Datasheet

LTM4628
26
4628fe
For more information www.linear.com/LTM4628
Table 4 Output Voltage Response vs Component Matrix (Refer to Figure 28) 0A to 4A Load Step Typical Measured Values
C
OUT1
AND C
OUT2
CERAMIC VENDORS VALUE PART NUMBER
C
OUT1
AND C
OUT2
BULK VENDORS VALUE PART NUMBER
C
IN
(BULK)
PART
NUMBER VENDORS
AVX 10µF 35V 1812DD106KAT Sanyo POSCAP 470µF 2R5 2R5TPD470M5 47µF 35V 35SVPD47M Sanyo Oscon
Murata 22µF 16V GRM43ER61C226KE01 Sanyo POSCAP 470µF 6.3V 6TPD470M
TDK 100µF 6.3V C4532X5R0J107MZ
Murata 100µF 6.3V GRM32ER60J107M
AVX 100µF 6.3V 18126D107MAT
V
OUT
(V)
C
IN
(CERAMIC)
C
IN
(BULK)*
C
OUT1
(CERAMIC)
C
OUT2
(BULK)
C
FF
(pF)
V
IN
(V)
DROOP
(mV)
P-P
Deviation
(mV)
RECOVER
Y
TIME (µs)
LOAD
STEP
(A/µs)
R
FB
(kΩ)
Freq.
(kHz)
1
22µF × 3 47µF 100µF 470µF 5,12 60 120 30 4 90.9 400
1 22µF × 3 47µF 100µF × 4 47 5,12 50 100 20 4 90.9 400
1.2 22µF × 3 47µF 100µF 470µF 5,12 60 120 30 4 60.4 500
1.2 22µF × 3 47µF 100µF × 4 47 5,12 55 110 20 4 60.4 500
1.5 22µF × 3 47µF 100µF 470µF 5,12 60 120 30 4 40.2 500
1.5 22µF × 3 47µF 100µF × 4 47 5,12 66 120 20 4 40.2 500
1.8 22µF × 3 47µF 100µF 470µF 5,12 60 120 30 4 30.1 500
1.8 22µF × 3 47µF 100µF × 4 47 5,12 65 130 20 4 30.1 500
2.5 22µF × 3 47µF 100µF × 4 47 5,12 70 140 30 4 19.1 500
2.5 22µF × 3 47µF 100µF 470µF 5,12 70 140 30 4 19.1 500
3.3 22µF × 3 47µF 100µF 470µF 5,12 80 160 30 4 13.3 700
3.3 22µF × 3 47µF 100µF 47 5,12 100 200 30 4 13.3 700
5 22µF × 3 47µF 100µF 220µF 47 12 125 200 30 4 8.25 750
* Bulk capacitance is optional if V
IN
has very low input impedance.
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