(mV)

P-P

DEVIATION

(mV)

RECOVERY

TIME

(µs)

LOAD

STEP

(A)

SLEW

RATE

(A/µs)

(kΩ)

FREQ

(kHz)

5, 12

0.9

22µF

× 3

100µF

× 6

N/A

47pF

0

109

130

6

10

121

500

5, 12

1

22µF

× 3

100µF

× 6

N/A

47µF

0

102

130

6

10

90.9

600

5, 12

1.2

22µF

× 3

100µF

× 6

N/A

47µF

0

97

140

6

10

60.4

700

5, 12

1.5

22µF

× 3

100µF

× 6

N/A

47µF

0

100

140

6

10

40.2

800

5, 12

1.8

22µF

× 3

100µF

× 6

N/A

47µF

0

107

150

6

10

30.1

900

Bulk and Ceramic Cap

(V)

(V)

(CERAMIC)

(CERAMIC)

(BULK)

(pF)

DROOP

(mV)

P-P

DEVIATION

(mV)

RECOVERY

TIME

(µs)

LOAD

STEP

(A)

SLEW

RATE

(A/µs)

(kΩ)

FREQ

(kHz)

5, 12

0.9

22µF

× 3

47µF

× 2

470µF

N/A

0

109

30

6

10

121

500

5, 12

1

22µF

× 3

47µF

× 2

470µF

N/A

0

107

40

6

10

90.9

600

5, 12

1.2

22µF

× 3

47µF

× 2

470µF

N/A

0

122

40

6

10

60.4

700

5, 12

1.5

22µF

× 3

47µF

× 2

470µF

N/A

0

131

50

6

10

40.2

800

5, 12

1.8

22µF

× 3

47µF

× 2

470µF

N/A

0

142

50

6

10

30.1

900