LTM4608EV#PBF Linear Technology, LTM4608EV#PBF Datasheet - Page 5

• 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

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

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