Datasheet
LTM4627
22
4627fc
For more information www.linear.com/LTM4627
APPLICATIONS INFORMATION
HEAT SINK MANUFACTURER PART NUMBER WEBSITE
AAVID Thermalloy 375424B00034G www.aavidthermalloy.com
Cool Innovations 4-050503P to 4-050508P www.coolinnovations.com
Table 4. Output Voltage Response vs Component Matrix (Refer to Figure 18) 0A to 7.5A Load Step
C
OUT1
AND C
OUT2
CERAMIC VENDOR VALUE PART NUMBER
C
OUT1
AND C
OUT2
BULK VENDOR VALUE PART NUMBER
C
IN
BULK VENDOR VALUE
PART NUMBER
TDK 22µF 6.3V C3216X7SOJ226M Sanyo POSCAP
1000µF 2.5V 2R5TPD1000M5 Sanyo 56µF 25V 25SVP56M
Murata 22µF 16V GRM31CR61C226KE15L Sanyo POSCAP
470µF 2.5V 2R5TPD470M5
TDK 100µF 6.3V C4532X5ROJ107MZ
Sanyo POSCAP
470µF 6.3V 6TPD470M
Murata 100µF 6.3V GRM32ER60J107M
Sanyo POSCAP
V
OUT
(V)
C
IN
(CERAMIC)
C
IN
(BULK)**
C
OUT1
(CERAMIC) AND
C
OUT2
(CER AND 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 ×
3
56µF
100µF × 2, 1000µF
68 150 5,12 50 100 30 7.5 90.9 400
1
22µF × 3
56µF
100µF × 2, 470µF × 2
82 150 5,12 50 100 20 7.5 90.9 400
1
22µF × 3
56µF
100µF × 4
82 33 5,12 52 108 18 7.5 90.9 400
1.2
22µF × 3
56µF
100µF × 2, 1000µF
82 150 5,12 40 80 20 7.5 60.4 400
1.2
22µF × 3
56µF 100µF, 470µF 82 150 5,12 60 120 20 7.5 60.4 400
1.2
22µF × 3
56µF
100µF × 2, 470µF × 2
82 150 5,12 40 80 25 7.5 60.4 400
1.2
22µF × 3
56µF
100µF × 4
82 33 5,12 50 114 20 7.5 60.4 400
1.5
22µF × 3
56µF
100µF × 2, 1000µF
82 150 5,12 60 120 23 7.5 40.2 400
1.5
22µF × 3
56µF 100µF, 470µF 82 47 5,12 67 130 20 7.5 40.2 400
1.5
22µF × 3
56µF
100µF × 2, 470µF × 2
82 150 5,12 60 120 25 7.5 40.2 400
1.5
22µF × 3
56µF
100µF × 3
82 33 5,12 65 130 20 7.5 40.2 400
1.8
22µF × 3
56µF
100µF × 2, 1000µF
68 150 5,12 64 130 25 7.5 30.1 400
1.8
22µF × 3
56µF 100µF, 470µF 82 150 5,12 76 135 22 7.5 30.1 400
1.8
22µF × 3
56µF
100µF × 2
82 none 5,12 66 132 20 7.5 30.1 400
2.5
22µF × 3
56µF
100µF × 2
82 none 5,12 88 164 30 7.5 19.1 500
2.5
22µF × 3
56µF 100µF, 470µF 82 150 5,12 100 200 25 7.5 19.1 500
3.3
22µF × 3
56µF
100µF × 2
82 none 5,12 100 200 30 7.5 13.3 600
3.3
22µF × 3
56µF 100µF, 470µF 82 150 5,12 100 200 30 7.5 13.3 600
5
22µF × 3
56µF
100µF × 2
68 none 12 125 250 20 7.5 8.25 700
5
22µF × 3
56µF 470µF 47 150 12 125 250 25 7.5 8.25 700
** Bulk capacitance is optional if V
IN
has very low input impedance.