LTM4619IV#PBF Linear Technology, LTM4619IV#PBF Datasheet - Page 12
LTM4619IV#PBF
Manufacturer Part Number
LTM4619IV#PBF
Description
IC SWIT REG BUCK 4A ADJ 144LGA
Manufacturer
Linear Technology
Series
µModuler
Type
Point of Load (POL) Non-Isolatedr
Specifications of LTM4619IV#PBF
Design Resources
LTM4619 Spice Model
Output
0.8 ~ 5 V
Number Of Outputs
2
Power (watts)
30W
Mounting Type
Surface Mount
Voltage - Input
4.5 ~ 26.5 V
Package / Case
144-LGA
1st Output
0.8 ~ 5 VDC @ 4A
2nd Output
0.8 ~ 5 VDC @ 4A
Size / Dimension
0.59" L x 0.59" W x 0.11" H (15mm x 15mm x 2.8mm)
Power (watts) - Rated
30W
Operating Temperature
-40°C ~ 125°C
Dc To Dc Converter Type
Step Down
Pin Count
144
Input Voltage
26.5V
Output Voltage
0.8 to 5V
Switching Freq
860KHz
Output Current
4A
Package Type
LGA
Output Type
Adjustable
Switching Regulator
Yes
Load Regulation
0.8%
Line Regulation
0.3%
Mounting
Surface Mount
Input Voltage (min)
4.5V
Operating Temperature Classification
Automotive
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
3rd Output
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
applicaTions inForMaTion
LTM4619
12
Figure 5. Normalized Input RMS Ripple Current vs Duty Factor for One to Six Phases
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
Figure 6. Normalized Output Ripple Current vs Duty Cycle, Dlr = V
0
0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9
0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9
1-PHASE
2-PHASE
3-PHASE
4-PHASE
6-PHASE
DUTY FACTOR (V
DUTY CYCLE (V
OUT
OUT
/V
/V
IN
IN
)
)
1-PHASE
2-PHASE
3-PHASE
4-PHASE
6-PHASE
OUT
4619 F05
4619 F06
T/L
4619fa