Техническая Спецификация для Linear Technology LTM4613EV Demo Board: Ultralow EMI, 36V, 8A Step-down µModule Regulator DC1743A DC1743A
Модели
DC1743A
LTM4613
5
4613f
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs Load Current with
3.3V
OUT
(FCB = 0)
Efficiency vs Load Current with
5V
OUT
(FCB = 0)
Efficiency vs Load Current with
12V
OUT
(FCB = 0)
Efficiency vs Load Current with
15V
OUT
(FCB = 0)
Transient Response from 12V
IN
to 3.3V
OUT
Transient Response from 12V
IN
to 5V
OUT
Transient Response from 24V
IN
to 12V
OUT
Start-Up with 24V
IN
to 12V
OUT
at I
OUT
= 0A
Start-Up with 24V
IN
to 12V
OUT
at
I
OUT
= 8A
(Refer to Figure 18)
LOAD CURRENT (A)
0
EFFICIENCY (%)
80
90
8
4613 G01
70
60
2
4
6
1
3
5
7
100
75
85
65
95
5V
IN
, 3.3V
OUT
12V
IN
, 3.3V
OUT
24V
IN
, 3.3V
OUT
36V
IN
, 3.3V
OUT
LOAD CURRENT (A)
0
EFFICIENCY (%)
80
90
8
4613 G02
70
60
2
4
6
1
3
5
7
100
75
85
65
95
12V
IN
, 5V
OUT
24V
IN
, 5V
OUT
36V
IN
, 5V
OUT
LOAD CURRENT (A)
0
EFFICIENCY (%)
80
90
8
4613 G03
70
60
2
4
6
1
3
5
7
100
75
85
65
95
20V
IN
, 12V
OUT
24V
IN
, 12V
OUT
28V
IN
, 12V
OUT
36V
IN
, 12V
OUT
LOAD CURRENT (A)
0
EFFICIENCY (%)
80
90
8
4613 G04
70
60
2
4
6
1
3
5
7
100
75
85
65
95
24V
IN
, 15V
OUT
28V
IN
, 15V
OUT
32V
IN
, 15V
OUT
36V
IN
, 15V
OUT
I
OUT
5A/DIV
V
OUT
100mV/DIV
AC
100µs/DIV
LOAD STEP: 0A TO 4A
C
OUT
= 1
× 47µF POSCAP
1
× 10µF CERAMIC CAPACITOR AND
3
× 47µF CERAMIC CAPACITORS
4613 G05
I
OUT
5A/DIV
V
OUT
100mV/DIV
AC
100µs/DIV
LOAD STEP: 0A TO 4A
C
OUT
= 1
× 47µF POSCAP
1
× 10µF CERAMIC CAPACITOR AND
3
× 47µF CERAMIC CAPACITORS
4613 G06
I
OUT
5A/DIV
V
OUT
200mV/DIV
AC
100µs/DIV
LOAD STEP: 0A TO 4A
C
OUT
= 1
× 47µF POSCAP
1
× 10µF CERAMIC CAPACITOR AND
3
× 47µF CERAMIC CAPACITORS
4613 G07
I
IN
200mA/DIV
V
OUT
5V/DIV
10ms/DIV
SOFT-START CAPACITOR: 0.1µF
C
IN
= 2
× 10µF CERAMIC CAPACITORS AND
1
× 100µF OS-CON CAPACITOR
4613 G08
I
IN
1A/DIV
V
OUT
5V/DIV
10ms/DIV
SOFT-START CAPACITOR: 0.1µF
C
IN
= 2
× 10µF CERAMIC CAPACITORS AND
1
× 100µF OS-CON CAPACITOR
4613 G09