Datasheet
Table Of Contents
- Features
- Applications
- Description
- Typical Application
- Absolute Maximum Ratings
- Pin Configuration
- Order Information
- Typical Performance Characteristics
- Pin Functions
- Simplified Block Diagram
- Decoupling Requirements
- Operation
- Applications Information
- Typical Applications
- Package Description
- Package Photo
- Related Parts
- Design Resources
LTM4620A
27
4620afb
For more information www.linear.com/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, C
OUT1
Ceramic 100µF 6.3V C4532X5R0J107MZ ~1mΩ
Murata, C
OUT1
Ceramic 100µF 6.3V GRM32ER60J107M ~1mΩ
AVX, C
OUT1
Ceramic 100µF 6.3V 18126D107MAT ~1mΩ
Sanyo POSCAP, C
OUT2
Bulk 470µF 2R5 2R5TPD470M5 9mΩ
Sanyo POSCAP, C
OUT2
Bulk 470µF 6.3V 6TPD470M 9mΩ
Sanyo, C
IN
Bulk 56µF 25V 25SVP56M
Sanyo, POSCAP C
OUT2
Bulk 100µF 6.3V 67PE100MI 15mΩ to 18mΩ
Sanyo, POSCAP C
OUT2
Bulk 220µF 2.5V 2R5TPE220M9
Sanyo, POSCAP C
OUT2
Bulk 220µF 6V 6TPF220ML
V
OUT
(V)
C
IN
(CERAMIC)
C
IN
(BULK)**
C
OUT1
(CERAMIC)
C
OUT2
(BULK)
C
FF
(pF)
C
BOT
(pF)
C
COMP
(pF)
V
IN
(V)
DROOP
(mV)
P-P
DEVIA
TION
AT 6A LOAD
STEP (mV)
RECOVERY
TIME
(µs)
LOAD
STEP
(A/µs)
R
FB
(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 V
IN
has very low input impedance.