LTM4686BEVPBF datasheet(68/130 Pages) AD

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Table 20. LTM4686B Channel Output Voltage Response vs Component Matrix. 7A Load-Stepping at 7A/µs. Typical Measured Values

COUTH VENDORS PART NUMBER

COUTL VENDORS

PART NUMBER

AVX

12106D107MAT2A (100μF, 6.3V, 1210 Case Size)

Panasonic POSCAP

6TPF330M9L (330μF, 6.3V, 9mΩ ESR, D3L Case Size)

Murata

GRM32ER60J107ME20L (100μF, 6.3V, 1210 Case Size) Panasonic POSCAP

6TPD470M (470μF, 6.3V, 10mΩ ESR, D4D Case Size)

Taiyo Yuden

JMK325BJ107MM-T (100μF, 6.3V, 1210 Case Size) Panasonic POSCAP

2R5TPE470M9** (470μF, 2.5V, 9mΩ ESR, D2E Case Size)

TDK

C3225X5R0J107MT (100μF, 6.3V, 1210 Case Size) Panasonic POSCAP

6TPF470MAH (470μF, 6.3V, 10mΩ ESR, D4 Case Size)

VOUTn

(V)

VINn

(V)

REF.

CIRCUIT*

COUTHn

CERAMIC

OUTPUT

CAP

(μF)

COUTLn

BULK

OUTPUT

CAP

(μF)

CONNECT

COMPna TO

COMPnb?

(INTERNAL LOOP

COMP)

RTHn

(EXT

LOOP

COMP)

(kΩ)

CTHn

(EXT

LOOP

COMP)

(nF)

fSW

(kHz)

FSWPHCFG

PIN-

STRAP,

RESISTOR

TO SGND

(TABLE 4)

(kΩ)

VOUTn CFG

PIN-

STRAP

RESISTOR

TO SGND

(TABLE 2)

(kΩ)

VTRIMnCFG

PIN-

STRAP,

RESISTOR

TO SGND

(TABLE 3)

(kΩ)

TRANS-

IENT

DROOP

(0A

TO 7A)

(mV)

PK-PK

DEVI-

ATION

(0A

TO 7A

TO 0A)

(mV)

RECOV-

ERY

TIME

(µs)

0.9

Test Ckt. 1

100 ×4

None

Yes, cf. Figure 62

N/A

650

12.7

1.65

None

0.9

Test Ckt. 1

100 ×3

470

Yes, cf. Figure 62

N/A

650

12.7

1.65

None

Test Ckt. 1

100 ×4

None

Yes, cf. Figure 62

N/A

750

10.7

2.43

Test Ckt. 1

100 ×3

470

Yes, cf. Figure 62

N/A

750

10.7

2.43

1.2

Test Ckt. 1

100 ×4

None

Yes, cf. Figure 62

N/A

N/A 1000

None

3.24

1.2

Test Ckt. 1

100 ×3

470

Yes, cf. Figure 62

N/A

N/A 1000

None

3.24

1.5

Test Ckt. 1

100 ×4

None

Yes, cf. Figure 62

N/A

N/A 1000

None

4.22

None

1.5

Test Ckt. 1

100 ×3

470

Yes, cf. Figure 62

N/A

N/A 1000

None

4.22

None

1.8

Test Ckt. 1

100 ×4

None

Yes, cf. Figure 62

N/A

N/A 1000

None

6.34

1.8

Test Ckt. 1

100 ×3

470

Yes, cf. Figure 62

N/A

N/A 1000

None

6.34

2.5

Test Ckt. 1

100 ×4

None

Yes, cf. Figure 62

N/A

N/A 1000

None

10.7

None

2.5

Test Ckt. 1

100 ×3

470

Yes, cf. Figure 62

N/A

N/A 1000

None

10.7

None

3.3

Test Ckt. 1

100 ×4

None

Yes, cf. Figure 62

N/A

N/A 1000

None

22.6

None

170

3.3

Test Ckt. 1

100 ×3

470

Yes, cf. Figure 62

N/A

N/A 1000

None

22.6

None

135

*For all conditions: CINH input capacitance is 10µF × 2, per channel (VIN0, VIN1). CINL bulk input capacitance of 150µF is optional if VIN has very low input

impedance.

**2.5V-rated output capacitor is suitable for output voltages up to 1.8V.

LTM4686B

Rev. 0

For more information www.analog.com

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