LTM4603 LINER [Linear Technology], LTM4603 Datasheet - Page 5

• Manufacturer Part Number: LTM4603
• Description: 36VIN, 34VOUT High Efficiency Buck-Boost DC/DC
• Manufacturer: LINER [Linear Technology]

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
Efficiency vs Load Current
6V
Efficiency vs Load Current
3.3µH Inductor
0
Efficiency 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
Efficiency vs Load Current
12V
Efficiency 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 15m 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
Efficiency vs Load Current
32V
Efficiency 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 15m 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
4609fc
5
100
6