LTM4609IV#PBF Linear Technology, LTM4609IV#PBF Datasheet - Page 5

• Manufacturer Part Number: LTM4609IV#PBF
• Description: IC BUCK/BOOST SYNC ADJ 4A 141LGA
• Manufacturer: Linear Technology
• Series: µModuler
• Type: Point of Load (POL) Non-Isolatedr

Specifications of LTM4609IV#PBF

• Design Resources: LTM4609 Spice Model
• Output: 0.8 ~ 34 V
• Number Of Outputs: 1
• Power (watts): 136W
• Mounting Type: Surface Mount
• Voltage - Input: 4.5 ~ 36 V
• Package / Case: 141-LGA
• 1st Output: 0.8 ~ 34 VDC @ 4A
• Size / Dimension: 0.59" L x 0.59" W x 0.11" H (15mm x 15mm x 2.8mm)
• Power (watts) - Rated: 136W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 98%
• Dc To Dc Converter Type: Non-Inverting/Inverting/Step Up/Step Down
• Pin Count: 141
• Input Voltage: 36V
• Output Voltage: 0.8 to 34V
• Switching Freq: 200 TO 400KHz
• Output Current: 4A
• Package Type: LGA
• Output Type: Adjustable
• Switching Regulator: Yes
• Load Regulation: -0.50%
• Line Regulation: 0.02%/V
• Mounting: Surface Mount
• Input Voltage (min): 4.5V
• 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
100
90
80
70
60
50
40
30
20
10
95
90
85
80
70
75
95
90
85
80
75
70
0
0.01
0
Effi ciency vs Load Current
6V
Effi ciency vs Load Current
3.3μH Inductor
0
Effi ciency vs Load Current
3.3μH Inductor
IN
1
0.5
to 12V
2
LOAD CURRENT (A)
LOAD CURRENT (A)
LOAD CURRENT (A)
0.1
3
1
OUT
4
1.5
5
6
12V
24V
32V
5V
5V
5V
1
2
7
IN
IN
IN
IN
IN
IN
to 16V
to 24V
to 30V
TO 5V
TO 5V
TO 5V
8
2.5
BURST
DCM
CCM
4609 G01
4609 G07
OUT
OUT
OUT
4609 G04
OUT
OUT
OUT
9
10
10
3
200mV/DIV
2A/DIV
V
I
100
100
OUT
OUT
96
90
90
80
70
60
50
40
30
20
10
99
98
97
95
94
93
92
91
0
0.01
0
Effi ciency vs Load Current
12V
Effi ciency vs Load Current
5.6μH Inductor
Transient Response from
6V
LOAD STEP: 0A TO 3A AT CCM
OUTPUT CAPS: 4x 22μF CERAMIC CAPS AND
2x 180μF ELECTROLYTIC CAPS
2x 15mΩ SENSING RESISTORS
IN
IN
1
to 12V
to 12V
2
LOAD CURRENT (A)
LOAD CURRENT (A)
0.1
OUT
3
OUT
200μs/DIV
4
5
28V
32V
36V
1
IN
IN
IN
6
to 20V
to 20V
to 20V
BURST
DCM
CCM
7
(Refer to Figure 18)
4609 G05
4609 G02
4609 G08
OUT
OUT
OUT
10
8
200mV/DIV
2A/DIV
V
I
100
OUT
OUT
100
90
80
70
60
50
40
30
20
10
96
93
99
98
97
95
94
0
0.01
Effi ciency vs Load Current
32V
Effi ciency vs Load Current
8μH Inductor
0
Transient Response from
12V
LOAD STEP: 0A TO 3A AT CCM
OUTPUT CAPS: 4x 22μF CERAMIC CAPS AND
2x 180μF ELECTROLYTIC CAPS
2x 15mΩ SENSING RESISTORS
IN
IN
1
to 12V
to 12V
0.1
LOAD CURRENT (A)
LOAD CURRENT (A)
2
OUT
OUT
200μs/DIV
LTM4609
1
3
30V
32V
36V
4
IN
IN
IN
SKIP CYCLE
DCM
CCM
10
to 30V
to 30V
to 30V
5
4609 G03
4609 G09
4609 G06
OUT
OUT
OUT
4609fb
5
100
6