LTM4620AMPY 查看數據表（PDF） - Linear Technology

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LTM4620AMPY

Dual 13A or Single 26A DC/DC µModule Regulator

Linear Technology 

LTM4620A

APPLICATIONS INFORMATION

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

VENDORS

VALUE

PART NUMBER

ESR

TDK, COUT1 Ceramic

100µF 6.3V

C4532X5R0J107MZ

~1mΩ

Murata, COUT1 Ceramic

100µF 6.3V

GRM32ER60J107M

~1mΩ

AVX, COUT1 Ceramic

100µF 6.3V

18126D107MAT

~1mΩ

Sanyo POSCAP, COUT2 Bulk

470µF 2R5

2R5TPD470M5

9mΩ

Sanyo POSCAP, COUT2 Bulk

470µF 6.3V

6TPD470M

9mΩ

Sanyo, CIN Bulk

56µF 25V

25SVP56M

Sanyo, POSCAP COUT2 Bulk

100µF 6.3V

67PE100MI

15mΩ to 18mΩ

Sanyo, POSCAP COUT2 Bulk

220µF 2.5V

2R5TPE220M9

Sanyo, POSCAP COUT2 Bulk

220µF 6V

6TPF220ML

VOUT

CIN

CIN

COUT1

COUT2

(V) (CERAMIC) (BULK)** (CERAMIC) (BULK)

P-P

DEVIATION RECOVERY LOAD

CFF CBOT CCOMP VIN DROOP AT 6A LOAD TIME

(pF) (pF) (pF) (V) (mV) STEP (mV) (µs)

STEP RFB

(A/µs) (kΩ) FREQ

1 22µF × 3 56µF 100µF 470µF × 2 None None None 5

24

46

30

6 90.9 400

1 22µF × 3 56µF 100µF 470µF × 2 150 None None 12 24

46

30

6 90.9 400

1 22µF × 3 56µF 100µF × 3 470µF 100 None None 12 33

63

23

6 90.9 400

1.2 22µF × 3 56µF 100µF × 3 470µF 100 None None 12 35

70

23

6 60.4 500

1.2 22µF × 3 56µF 100µF 470µF × 2 150

5

24

46

25

6 60.4 500

1.2 22µF × 3 56µF 100µF 470µF × 2 150

12 24

46

25

6 60.4 500

1.5 22µF × 3 56µF 100µF 470µF × 2 220 None

5

26

52

40

6 40.2 550

1.5 22µF × 3 56µF 100µF 470µF × 2 220

12 26

52

40

6 40.2 550

1.5 22µF × 3 56µF 100µF 220µF 47

12 64

120

20

6 40.2 500

1.8 22µF × 3 56µF 100µF 220µF 33

12 61

120

20

6 30.2 600

1.8 22µF × 3 56µF 100µF 220µF 33

5

61

120

20

6 30.2 600

1.8 22µF × 3 56µF 100µF × 3 None 100

12 80

160

18

6 30.2 600

2.5 22µF × 3 56µF 100µF × 3 None 150 None 47 12 60

120

20

6 19.1 650

2.5 22µF × 3 56µF 100µF × 3 None 150 None 47 12 60

120

20

6 19.1 650

3.3 22µF × 3 56µF 100µF 100µF 33

12 118

240

30

6 13.3 700

3.3 22µF × 3 56µF 100µF × 2

100

12 120

240

20

6 13.3 700

5 22µF × 3 56µF 100µF

47

12 188

382

25

6 8.25 750

5 22µF × 3 56µF

100µF

12 180

360

20

6 8.25 750

**Bulk capacitance is optional if VIN has very low input impedance.

For more information www.linear.com/LTM4620A

4620afc

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