Datasheet
LTM4637
21
4637fc
For more information www.linear.com/LTM4637
applicaTions inForMaTion
Table 5. Output Voltage Response vs Component Matrix (Refer to Figure 22) 0A to 10A Load Step
C
OUT1
AND
C
OUT2
CERAMIC
VENDOR VALUE PART NUMBER
C
OUT1
AND
C
OUT2
BULK
VENDOR VALUE PART NUMBER
C
IN
VENDOR VALUE PART NUMBER
TDK 100µF 6.3V C4532X5R0J107MZ Sanyo POSCAP 1000µF 2.5V 2R5TPD1000M5 Sanyo 56µF 25V 25SVP56M
Murata 100µF 6.3V GRM32ER60J107M Sanyo POSCAP 470µF 2.5V 2R5TPD470M5 TDK 22µF 16V C3216X651C226M
Sanyo POSCAP 470µF 6.3V 6TPD470M5 Murata 22µF 16V GRM31CR61C226KE15L
V
OUT
(V)
C
IN
(CERAMIC)
C
IN
(BULK)
†
C
OUT2
(CERAMIC)
AND C
OUT1
(BULK)
C
FF
(pF)
C
COMP
(pF)
V
IN
(V)
DROOP
(mV)
PEAK-TO-PEAK
DEVIATION
(mV)
RECOVERY
TIME (µs)
LOAD
STEP
(A/µs)
R
FB
(kΩ)
FREQ
(kHz)
1
22µF × 4
56µF
100µF × 2, 470µF × 3
330 150 5,12 65 123 30 10 90.6 250
1.2
22µF × 4
56µF
100µF × 2, 470µF × 3
330 150 5,12 65 123 30 10 60.4 250
1.5
22µF × 4
56µF
100µF × 2, 470µF × 3
330 150 5,12 65 120 50 10 40.2 350
1.8
22µF × 4
56µF
100µF × 2, 470µF × 3
330 150 5,12 65 120 60 10 30.1 350
2.5
22µF × 4
56µF
100µF × 2, 470µF × 3
330 150 5,12 65 130 70 10 19.1 450
3.3
22µF × 4
56µF
100µF × 2, 470µF × 3
330 150 5,12 75 150 75 10 13.3 600
5
22µF × 4
56µF
100µF × 2, 470µF × 3
330 150 7,12 100 195 80 10 8.25 600
1
22µF × 4
56µF
100µF × 2, 470µF × 3
330 None 5,12 50 100 30 10 90.6 250
1.2
22µF × 4
56µF
100µF × 2, 470µF × 3
330 None 5,12 50 100 30 10 60.4 250
1.5
22µF × 4
56µF
100µF × 2, 470µF × 3
330 None 5,12 50 100 50 10 40.2 350
1.8
22µF × 4
56µF
100µF × 2, 470µF × 3
330 None 5,12 65 110 60 10 30.1 350
2.5
22µF × 4
56µF
100µF × 2, 470µF × 3
330 None 5,12
65 120 70 10 19.1 450
3.3
22µF
× 4
56µF
100µF × 2, 470µF × 3
330 None 5,12 70 130 75 10 13.3 600
5
22µF × 4
56µF
100µF × 2, 470µF × 3
330 None 7,12 85 165 80 10 8.25 600
1
22µF × 4
56µF
100µF × 2, 470µF × 2
330 None 5,12 75 150 30 10 90.6 250
1.2
22µF × 4
56µF
100µF × 2, 470µF × 2
330 None 5,12 75 150 30 10 60.4 250
1.5
22µF × 4
56µF
100µF × 2, 470µF × 2
330 None 5,12 70 140 50 10 40.2 350
1.8
22µF × 4
56µF
100µF × 2, 470µF × 2
330 None 5,12 65 130 60 10 30.1 350
2.5
22µF × 4
56µF
100µF × 2, 470µF × 2
330 None 5,12 65 130 70 10 19.1 450
3.3
22µF × 4
56µF
100µF × 2, 470µF × 2
330 None 5,12 70 140 75 10 13.3 600
5
22µF × 4
56µF
100µF × 2, 470µF × 2
330 None 7,12 100 190 80 10 8.25 600
1
22µF × 4
56µF
100µF × 4, 470µF × 1
47 None 5,12 95 190 30 10 90.6 250
1.2
22µF × 4
56µF
100µF × 4, 470µF × 1
47 None 5,12 95 190 30 10 60.4 250
1.5
22µF × 4
56µF
100µF × 4, 470µF × 1
47 None 5,12 90 180 50 10 40.2 350
1.8
22µF × 4
56µF
100µF × 4, 470µF × 1
47 None 5,12 95 190 60 10 30.1 350
2.5
22µF × 4
56µF
100µF × 4, 470µF × 1
47 None 5,12 100 200 70 10 19.1 450
3.3
22µF × 4
56µF
100µF × 4, 470µF × 1
47 None 5,12 125 250 75 10 13.3 600
5
22µF
× 4
56µF
100µF × 4, 470µF × 1
47 None 7,12 155 310 80 10 8.25 600
1
22µF × 4
56µF
100µF × 5
47 None 5,12 100 200 35 10 90.6 250
1.2
22µF × 4
56µF
100µF × 5
47 None 5,12 100 200 35 10 60.4 250
1.5
22µF × 4
56µF
100µF × 5
47 None 5,12 100 200 35 10 40.2 350
1.8
22µF × 4
56µF
100µF × 5
47 None 5,12 112 225 35 10 30.1 350
2.5
22µF × 4
56µF
100µF × 5
47 None 5,12 125 250 40 10 19.1 450
3.3
22µF × 4
56µF
100µF × 5
47 None 5,12 170 340 40 10 13.3 600
5
22µF × 4
56µF
100µF × 5
47 None 7,12 225 450 60 10 8.25 600
†
Bulk capacitance is optional if V
IN
has very low input impedance.