LTM4608EV#PBF Linear Technology, LTM4608EV#PBF Datasheet - Page 5
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LTM4608EV#PBF
Manufacturer Part Number
LTM4608EV#PBF
Description
IC DC/DC UMODULE 8A 68-LGA
Manufacturer
Linear Technology
Series
µModuler
Type
Point of Load (POL) Non-Isolatedr
Datasheet
1.LTM4608IVPBF.pdf
(26 pages)
Specifications of LTM4608EV#PBF
Design Resources
LTM4608 Spice Model
Output
0.6 ~ 5 V
Number Of Outputs
1
Power (watts)
40W
Mounting Type
Surface Mount
Voltage - Input
2.7 ~ 5.5 V
Package / Case
68-LGA
1st Output
0.6 ~ 5 VDC @ 8A
Size / Dimension
0.59" L x 0.35" W x 0.11" H (15mm x 9mm x 2.8mm)
Power (watts) - Rated
40W
Operating Temperature
-40°C ~ 85°C
Efficiency
95%
Dc To Dc Converter Type
Step Down
Pin Count
68
Input Voltage
5.5V
Output Voltage
0.6 to 5V
Switching Freq
1.7MHz
Output Current
8A
Package Type
LGA
Output Type
Adjustable
Switching Regulator
Yes
Load Regulation
0.75%
Line Regulation
0.2%/V
Mounting
Surface Mount
Input Voltage (min)
2.375V
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
3rd Output
-
2nd Output
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL PERFORMANCE CHARACTERISTICS
100
100
1.6
1.4
1.2
0.8
0.6
0.4
0.2
90
80
70
60
50
40
95
90
85
80
75
70
1
0
2.5
0
0
Efficiency vs Load Current
Burst Mode Efficiency with
5V Input
Supply Current vs V
CONTINUOUS MODE
0.1
0.2
3
V
2
0.3
O
V
INPUT VOLTAGE (V)
LOAD CURRENT (A)
O
= 1.2V PULSE-SKIPPING MODE
3.5
LOAD CURRENT
0.4
= 1.2V BURST MODE
5V
5V
5V
5V
5V
IN
IN
IN
IN
IN
0.5
1.2V
1.5V
1.8V
2.5V
3.3V
4
4
0.6
OUT
OUT
OUT
OUT
OUT
IN
0.7
4.5
0.8
V
V
V
6
OUT
OUT
OUT
0.9
5
= 1.5V
= 2.5V
= 3.3V
1.0
4608 G01
4608 G04
4608 G07
1.1
5.5
8
20mV/DIV
1A/DIV
100
3.5
3.0
2.0
1.5
1.0
4.0
2.5
0.5
95
90
85
80
75
70
0
2
0
V
Efficiency vs Load Current
CONTINUOUS MODE
Load Transient Response
V
V
2A/µs STEP
C
C1 = 100pF , C3 = 22pF FROM FIGURE 18
IN
IN
OUT
OUT
to V
= 5V
= 3.3V
= 100µF X5R
3.3V
3.3V
3.3V
3.3V
I
V
V
OUT
OUT
OUT
OUT
3
2
IN
IN
IN
IN
= 8A
= 1.2V
= 1.5V
1.2V
1.5V
1.8V
2.5V
LOAD CURRENT
Step-Down Ratio
OUT
OUT
OUT
OUT
V
20µs/DIV
IN
4
4
(V)
V
V
V
OUT
OUT
OUT
5
6
= 1.8V
= 2.5V
= 3.3V
4608 G02
4608 G05
4608 G08
6
8
20mV/DIV
100
2A/DIV
4.0
3.5
3.0
2.5
2.0
1.5
1.0
95
90
85
80
75
70
0.5
0
2
0
Efficiency vs Load Current
V
CONTINUOUS MODE
IN
Load Transient Response
V
V
2.5A/µs STEP
C
C1 = 120pF , C3 = 47pF FROM FIGURE 18
IN
OUT
OUT
to V
1
= 5V
= 2.5V
= 100µF X5R
I
V
V
OUT
OUT
OUT
OUT
3
2
LOAD CURRENT (A)
= 6A
= 1.2V
= 1.5V
Step-Down Ratio
2.7V
2.7V
2.7V
3
V
IN
IN
IN
LTM4608
IN
20µs/DIV
4
1.0V
1.5V
1.8V
(V)
4
OUT
OUT
OUT
V
V
V
OUT
OUT
OUT
5
5
= 1.8V
= 2.5V
= 3.3V
6
4608 G03
4608 G06
4608fc
5
4608 G09
7
6